Institute of Experimental Mineralogy
                 Russian Academy of Sciences
     -------------------------------------------------
           142432, Chernogolovka, Moscow district
             A.V. Chichagov  +7(496)52-22320

                            ***

          ***      W W W - X R A Y P O L       ***
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DATOLITE

7, t-datolite, f-datolite

CaBSiO(4)(OH)


Monoclinic  P 2(1)/a  Z = 4

P2(1)/a

29 .7 .11

Ref.Str.:

         Pavlov P.V., Belov N.V. (1959)

         * Kristallogr., 4, 303-314

         R: N.A.D.

                   Initial data from BDM-file 

   Lattice parameters (cub. angs.,degr.):

             a =   9.62     alpha =   90.0 
             b =   7.6      beta  =   90.0 
             c =   4.84     gamma =   90.0 

    Unit cell volume (cub. angs.) =   353.86

    Molar volume ( cub.cm/mol.) =    53.29

  Co-ordinates, thermal parameters, occupation for atomic positions:

NoP   x/a     y/b     z/c    B(j)   atom  / occupation

   1 0.339   0.108   0.99     0.0    Ca    = 1.00
   2 0.34    0.41    0.576    0.0    B     = 1.00
   3 0.086   0.262   0.471    0.0    Si    = 1.00
   4 0.04    0.395   0.242    0.0    O     = 1.00
   5 0.46    0.304   0.671    0.0    O     = 1.00
   6 0.21    0.327   0.676    0.0    O     = 1.00
   7 0.142   0.092   0.32     0.0    O     = 1.00
   8 0.336   0.415   0.258    0.0    OH    = 1.00


  Co-ordinates for all atomic positions :

   No       NoP      x/a        y/b       z/c 

     1       1     0.339      0.108      0.99  
     2       2     0.34       0.41       0.576 
     3       3     0.086      0.262      0.471 
     4       4     0.04       0.395      0.242 
     5       5     0.46       0.304      0.671 
     6       6     0.21       0.327      0.676 
     7       7     0.142      0.092      0.32  
     8       8     0.336      0.415      0.258 
     9       1     0.661      0.892      0.01  
    10       2     0.66       0.59       0.424 
    11       3     0.914      0.738      0.529 
    12       4     0.96       0.605      0.758 
    13       5     0.54       0.696      0.329 
    14       6     0.79       0.673      0.324 
    15       7     0.858      0.908      0.68  
    16       8     0.664      0.585      0.742 
    17       1     0.839      0.392      0.99  
    18       2     0.84       0.09       0.576 
    19       3     0.586      0.238      0.471 
    20       4     0.54       0.105      0.242 
    21       5     0.96       0.196      0.671 
    22       6     0.71       0.173      0.676 
    23       7     0.642      0.408      0.32  
    24       8     0.836      0.085      0.258 
    25       1     0.161      0.608      0.01  
    26       2     0.16       0.91       0.424 
    27       3     0.414      0.762      0.529 
    28       4     0.46       0.895      0.758 
    29       5     0.04       0.804      0.329 
    30       6     0.29       0.827      0.324 
    31       7     0.358      0.592      0.68  
    32       8     0.164      0.915      0.742 


X-ray density (g/cm cub.)   =      3.0 

MU (1/cm) =     171.738    Mass attenuation coefficient (cm**2/g) =     57.21 

 Selected interatomic distances (cation-anion,anion-anion):

 NoP    Atom              Rad.sph.      C.N.    Distance     NoP N.
                           (angs.)               (angs.)

    1    Ca                  2.928        8
                                                 2.4408       5
                                                 2.5729       6
                                                 2.4814       7
                                                 2.6697       8
                                                 2.2863       4
                                                 2.2883       4
                                                 2.7196       6
                                                 2.535        8
    2    B                   1.92         4
                                                 1.4809       5
                                                 1.4819       6
                                                 1.5401       8
                                                 1.4821       7
    3    Si                  2.148        4
                                                 1.564        4
                                                 1.6283       6
                                                 1.5791       7
                                                 1.6303       5
    4    O                   3.312       11
                                                 2.7118       6
                                                 3.232        6
                                                 2.5315       7
                                                 2.8526       8
                                                 3.0621       4
                                                 2.9372       4
                                                 3.2257       6
                                                 2.6816       5
                                                 3.243        5
                                                 3.0673       8
                                                 3.1368       5
    5    O                   3.312       10
                                                 2.4115       6
                                                 3.1947       8
                                                 2.4759       8
                                                 2.9207       8
                                                 3.243        4
                                                 2.6816       4
                                                 2.603        6
                                                 2.5644       7
                                                 3.1368       4
                                                 2.3991       7
    6    O                   3.312       10
                                                 3.232        4
                                                 2.7118       4
                                                 2.4115       5
                                                 2.5664       7
                                                 3.1387       8
                                                 2.4514       8
                                                 3.2257       4
                                                 2.603        5
                                                 2.4665       7
                                                 3.1784       8
    7    O                   3.312        9
                                                 2.5315       4
                                                 2.5664       6
                                                 3.0982       8
                                                 2.5644       5
                                                 2.9595       8
                                                 2.3991       5
                                                 2.4665       6
                                                 2.4548       8
                                                 3.1113       8
    8    OH                  3.36        12
                                                 2.8526       4
                                                 2.4759       5
                                                 3.1947       5
                                                 2.4514       6
                                                 3.1387       6
                                                 3.0982       7
                                                 2.9207       5
                                                 3.0673       4
                                                 2.9595       7
                                                 3.1784       6
                                                 2.4548       7
                                                 3.1113       7

  X-ray diffraction powder data (II),  X-Ray W.L. =   1.54056(angs.):

  No   H   K   L   Theta 2*Theta    S       LPG   MF        F          I int.
                    ( degree )                                         *100

    1   1   1   0  7.421  14.843   0.084  116.92    4       13.4       67.3
    2   0   0   1  9.157  18.315   0.103   76.03    2       31.6      121.0
    3   2   0   0  9.215  18.43    0.104   75.06    2        8.8        9.3
    4   0   1   1 10.876  21.752   0.122   53.28    4        2.0        0.7
    5   2   1   0 10.925  21.849   0.123   52.78    4        5.7        5.4
    6   0   2   0 11.695  23.39    0.132   45.79    2       31.0       70.5
    7   1   1  -1 11.828  23.655   0.133   44.72    4       35.5      180.4
    8   1   1   1 11.828  23.655   0.133   44.72    4       45.9      301.2
    9   1   2   0 12.588  25.177   0.141   39.24    4        7.3        6.7
   10   2   0  -1 13.048  26.097   0.147   36.38    2       11.3        7.4
   11   2   0   1 13.048  26.097   0.147   36.38    2       69.2      278.1
   12   2   1  -1 14.328  28.657   0.161   29.83    4       81.7      635.8
   13   2   1   1 14.328  28.657   0.161   29.83    4       61.4      359.8
   14   0   2   1 14.935  29.869   0.167   27.3     4       60.8      322.6
   15   2   2   0 14.971  29.942   0.168   27.16    4       34.7      104.5
   16   3   1   0 15.113  30.225   0.169   26.62    4        2.2        0.4
   17   1   2  -1 15.656  31.313   0.175   24.67    4       75.3      446.9
   18   1   2   1 15.656  31.313   0.175   24.67    4       56.5      251.6
   19   2   2  -1 17.663  35.326   0.197   18.99    4       13.8       11.6
   20   2   2   1 17.663  35.326   0.197   18.99    4       22.7       31.3
   21   3   1  -1 17.786  35.571   0.198   18.7     4       47.0      131.9
   22   3   1   1 17.786  35.571   0.198   18.7     4       63.4      240.3
   23   3   2   0 18.319  36.638   0.204   17.53    4        3.9        0.8
   24   1   3   0 18.326  36.652   0.204   17.51    4       13.8       10.6
   25   0   0   2 18.56   37.12    0.207   17.03    2       16.5        7.4
   26   4   0   0 18.68   37.36    0.208   16.79    2       61.2      100.3
   27   0   1   2 19.514  39.029   0.217   15.25    4        9.7        4.6
   28   4   1   0 19.63   39.259   0.218   15.05    4       46.2      102.8
   29   0   3   1 20.071  40.143   0.223   14.32    4       57.0      148.8
   30   1   1  -2 20.091  40.181   0.223   14.29    4       53.8      132.2
   31   1   1   2 20.091  40.181   0.223   14.29    4        3.2        0.5
   32   2   3   0 20.1    40.199   0.223   14.28    4       71.7      234.5
   33   3   2  -1 20.628  41.257   0.229   13.47    4       73.1      229.9
   34   3   2   1 20.628  41.257   0.229   13.47    4       59.6      153.1
   35   1   3  -1 20.635  41.269   0.229   13.46    4        6.0        1.6
   36   1   3   1 20.635  41.269   0.229   13.46    4       33.7       48.8
   37   2   0  -2 20.874  41.748   0.231   13.12    2       40.2       33.9
   38   2   0   2 20.874  41.748   0.231   13.12    2       11.3        2.7
   39   4   0  -1 20.956  41.911   0.232   13.01    2       47.8       47.5
   40   4   0   1 20.956  41.911   0.232   13.01    2       66.1       90.9
   41   2   1  -2 21.743  43.486   0.24    11.97    4        5.2        1.0
   42   2   1   2 21.743  43.486   0.24    11.97    4        7.8        2.4
   43   4   1  -1 21.822  43.644   0.241   11.88    4       35.9       48.8
   44   4   1   1 21.822  43.644   0.241   11.88    4       16.9       10.8
   45   0   2   2 22.17   44.341   0.245   11.46    4       24.7       22.3
   46   2   3  -1 22.254  44.508   0.246   11.36    4       22.5       18.3
   47   2   3   1 22.254  44.508   0.246   11.36    4        4.4        0.7
   48   4   2   0 22.274  44.548   0.246   11.34    4       13.4        6.5
   49   1   2  -2 22.691  45.382   0.25    10.88    4       54.3      102.6
   50   1   2   2 22.691  45.382   0.25    10.88    4       62.6      136.2
   51   3   3   0 22.799  45.598   0.252   10.76    4       39.1       52.7
   52   0   4   0 23.917  47.834   0.263    9.66    2       60.4       56.2
   53   2   2  -2 24.201  48.402   0.266    9.4     4       11.8        4.2
   54   2   2   2 24.201  48.402   0.266    9.4     4       25.3       19.3
   55   4   2  -1 24.274  48.547   0.267    9.34    4       31.7       30.1
   56   4   2   1 24.274  48.547   0.267    9.34    4        2.7        0.2
   57   3   1  -2 24.296  48.591   0.267    9.32    4       59.6      105.9
   58   3   1   2 24.296  48.591   0.267    9.32    4       69.8      145.1
   59   5   1   0 24.392  48.785   0.268    9.23    4       16.7        8.3
   60   1   4   0 24.409  48.817   0.268    9.22    4       34.0       34.1
   61   3   3  -1 24.765  49.531   0.272    8.92    4        5.6        0.9
   62   3   3   1 24.765  49.531   0.272    8.92    4       21.0       12.6
   63   0   4   1 25.819  51.638   0.283    8.11    4       67.7      118.8
   64   2   4   0 25.842  51.684   0.283    8.1     4       40.0       41.4
   65   0   3   2 26.116  52.232   0.286    7.9     4        9.5        2.3
   66   4   3   0 26.208  52.415   0.287    7.84    4       43.3       46.9
   67   5   1  -1 26.269  52.538   0.287    7.8     4       19.8        9.8
   68   5   1   1 26.269  52.538   0.287    7.8     4        7.6        1.4
   69   1   4  -1 26.285  52.569   0.287    7.79    4       13.9        4.8
   70   1   4   1 26.285  52.569   0.287    7.79    4       22.4       12.5
   71   3   2  -2 26.573  53.145   0.29     7.6     4        8.1        1.6
   72   3   2   2 26.573  53.145   0.29     7.6     4       18.4        8.2
   73   1   3  -2 26.578  53.155   0.29     7.59    4       37.1       33.5
   74   1   3   2 26.578  53.155   0.29     7.59    4        2.1        0.1
   75   5   2   0 26.663  53.326   0.291    7.54    4       72.3      125.8
   76   4   0  -2 26.843  53.686   0.293    7.42    2       79.0       74.0
   77   4   0   2 26.843  53.686   0.293    7.42    2       23.2        6.4
   78   4   1  -2 27.567  55.133   0.3      6.99    4       25.9       14.9
   79   4   1   2 27.567  55.133   0.3      6.99    4       80.9      145.9
   80   2   4  -1 27.648  55.296   0.301    6.94    4        7.8        1.3
   81   2   4   1 27.648  55.296   0.301    6.94    4        1.1        0.0
   82   2   3  -2 27.931  55.863   0.304    6.78    4       79.1      135.5
   83   2   3   2 27.931  55.863   0.304    6.78    4       69.2      103.7
   84   4   3  -1 27.997  55.994   0.305    6.75    4       55.9       67.3
   85   4   3   1 27.997  55.994   0.305    6.75    4       51.7       57.6
   86   3   4   0 28.114  56.229   0.306    6.68    4       10.5        2.3
   87   5   2  -1 28.433  56.866   0.309    6.51    4       43.6       39.5
   88   5   2   1 28.433  56.866   0.309    6.51    4       29.2       17.7
   89   0   0   3 28.519  57.037   0.31     6.47    2       64.3       42.7
   90   6   0   0 28.713  57.426   0.312    6.37    2       46.9       22.3
   91   0   1   3 29.215  58.43    0.317    6.13    4        8.3        1.3
   92   6   1   0 29.406  58.812   0.319    6.04    4        6.5        0.8
   93   1   1  -3 29.644  59.288   0.321    5.93    4        5.9        0.6
   94   1   1   3 29.644  59.288   0.321    5.93    4       13.0        3.2
   95   4   2  -2 29.667  59.334   0.321    5.92    4       48.7       44.9
   96   4   2   2 29.667  59.334   0.321    5.92    4        5.1        0.5
   97   3   4  -1 29.827  59.654   0.323    5.85    4        1.8        0.1
   98   3   4   1 29.827  59.654   0.323    5.85    4       17.3        5.6
   99   3   3  -2 30.097  60.194   0.326    5.73    4       17.5        5.6
  100   3   3   2 30.097  60.194   0.326    5.73    4       12.7        3.0
  101   5   3   0 30.181  60.361   0.326    5.7     4       12.7        2.9
  102   2   0  -3 30.238  60.475   0.327    5.67    2        6.0        0.3
  103   2   0   3 30.238  60.475   0.327    5.67    2       71.0       45.7
  104   6   0  -1 30.404  60.809   0.329    5.6     2       69.0       42.6
  105   6   0   1 30.404  60.809   0.329    5.6     2       62.3       34.7
  106   1   5   0 30.867  61.734   0.333    5.42    4       19.5        6.6
  107   2   1  -3 30.91   61.819   0.333    5.4     4       50.5       44.0
  108   2   1   3 30.91   61.819   0.333    5.4     4       36.6       23.1
  109   0   4   2 31.026  62.053   0.335    5.36    4       14.1        3.4
  110   6   1  -1 31.074  62.148   0.335    5.34    4        9.2        1.4
  111   6   1   1 31.074  62.148   0.335    5.34    4       15.4        4.0
  112   4   4   0 31.109  62.217   0.335    5.33    4       16.6        4.7
  113   0   2   3 31.245  62.489   0.337    5.27    4       22.9        8.8
  114   5   1  -2 31.427  62.854   0.338    5.21    4        5.3        0.5
  115   5   1   2 31.427  62.854   0.338    5.21    4       16.0        4.3
  116   6   2   0 31.429  62.857   0.338    5.21    4       54.7       49.8
  117   1   4  -2 31.441  62.881   0.339    5.2     4       29.2       14.2
  118   1   4   2 31.441  62.881   0.339    5.2     4        0.1        0.0
  119   1   2  -3 31.657  63.315   0.341    5.13    4       30.7       15.5
  120   1   2   3 31.657  63.315   0.341    5.13    4       38.3       24.1
  121   5   3  -1 31.824  63.649   0.342    5.07    4        1.6        0.0
  122   5   3   1 31.824  63.649   0.342    5.07    4       16.4        4.3
  123   0   5   1 32.084  64.169   0.345    4.98    4       23.8        9.0
  124   2   5   0 32.104  64.209   0.345    4.97    4       26.5       11.1
  125   1   5  -1 32.491  64.982   0.349    4.84    4       49.4       37.7
  126   1   5   1 32.491  64.982   0.349    4.84    4       20.6        6.6
  127   2   4  -2 32.666  65.332   0.35     4.79    4       25.8       10.2
  128   2   4   2 32.666  65.332   0.35     4.79    4       41.6       26.5
  129   4   4  -1 32.726  65.451   0.351    4.77    4       28.3       12.2
  130   4   4   1 32.726  65.451   0.351    4.77    4       41.4       26.1
  131   2   2  -3 32.878  65.756   0.352    4.72    4        3.4        0.2
  132   2   2   3 32.878  65.756   0.352    4.72    4       11.5        2.0
  133   3   1  -3 32.956  65.912   0.353    4.7     4       37.2       20.7
  134   3   1   3 32.956  65.912   0.353    4.7     4       24.8        9.2
  135   4   3  -2 32.982  65.964   0.353    4.69    4       13.7        2.8
  136   4   3   2 32.982  65.964   0.353    4.69    4       13.0        2.5
  137   6   2  -1 33.037  66.074   0.354    4.67    4       28.2       11.9
  138   6   2   1 33.037  66.074   0.354    4.67    4       23.6        8.3
  139   5   2  -2 33.379  66.757   0.357    4.57    4       18.6        5.1
  140   5   2   2 33.379  66.757   0.357    4.57    4       24.7        8.9
  141   2   5  -1 33.696  67.391   0.36     4.48    4        3.7        0.2
  142   2   5   1 33.696  67.391   0.36     4.48    4       22.9        7.5
  143   3   5   0 34.112  68.224   0.364    4.37    4       15.6        3.4
  144   0   3   3 34.475  68.95    0.367    4.27    4       59.5       48.3
  145   6   3   0 34.65   69.299   0.369    4.23    4       21.2        6.1
  146   3   4  -2 34.657  69.314   0.369    4.23    4       26.6        9.5
  147   3   4   2 34.657  69.314   0.369    4.23    4        1.0        0.0
  148   7   1   0 34.721  69.443   0.37     4.21    4        8.4        1.0
  149   5   4   0 34.734  69.469   0.37     4.21    4        3.3        0.2
  150   3   2  -3 34.863  69.726   0.371    4.18    4        6.9        0.6
  151   3   2   3 34.863  69.726   0.371    4.18    4       41.0       22.5
  152   1   3  -3 34.867  69.735   0.371    4.18    4        0.4        0.0
  153   1   3   3 34.867  69.735   0.371    4.18    4       10.3        1.4


  X-ray diffraction powder data (I)...X-Ray wave length =  1.54056 (angs.):

  No   H   K   L   Theta 2*Theta    d           I int   I int.n.  I p.h.n.   H(Si)
                    ( degree )   (angstrem)     *100                         *100

    1   1   1   0   7.421  14.843  5.96352       67.3      6.8      6.8     5.6
    2   0   0   1   9.157  18.315  4.84         121.0     12.2     12.3     5.6
    3   0   2   0  11.695  23.39   3.8           70.5      7.1      7.1     5.6
    4   1   1   1  11.828  23.655  3.75804      481.6     48.4     48.6     5.6
    5   2   0   1  13.048  26.097  3.41174      285.5     28.7     28.7     5.6
    6   2   1  -1  14.328  28.657  3.1125       995.5    100.0    100.0     5.6
    7   0   2   1  14.935  29.869  2.98887      322.6     32.4     32.4     5.6
    8   2   2   0  14.971  29.942  2.98176      104.5     10.5     10.5     5.6
    9   1   2  -1  15.656  31.313  2.85428      698.5     70.2     70.0     5.6
   10   2   2   1  17.663  35.326  2.53867       42.9      4.3      4.3     5.7
   11   3   1   1  17.786  35.571  2.52175      372.1     37.4     37.2     5.7
   12   1   3   0  18.326  36.652  2.44981       10.6      1.1      1.1     5.7
   13   4   0   0  18.68   37.36   2.405        100.3     10.1     10.0     5.7
   14   4   1   0  19.63   39.259  2.29293      102.8     10.3     10.2     5.7
   15   2   3   0  20.1    40.199  2.24146      516.0     51.8     51.3     5.7
   16   3   2  -1  20.628  41.257  2.18639      433.4     43.5     43.0     5.7
   17   2   0  -2  20.874  41.748  2.16181       36.6      3.7      3.6     5.7
   18   4   0   1  20.956  41.911  2.15376      138.4     13.9     13.7     5.7
   19   4   1  -1  21.822  43.644  2.07216       59.6      6.0      5.9     5.7
   20   0   2   2  22.17   44.341  2.04122       22.3      2.2      2.2     5.7
   21   2   3  -1  22.254  44.508  2.03393       25.5      2.6      2.5     5.7
   22   1   2   2  22.691  45.382  1.99676      238.8     24.0     23.6     5.7
   23   3   3   0  22.799  45.598  1.98784       52.7      5.3      5.2     5.7
   24   0   4   0  23.917  47.834  1.9           56.2      5.6      5.5     5.7
   25   2   2   2  24.201  48.402  1.87902       23.5      2.4      2.3     5.7
   26   3   1   2  24.296  48.591  1.87213      281.2     28.2     27.7     5.7
   27   1   4   0  24.409  48.817  1.86399       42.3      4.3      4.2     5.7
   28   3   3   1  24.765  49.531  1.83879       12.6      1.3      1.2     5.7
   29   0   4   1  25.819  51.638  1.76861      160.1     16.1     15.7     5.8
   30   4   3   0  26.208  52.415  1.7442        46.9      4.7      4.6     5.8
   31   1   4   1  26.285  52.569  1.73945       28.5      2.9      2.8     5.8
   32   1   3  -2  26.578  53.155  1.72164       43.4      4.4      4.3     5.8
   33   5   2   0  26.663  53.326  1.71652      125.8     12.6     12.3     5.8
   34   4   0  -2  26.843  53.686  1.70587       80.4      8.1      7.9     5.8
   35   4   1   2  27.567  55.133  1.66446      160.9     16.2     15.7     5.8
   36   2   3  -2  27.931  55.863  1.64445      239.2     24.0     23.3     5.8
   37   4   3  -1  27.997  55.994  1.6409       124.9     12.5     12.2     5.8
   38   5   2  -1  28.433  56.866  1.61779       57.3      5.8      5.6     5.8
   39   0   0   3  28.519  57.037  1.61333       42.7      4.3      4.2     5.8
   40   6   0   0  28.713  57.426  1.60333       22.3      2.2      2.2     5.8
   41   4   2  -2  29.667  59.334  1.55625       48.6      4.9      4.7     5.8
   42   2   0   3  30.238  60.475  1.52959       45.7      4.6      4.4     5.8
   43   6   0  -1  30.404  60.809  1.522         77.3      7.8      7.5     5.8
   44   2   1  -3  30.91   61.819  1.49952       67.1      6.7      6.5     5.8
   45   1   4  -2  31.441  62.881  1.47672       68.3      6.9      6.6     5.9
   46   1   2   3  31.657  63.315  1.46765       39.5      4.0      3.8     5.9
   47   2   5   0  32.104  64.209  1.44935       20.2      2.0      1.9     5.9
   48   1   5  -1  32.491  64.982  1.43397       44.3      4.5      4.3     5.9
   49   2   4   2  32.666  65.332  1.42714       36.7      3.7      3.5     5.9
   50   4   4   1  32.726  65.451  1.42482       38.3      3.8      3.7     5.9
   51   3   1  -3  32.956  65.912  1.41597       35.3      3.5      3.4     5.9
   52   6   2  -1  33.037  66.074  1.41288       20.2      2.0      1.9     5.9
   53   5   2   2  33.379  66.757  1.40008       14.0      1.4      1.3     5.9
   54   0   3   3  34.475  68.95   1.36081       48.3      4.8      4.6     5.9
   55   3   4  -2  34.657  69.314  1.35456       15.6      1.6      1.5     5.9
   56   3   2   3  34.863  69.726  1.34755       23.9      2.4      2.3     5.9

Reference:
Chichagov A.V. et al.
Information-Calculating System on Crystal Structure Data of Minerals
(MINCRYST)
- Kristallographiya, v.35, n.3, 1990, p.610-616 (in Russian)