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

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

39, t-perovskite, f-perovskite

CaTiO(3)


Orthorhombic  P bnm  Z = 4

R =0.0435          NR =1736

16 .6 .1997

Ref.Str.:

         Arakcheeva A.V., Pushcharovskii D.Yu., Gekimyants V.M.,

         Popov V.A., Lubman G.U. (1997)

         * Kristallogr., 42, 54-63

Reserv:

         There are U(ij) in the article.  D.T.N.

                   Initial data from BDM-file 

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

             a =   5.378    alpha =   90.0 
             b =   5.444    beta  =   90.0 
             c =   7.637    gamma =   90.0 

    Unit cell volume (cub. angs.) =   223.59

    Molar volume ( cub.cm/mol.) =    33.67

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

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

   1 0.0     0.0     0.0      0.88   Ti    = 1.00
   2 0.493   0.9634  0.25     1.05   Ca    = 1.00
   3 0.5726  0.5168  0.25     1.17   O     = 1.00
   4 0.2898  0.2111  0.0378   1.11   O     = 1.00


  Co-ordinates for all atomic positions :

   No       NoP      x/a        y/b       z/c 

     1       1     0.0        0.0        0.0   
     2       2     0.493      0.9634     0.25  
     3       3     0.5726     0.5168     0.25  
     4       4     0.2898     0.2111     0.0378
     5       2     0.507      0.0366     0.75  
     6       3     0.4274     0.4832     0.75  
     7       4     0.7102     0.7889     0.9622
     8       1     0.0        0.0        0.5   
     9       4     0.7102     0.7889     0.5378
    10       4     0.2898     0.2111     0.4622
    11       1     0.5        0.5        0.0   
    12       2     0.007      0.4634     0.25  
    13       3     0.9274     0.0168     0.25  
    14       4     0.2102     0.7111     0.0378
    15       2     0.993      0.5366     0.75  
    16       3     0.0726     0.9832     0.75  
    17       4     0.7898     0.2889     0.9622
    18       1     0.5        0.5        0.5   
    19       4     0.7898     0.2889     0.5378
    20       4     0.2102     0.7111     0.4622


X-ray density (g/cm cub.)   =      4.04

MU (1/cm) =     505.083    Mass attenuation coefficient (cm**2/g) =    125.081

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

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

    1    Ti                  2.568        6
                                                 1.9578       4
                                                 1.9578       4
                                                 1.9509       3
                                                 1.9583       4
                                                 1.9509       3
                                                 1.9583       4
    2    Ca                  2.88         8
                                                 2.4687       3
                                                 2.3746       4
                                                 2.6642       4
                                                 2.6642       4
                                                 2.3746       4
                                                 2.3542       3
                                                 2.6127       4
                                                 2.6127       4
    3    O                   3.264        8
                                                 2.7765       4
                                                 2.7519       4
                                                 2.7519       4
                                                 2.7765       4
                                                 2.7466       4
                                                 2.7811       4
                                                 2.7811       4
                                                 2.7466       4
    4    O                   3.264        9
                                                 2.7765       3
                                                 2.7519       3
                                                 3.2411       4
                                                 2.7466       3
                                                 2.7555       4
                                                 2.7555       4
                                                 2.7811       3
                                                 2.7827       4
                                                 2.7827       4

  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   0   1 10.089  20.178   0.114   62.26    4        3.4        5.9
    2   1   1   0 11.615  23.23    0.131   46.45    4       29.9      333.3
    3   0   0   2 11.638  23.275   0.131   46.26    2       28.3      148.7
    4   1   1   1 13.014  26.027   0.146   36.58    8       14.0      114.2
    5   0   2   0 16.438  32.877   0.184   22.2     2       99.5      878.8
    6   1   1   2 16.559  33.118   0.185   21.85    8       98.9     3423.3
    7   2   0   0 16.646  33.292   0.186   21.61    2       96.8      809.5
    8   0   2   1 17.483  34.966   0.195   19.42    4       15.8       38.8
    9   1   2   0 18.492  36.983   0.206   17.17    4       16.3       36.5
   10   2   1   0 18.632  37.265   0.207   16.89    4       20.3       55.9
   11   1   2   1 19.44   38.88    0.216   15.38    8       14.9       54.9
   12   1   0   3 19.559  39.117   0.217   15.17    4       32.5      128.0
   13   2   1   1 19.575  39.15    0.217   15.14    8       21.8      114.7
   14   0   2   2 20.336  40.672   0.226   13.91    4       38.6      166.2
   15   2   0   2 20.509  41.018   0.227   13.65    4       36.3      143.6
   16   1   1   3 21.312  42.624   0.236   12.53    8       19.6       76.9
   17   1   2   2 22.079  44.157   0.244   11.57    8       17.7       58.0
   18   2   1   2 22.2    44.401   0.245   11.43    8       14.8       39.8
   19   2   2   0 23.745  47.489   0.261    9.81    4      135.3     1437.0
   20   0   0   4 23.794  47.588   0.262    9.77    2      140.5      771.9
   21   0   2   3 24.475  48.949   0.269    9.16    4       28.0       57.5
   22   2   2   1 24.526  49.051   0.269    9.12    8       22.2       71.8
   23   1   2   3 25.999  51.997   0.285    7.99    8       12.8       20.9
   24   2   1   3 26.106  52.213   0.286    7.91    8       13.9       24.5
   25   3   0   1 26.191  52.382   0.286    7.85    4       14.8       13.8
   26   1   3   0 26.615  53.229   0.291    7.57    4       34.4       71.8
   27   2   2   2 26.767  53.534   0.292    7.47    8       22.6       61.3
   28   1   1   4 26.801  53.602   0.293    7.45    8       19.6       45.7
   29   3   1   0 26.897  53.793   0.294    7.39    4       15.4       14.0
   30   1   3   1 27.336  54.671   0.298    7.12    8       33.6      129.1
   31   3   1   1 27.612  55.225   0.301    6.96    8       14.9       24.7
   32   1   3   2 29.427  58.853   0.319    6.03    8       72.0      500.5
   33   0   2   4 29.525  59.049   0.32     5.98    4       84.0      338.0
   34   2   0   4 29.656  59.313   0.321    5.92    4       83.0      326.4
   35   3   1   2 29.691  59.382   0.322    5.91    8       88.6      742.6
   36   2   2   3 30.244  60.488   0.327    5.67    8        9.2        7.6
   37   2   3   0 30.803  61.606   0.332    5.44    4        8.5        3.1
   38   1   2   4 30.876  61.753   0.333    5.41    8        5.0        2.2
   39   3   2   0 30.964  61.928   0.334    5.38    4       14.1        8.5
   40   2   1   4 30.973  61.946   0.334    5.38    8        7.4        4.7
   41   2   3   1 31.462  62.923   0.339    5.2     8       10.4        9.0
   42   1   0   5 31.618  63.236   0.34     5.14    4       19.2       15.1
   43   3   2   1 31.621  63.241   0.34     5.14    8        3.6        1.1
   44   3   0   3 31.704  63.408   0.341    5.11    4        5.0        1.0
   45   1   3   3 32.725  65.449   0.351    4.77    8       25.0       47.6
   46   1   1   5 32.889  65.778   0.352    4.72    8        4.4        1.5
   47   3   1   3 32.973  65.947   0.353    4.69    8        1.6        0.2
   48   2   3   2 33.394  66.787   0.357    4.57    8        8.4        5.2
   49   3   2   2 33.548  67.095   0.359    4.52    8        2.7        0.5
   50   0   4   0 34.469  68.939   0.367    4.28    2       87.8      131.8
   51   2   2   4 34.751  69.501   0.37     4.21    8       91.6      564.4
   52   4   0   0 34.954  69.907   0.372    4.16    2       86.9      125.6
   53   0   4   1 35.091  70.183   0.373    4.12    4       28.8       27.3
   54   0   2   5 35.33   70.659   0.375    4.07    4        4.0        0.5
   55   1   4   0 35.719  71.438   0.379    3.98    4       21.0       14.1
   56   4   1   0 36.166  72.332   0.383    3.88    4       18.1       10.2
   57   1   4   1 36.332  72.663   0.385    3.85    8        0.6        0.0
   58   2   3   3 36.499  72.998   0.386    3.82    8       14.9       13.6
   59   1   2   5 36.566  73.132   0.387    3.8     8       20.3       25.0
   60   3   2   3 36.647  73.293   0.387    3.79    8       15.1       13.8
   61   2   1   5 36.655  73.31    0.388    3.79    8       13.7       11.3
   62   4   1   1 36.776  73.551   0.389    3.76    8       15.1       13.8
   63   0   4   2 36.93   73.86    0.39     3.73    4       19.5       11.3
   64   1   3   4 37.076  74.153   0.391    3.71    8       23.7       33.4
   65   3   3   0 37.156  74.313   0.392    3.69    4        5.3        0.8
   66   0   0   6 37.241  74.482   0.393    3.68    2        2.6        0.1
   67   3   1   4 37.312  74.623   0.393    3.66    8       10.0        5.9
   68   4   0   2 37.401  74.802   0.394    3.65    4       17.9        9.4
   69   3   3   1 37.76   75.52    0.397    3.58    8       19.8       22.4
   70   1   4   2 38.147  76.293   0.401    3.52    8       11.6        7.5
   71   4   1   2 38.583  77.166   0.405    3.45    8       14.3       11.3
   72   2   4   0 39.37   78.741   0.412    3.34    4       53.2       75.7
   73   3   3   2 39.553  79.105   0.413    3.31    8       52.8      147.5
   74   1   1   6 39.627  79.253   0.414    3.3     8       60.5      193.3
   75   4   2   0 39.717  79.433   0.415    3.29    4       54.5       78.3
   76   0   4   3 39.924  79.849   0.417    3.26    4       11.6        3.5
   77   2   4   1 39.963  79.927   0.417    3.26    8       20.1       21.1
   78   2   2   5 40.191  80.382   0.419    3.23    8       20.4       21.6
   79   4   2   1 40.308  80.617   0.42     3.22    8       13.5        9.4
   80   2   3   4 40.687  81.374   0.423    3.17    8        3.4        0.6
   81   3   2   4 40.83   81.66    0.424    3.16    8        7.5        2.9
   82   1   4   3 41.114  82.229   0.427    3.13    8        9.4        4.4
   83   3   0   5 41.494  82.987   0.43     3.09    4       17.2        7.3
   84   4   1   3 41.543  83.085   0.43     3.08    8       16.5       13.5
   85   2   4   2 41.731  83.462   0.432    3.06    8        3.7        0.7
   86   0   2   6 41.918  83.836   0.434    3.05    4        3.6        0.3
   87   2   0   6 42.032  84.064   0.435    3.04    4        3.4        0.3
   88   4   2   2 42.073  84.146   0.435    3.03    8        2.5        0.3
   89   1   3   5 42.419  84.839   0.438    3.0     8       25.2       30.5
   90   3   3   3 42.497  84.993   0.439    2.99    8       25.9       32.3
   91   3   1   5 42.647  85.294   0.44     2.98    8       18.0       15.5
   92   1   2   6 43.098  86.196   0.444    2.95    8        2.6        0.3
   93   2   1   6 43.183  86.366   0.444    2.94    8        1.1        0.1
   94   0   4   4 44.031  88.062   0.451    2.88    4       65.4       98.7
   95   4   0   4 44.484  88.968   0.455    2.86    4       66.2      100.0
   96   2   4   3 44.652  89.305   0.456    2.85    8       29.4       39.3
   97   4   2   3 44.992  89.985   0.459    2.83    8       16.0       11.6


  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  11.615  23.23   3.82594      482.0     14.1     14.2     5.6
    2   1   1   1  13.014  26.027  3.42069      114.2      3.3      3.4     5.6
    3   0   2   0  16.438  32.877  2.722        878.8     25.7     25.7     5.6
    4   1   1   2  16.559  33.118  2.70271     3423.3    100.0    100.0     5.6
    5   2   0   0  16.646  33.292  2.689        809.5     23.6     23.6     5.6
    6   0   2   1  17.483  34.966  2.56401       38.8      1.1      1.1     5.7
    7   1   2   0  18.492  36.983  2.42864       36.5      1.1      1.1     5.7
    8   2   1   0  18.632  37.265  2.41093       55.9      1.6      1.6     5.7
    9   1   2   1  19.44   38.88   2.31443       54.9      1.6      1.6     5.7
   10   1   0   3  19.559  39.117  2.30091      242.7      7.1      7.0     5.7
   11   0   2   2  20.336  40.672  2.21649      166.2      4.9      4.8     5.7
   12   2   0   2  20.509  41.018  2.19856      143.6      4.2      4.2     5.7
   13   1   1   3  21.312  42.624  2.11939       76.9      2.2      2.2     5.7
   14   1   2   2  22.079  44.157  2.04927       58.0      1.7      1.7     5.7
   15   2   1   2  22.2    44.401  2.0386        39.8      1.2      1.1     5.7
   16   2   2   0  23.745  47.489  1.91297     1437.0     42.0     41.4     5.7
   17   0   0   4  23.794  47.588  1.90925      771.9     22.5     22.2     5.7
   18   0   2   3  24.475  48.949  1.85927       57.5      1.7      1.7     5.7
   19   2   2   1  24.526  49.051  1.85564       71.8      2.1      2.1     5.7
   20   1   3   0  26.615  53.229  1.71942       71.8      2.1      2.1     5.8
   21   2   2   2  26.767  53.534  1.71035       61.3      1.8      1.8     5.8
   22   1   1   4  26.801  53.602  1.70835       45.7      1.3      1.3     5.8
   23   1   3   1  27.336  54.671  1.67743      129.1      3.8      3.7     5.8
   24   1   3   2  29.427  58.853  1.56781      500.5     14.6     14.2     5.8
   25   0   2   4  29.525  59.049  1.56308      338.0      9.9      9.6     5.8
   26   2   0   4  29.656  59.313  1.55675      326.4      9.5      9.3     5.8
   27   3   1   2  29.691  59.382  1.55512      742.6     21.7     21.1     5.8
   28   1   3   3  32.725  65.449  1.42486       47.6      1.4      1.3     5.9
   29   0   4   0  34.469  68.939  1.361        131.8      3.8      3.7     5.9
   30   2   2   4  34.751  69.501  1.35136      564.4     16.5     15.7     5.9
   31   4   0   0  34.954  69.907  1.3445       125.6      3.7      3.5     5.9
   32   2   4   0  39.37   78.741  1.21432       75.7      2.2      2.1     6.0
   33   3   3   2  39.553  79.105  1.20963      147.5      4.3      4.0     6.0
   34   1   1   6  39.627  79.253  1.20775      193.3      5.6      5.3     6.0
   35   4   2   0  39.717  79.433  1.20547       78.3      2.3      2.1     6.0
   36   0   4   4  44.031  88.062  1.10825       98.7      2.9      2.6     6.2
   37   4   0   4  44.484  88.968  1.09928      100.0      2.9      2.7     6.2
   38   2   4   3  44.652  89.305  1.09601       39.3      1.1      1.0     6.2

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)