Card No: 171       Created: 30/12/1998    Last edition: 03/07/2017

Name: AMMONIOLEUCITE
Specification: [1]
Formula: [NH4,K]AlSi2O6
Symmetry Class: tetragonal
Space Group: *I 4(1)/a
Unit Cell
Parameters:
a = 13.2106 | c = 13.7210
Number of Formula Unit: Z = 16Unit Cell Volume, Å3: Vc = 2394.59
Number of Atomic Position
per full Unit Cell
:
P/U = 160 Molar Volume, cm3/mol: Vm = 90.15
Number of Reflexes used in
Structure Determination
:

-
X-ray density, g/cm3: p = 2.24
R-factor: R = 0.0770MU, 1/cm: µ = 86.858
Wave Length for Calculated
Powder Diffraction Patterns
:
Cu=1.54056Mass attenuation coefficient,
cm2/g
:
µ/p = 38.746
Theta-Interval for CPDP: T/I = 1-45