Card No: 12276       Created: 12/02/25    Last edition: 02/04/2026

Name: SILICOGERMANATE_Rb_Cs_Tb
Specification: [1]
Formula: Rb1.66Cs1.34Tb[Si5.43Ge0.57O15] · H2O
Symmetry Class: orthorhombic
Space Group: P bam
Unit Cell
Parameters:
a = 15.9429 | b = 14.8407 | c = 7.2781
Number of Formula Unit: Z = 4Unit Cell Volume, Å3: Vc = 1722.03
Number of Atomic Position
per full Unit Cell
:
P/U = 104 Molar Volume, cm3/mol: Vm = 259.31
Number of Reflexes used in
Structure Determination
:

NR = 2756
X-ray density, g/cm3: p = 3.59
R-factor: R = 0.0541MU, 1/cm: µ = 538.780
Wave Length for Calculated
Powder Diffraction Patterns
:
Cu=1.54056Mass attenuation coefficient,
cm2/g
:
µ/p = 150.120
Theta-Interval for CPDP: T/I = 1-45