Card No: 12273       Created: 12/12/24    Last edition: 10/04/2026

Name: RHYTHMITE
Specification: [1]
Formula: Ca29[SiO4]8Cl26
Symmetry Class: orthorhombic
Space Group: P nma
Unit Cell
Parameters:
a = 17.0749 | b = 15.1029 | c = 13.2907
Number of Formula Unit: Z = 2Unit Cell Volume, Å3: Vc = 3427.41
Number of Atomic Position
per full Unit Cell
:
P/U = 192 Molar Volume, cm3/mol: Vm = 1032.23
Number of Reflexes used in
Structure Determination
:

NR = 4179
X-ray density, g/cm3: p = 2.77
R-factor: R = 0.0449MU, 1/cm: µ = 302.223
Wave Length for Calculated
Powder Diffraction Patterns
:
Cu=1.54056Mass attenuation coefficient,
cm2/g
:
µ/p = 109.059
Theta-Interval for CPDP: T/I = 1-45