Card No: 12230       Created: 29/10/24    Last edition: 27/03/2026

Name: SREBRODOLSKITE
Specification: [11], "distorted" structure type - brownmillerite, syn, at 12.6 GPa
Formula: Ca2Fe2O5
Symmetry Class: orthorhombic
Space Group: P n2(1)a
Unit Cell
Parameters:
a = 5.2289 | b = 14.2548 | c = 5.4291
Number of Formula Unit: Z = 4Unit Cell Volume, Å3: Vc = 404.67
Number of Atomic Position
per full Unit Cell
:
P/U = 36 Molar Volume, cm3/mol: Vm = 60.94
Number of Reflexes used in
Structure Determination
:

-
X-ray density, g/cm3: p = 4.46
R-factor: -MU, 1/cm: µ = 439.752
Wave Length for Calculated
Powder Diffraction Patterns
:
Co=1.78892Mass attenuation coefficient,
cm2/g
:
µ/p = 98.585
Theta-Interval for CPDP: T/I = 1-45