Ca2Al2O5
Kahlenberg V, Fischer R X, Shaw C S J
American Mineralogist 85 (2000) 1061-1065
Rietveld analysis of dicalcium aluminate (Ca2Al2O5) -
A new high pressure phase with the Brownmillerite type structure
_database_code_amcsd 0002473
5.2281 14.4686 5.4004 90 90 90 I2mb
atom     x     y     z Biso
Al1    1/2   1/2   1/2  .83
Al2  .4487   .25 .5733  .42
Ca   .4937 .6079 .9770  .64
O1   .5223 .3570 .4432  .86
O2   .6100   .25 .8615 1.06
O3   .2590 .5090 .2560  .80