#------------------------------------------------------------------------------
#$Date: 2024-04-25 16:59:02 +0200 (jue 25 de abr de 2024) $
#$Revision: 291351 $
#$URL: svn://www.crystallography.net/cod/cif/9/00/58/9005864.cif $
#------------------------------------------------------------------------------
#
# This file is available in the Crystallography Open Database (COD),
# http://www.crystallography.net/. The original data for this entry
# were provided the American Mineralogist Crystal Structure Database,
# http://rruff.geo.arizona.edu/AMS/amcsd.php
#
# The file may be used within the scientific community so long as
# proper attribution is given to the journal article from which the
# data were obtained.
#
data_9005864
loop_
_publ_author_name
'Hazen, R. M.'
'Finger, L. W.'
_publ_section_title
;
 High-temperature crystal chemistry of phenakite (Be2SiO4) and
 Chrysoberyl (BeAl2O4)
 Sample: T = 690 C
;
_journal_name_full               'Physics and Chemistry of Minerals'
_journal_page_first              426
_journal_page_last               434
_journal_paper_doi               10.1007/BF00628819
_journal_volume                  14
_journal_year                    1987
_chemical_formula_sum            'Al2 Be O4'
_chemical_name_mineral           Chrysoberyl
_space_group_IT_number           62
_symmetry_space_group_name_Hall  '-P 2c 2ab'
_symmetry_space_group_name_H-M   'P b n m'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_length_a                   4.4457
_cell_length_b                   9.4491
_cell_length_c                   5.5011
_cell_formula_units_Z            4
_cell_volume                     231.089
_database_code_amcsd             0007446
_diffrn_ambient_temperature      963.15
_exptl_crystal_density_diffrn    3.650
_cod_database_code               9005864
loop_
_space_group_symop_operation_xyz
x,y,z
x,y,1/2-z
-x,-y,1/2+z
1/2+x,1/2-y,1/2+z
1/2-x,1/2+y,1/2-z
1/2-x,1/2+y,z
1/2+x,1/2-y,-z
-x,-y,-z
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_U_iso_or_equiv
Al1 0.00000 0.00000 0.00000 0.00975
Al2 0.99520 0.27367 0.25000 0.00836
Be 0.43570 0.09300 0.25000 0.01305
O1 0.78850 0.09030 0.25000 0.00950
O2 0.24290 0.43280 0.25000 0.01051
O3 0.25790 0.16270 0.01540 0.01089
loop_
_cod_related_entry_id
_cod_related_entry_database
_cod_related_entry_code
1 AMCSD 0007446
