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#$Date: 2016-02-14 14:26:36 +0000 (Sun, 14 Feb 2016) $
#$Revision: 176435 $
#$URL: svn://www.crystallography.net/cod/cif/2/00/28/2002802.cif $
#------------------------------------------------------------------------------
#
# This file is available in the Crystallography Open Database (COD),
# http://www.crystallography.net/
#
# All data on this site have been placed in the public domain by the
# contributors.
#
data_2002802
loop_
_publ_author_name
'Rettich, R'
'Mueller-Buschbaum, Hk'
_publ_section_title
;
Ein Beitrag ueber die Verbindung Ca Be Nd2 O5 und Phasen der
Zusammensetzung M(1-x) M'(x) Be Ln2 O5 (M=Ca, Ba; M'=Sr;
x=0.5)
;
_journal_name_full
;
Zeitschrift fuer Anorganische und Allgemeine Chemie
;
_journal_page_first              562
_journal_page_last               566
_journal_paper_doi               10.1002/zaac.19956210412
_journal_volume                  621
_journal_year                    1995
_chemical_formula_structural     'Ca0.5 Sr0.5 (Be Dy2 O5)'
_chemical_formula_sum            'Be Ca0.5 Dy2 O5 Sr0.5'
_chemical_name_systematic
;
Calcium strontium didysprosoberyllate (0.5/0.5/1)
;
_space_group_IT_number           62
_symmetry_cell_setting           orthorhombic
_symmetry_Int_Tables_number      62
_symmetry_space_group_name_Hall  '-P 2ac 2n'
_symmetry_space_group_name_H-M   'P n m a'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   9.352
_cell_length_b                   7.0161
_cell_length_c                   6.3748
_cell_volume                     418.3
_refine_ls_R_factor_all          0.046
_cod_original_formula_sum        'Be Ca.5 Dy2 O5 Sr.5'
_cod_database_code               2002802
loop_
_symmetry_equiv_pos_as_xyz
x,y,z
1/2+x,1/2-y,1/2-z
-x,1/2+y,-z
1/2-x,-y,1/2+z
-x,-y,-z
1/2-x,1/2+y,1/2+z
x,1/2-y,z
1/2+x,y,1/2-z
loop_
_atom_site_label
_atom_site_type_symbol
_atom_site_symmetry_multiplicity
_atom_site_Wyckoff_symbol
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_occupancy
_atom_site_attached_hydrogens
_atom_site_calc_flag
Dy1 Dy3+ 4 c 0.9769(1) 0.25 0.5962(1) 1. 0 d
Dy2 Dy3+ 8 d 0.8255(1) 0.02078(1) 0.0809(1) 0.5 0 d
Ca1 Ca2+ 8 d 0.8255(1) 0.02078(1) 0.0809(1) 0.25 0 d
Sr1 Sr2+ 8 d 0.8255(1) 0.02078(1) 0.0809(1) 0.25 0 d
Be1 Be2+ 4 c 0.1011(9) 0.25 0.1966(1) 1. 0 d
O1 O2- 8 d 0.433(1) 0.946(1) 0.813(1) 1. 0 d
O2 O2- 4 c 0.220(1) 0.25 0.668(1) 1. 0 d
O3 O2- 4 c 0.277(1) 0.25 0.137(1) 1. 0 d
O4 O2- 4 c 0.508(1) 0.25 0.523(1) 1. 0 d
loop_
_atom_type_symbol
_atom_type_oxidation_number
Dy3+ 3.000
Ca2+ 2.000
Sr2+ 2.000
Be2+ 2.000
O2- -2.000