#------------------------------------------------------------------------------
#$Date: 2016-02-14 14:26:36 +0000 (Sun, 14 Feb 2016) $
#$Revision: 176435 $
#$URL: svn://www.crystallography.net/cod/cif/2/00/28/2002801.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_2002801
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     'Ba0.5 Sr0.5 (Be La2 O5)'
_chemical_formula_sum            'Ba0.5 Be La2 O5 Sr0.5'
_chemical_name_systematic
;
Barium strontium dilanthanoberyllate (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                   9.82100(37)
_cell_length_b                   7.43550(31)
_cell_length_c                   6.73440(27)
_cell_volume                     491.8
_refine_ls_R_factor_all          0.05
_cod_original_formula_sum        'Ba.5 Be La2 O5 Sr.5'
_cod_database_code               2002801
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
La1 La3+ 4 c 0.97518 0.25 0.5954 1. 0 d
La2 La3+ 8 d 0.82693 0.02232 0.08116 0.5 0 d
Ba1 Ba2+ 8 d 0.82693 0.02232 0.08116 0.25 0 d
Sr1 Sr2+ 8 d 0.82693 0.02232 0.08116 0.25 0 d
Be1 Be2+ 4 c 0.09649 0.25 0.1888 1. 0 d
O1 O2- 8 d 0.43184 0.93676 0.80871 1. 0 d
O2 O2- 4 c 0.22431 0.25 0.6677 1. 0 d
O3 O2- 4 c 0.26758 0.25 0.13656 1. 0 d
O4 O2- 4 c 0.51001 0.25 0.51802 1. 0 d
loop_
_atom_type_symbol
_atom_type_oxidation_number
La3+ 3.000
Ba2+ 2.000
Sr2+ 2.000
Be2+ 2.000
O2- -2.000