#------------------------------------------------------------------------------
#$Date: 2008-01-13 22:15:36 +0000 (Sun, 13 Jan 2008) $
#$Revision: 14 $
#$URL: svn://www.crystallography.net/cod/cif/2/2002877.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_2002877
_chemical_name_systematic          'Europium beryllium disamarium oxide'
_chemical_formula_structural       'Eu Be Sm2 O5'
_chemical_formula_sum              'Be Eu O5 Sm2'
_publ_section_title
;
Synthese und Kristallstrukturuntersuchung von Ca Be Eu2 O5, Sr Be Gd2
O5 und Eu Be Sm2 O5
;
loop_
_publ_author_name
  'Mueller-Buschbaum, Hk'
  'Wolters, M'
_journal_name_full                 'Journal of Alloys Compd.'
_journal_volume                    210
_journal_year                      1994
_journal_page_first                L1
_journal_page_last                 L3
_cell_length_a                     7.1506(32)
_cell_length_b                     6.4821(25)
_cell_length_c                     9.4394(18)
_cell_angle_alpha                  90
_cell_angle_beta                   90.235(41)
_cell_angle_gamma                  90
_cell_volume                       437.5
_cell_formula_units_Z              4
_symmetry_space_group_name_H-M     'P 1 21/c 1'
_symmetry_Int_Tables_number        14
_symmetry_cell_setting             monoclinic
loop_
_symmetry_equiv_pos_as_xyz
  'x,y,z'
  '-x,1/2+y,1/2-z'
  '-x,-y,-z'
  'x,1/2-y,1/2+z'
loop_
_atom_type_symbol
_atom_type_oxidation_number
  Sm3+   3.000
  Eu2+   2.000
  Be2+   2.000
  O2-   -2.000
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
  Sm1   Sm3+   4 e 0.2501(1) 0.5961(2) 0.9760(1) 1.  0 d
  Sm2   Sm3+   4 e 0.5226(1) 0.9193(2) 0.1742(1) 1.  0 d
  Eu2   Eu2+   4 e 0.0212(1) 0.0807(2) 0.8270(1) 1.  0 d
  Be1   Be2+   4 e 0.2518(9) 0.1944(9) 0.1029(9) 1.  0 d
  O1    O2-    4 e 0.943(1) 0.810(1) 0.437(1) 1.  0 d
  O2    O2-    4 e 0.441(1) 0.181(1) 0.568(1) 1.  0 d
  O3    O2-    4 e 0.259(1) 0.668(1) 0.220(1) 1.  0 d
  O4    O2-    4 e 0.257(1) 0.131(1) 0.275(1) 1.  0 d
  O5    O2-    4 e 0.255(1) 0.521(1) 0.506(1) 1.  0 d
_refine_ls_R_factor_all            0.04