#------------------------------------------------------------------------------
#$Date: 2008-01-26 13:05:32 +0000 (Sat, 26 Jan 2008) $
#$Revision: 19 $
#$URL: svn://www.crystallography.net/cod/cif/2/2002511.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_2002511
_chemical_name_systematic          'Europium(II) beryllium dieuropium oxide'
_chemical_formula_structural       'Eu Be Eu2 O5'
_chemical_formula_sum              'Be Eu3 O5'
_publ_section_title
;
Europium als Erdalkali- und Lanthanoidelement in Eu Be Eu2 O5 (sowie
zur Kenntnis von Ca Be Pr2 O5)
;
loop_
_publ_author_name
  'Schroeder, F'
  'Mueller-Buschbaum, Hk'
_journal_name_full
;
Zeitschrift fuer Anorganische und Allgemeine Chemie
;
_journal_volume                    563
_journal_year                      1988
_journal_page_first                59
_journal_page_last                 64
_cell_length_a                     7.1749(7)
_cell_length_b                     6.5061(16)
_cell_length_c                     9.4708(11)
_cell_angle_alpha                  90
_cell_angle_beta                   90.37(1)
_cell_angle_gamma                  90
_cell_volume                       442.1
_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
  Be2+   2.000
  Eu3+   3.000
  Eu2+   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
  Be1   Be2+   4 e 0.254(5) 0.193(6) 0.101(4) 1.  0 d
  Eu1   Eu3+   4 e 0.2507(2) 0.5960(2) 0.9762(1) 1.  0 d
  Eu2   Eu3+   4 e 0.5222(2) 0.9181(2) 0.1755(1) 1.  0 d
  Eu3   Eu2+   4 e 0.0202(2) 0.0813(2) 0.8277(1) 1.  0 d
  O1    O2-    4 e 0.941(3) 0.808(3) 0.432(2) 1.  0 d
  O2    O2-    4 e 0.443(3) 0.184(3) 0.570(2) 1.  0 d
  O3    O2-    4 e 0.278(3) 0.668(3) 0.222(2) 1.  0 d
  O4    O2-    4 e 0.268(3) 0.133(3) 0.274(2) 1.  0 d
  O5    O2-    4 e 0.266(3) 0.522(3) 0.506(2) 1.  0 d
_refine_ls_R_factor_all            0.07