###############################################################################
# Yakel, H.L.jr. (1979)
# Acta Crystallographica B (24,1968-38,1982) 35, 564-569
# A refinement of the crystal structure of monoclinic europium sesquioxide
# 
# CIF by ICSD-for-WWW,  Copyright 2003 FIZ-Karlsruhe & A.W.Hewat (hewat@ill.fr)
# NOT TO BE PUBLISHED IN ANY FORM. See http://icsd.ill.fr/icsd/conditions.html
###############################################################################

data_8056-ICSD
_database_code_ICSD                8056
_audit_creation_date               1980-01-01
_chemical_name_systematic
'Europium oxide'
_chemical_formula_structural       
'Eu2 O3'
_chemical_formula_sum              
'Eu2 O3'
_publ_section_title                
'Eu2 O3'
loop_
_citation_id
_citation_journal_abbrev
_citation_year
_citation_journal_volume
_citation_page_first
_citation_page_last
_citation_journal_id_ASTM
primary 'Acta Crystallographica B (24,1968-38,198' 1979 35 564 569 ACBCAR
loop_
_publ_author_name
Yakel, H.L.jr.
_cell_length_a                     14.1105(2)
_cell_length_b                     3.6021(1)
_cell_length_c                     8.8080(2)
_cell_angle_alpha                  90.
_cell_angle_beta                   100.037(1)
_cell_angle_gamma                  90.
_cell_volume                       440.841
_cell_formula_units_Z              6.000
_symmetry_space_group_name_H-M     'C 1 2/m 1'
_symmetry_Int_Tables_number        12
_refine_ls_R_factor_all            0.0659
loop_
_symmetry_equiv_pos_site_id
_symmetry_equiv_pos_as_xyz
 1 'x,y,z'
 2 '1/2+x,1/2+y,z'
 3 'x,-y,z'
 4 '1/2+x,1/2-y,z'
 5 '-x,-y,-z'
 6 '1/2-x,1/2-y,-z'
 7 '-x,y,-z'
 8 '1/2-x,1/2+y,-z'
loop_
_atom_type_symbol
_atom_type_oxidation_number
Eu3+     3.
O2-     -2.
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_B_iso_or_equiv
_atom_site_occupancy
Eu1 Eu3+ 4 i 0.13740(1) 0.5 0.4897(2) 0. 1.
Sm2 Sm3+ 4 i 0.18972(1) 0.5 0.13760(2) 0. 1.
Gd3 Gd3+ 4 i 0.46635(1) 0.5 0.18763(2) 0. 1.
O1 O2- 4 i 0.1291(2) 0 0.2855(3) 0. 1.
O2 O2- 4 i 0.3248(2) 0.5 0.0267(3) 0. 1.
O3 O2- 4 i 0.2961(3) 0.5 0.3732(4) 0. 1.
O4 O2- 4 i 0.4734(2) 0 0.3431(3) 0. 1.
O5 O2- 2 b 0 0.5 0 0. 1.
#End of data_8056-ICSD


