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#$Date: 2010-01-30 15:59:17 +0200 (Sat, 30 Jan 2010) $
#$Revision: 966 $
#$URL: file:///home/coder/svn-repositories/cod/cif/1/1008790.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_1008790
loop_
_publ_author_name
'Bordet, P'
'McHale, A'
'Santoro, A'
'Roth, R S'
_publ_section_title
;
Powder neutron diffraction study of Zr Ti O4, Zr5 Ti7 O24 and Fe Nb2 O6
;
_journal_coden_ASTM              JSSCBI
_journal_name_full               'Journal of Solid State Chemistry'
_journal_page_first              30
_journal_page_last               46
_journal_volume                  64
_journal_year                    1986
_chemical_compound_source
;
synthetic from oxides, quenched from above 1423K
;
_chemical_formula_structural     '(Zr.5 Ti.5) O2'
_chemical_formula_sum            'O2 Ti0.5 Zr0.5'
_chemical_name_mineral           Srilankite
_chemical_name_systematic        'Zirconium titanium oxide (0.5/0.5/2) - HT'
_symmetry_cell_setting           orthorhombic
_symmetry_Int_Tables_number      60
_symmetry_space_group_name_H-M   'P b c n'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   4.8042(2)
_cell_length_b                   5.4825(3)
_cell_length_c                   5.0313(2)
_cell_volume                     132.5
_exptl_crystal_density_meas      5.06
_exptl_crystal_thermal_history   'quenched from above 1423K'
_refine_ls_R_factor_all          0.0779
_[local]_cod_chemical_formula_sum_orig 'O2 Ti.5 Zr.5'
loop_
_symmetry_equiv_pos_as_xyz
x,y,z
1/2-x,1/2-y,1/2+z
1/2+x,1/2-y,-z
-x,y,1/2-z
-x,-y,-z
1/2+x,1/2+y,1/2-z
1/2-x,1/2+y,z
x,-y,1/2+z
loop_
_atom_type_symbol
_atom_type_oxidation_number
Zr4+ 4.000
Ti4+ 4.000
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
Zr1 Zr4+ 4 c 0. 0.265(1) 0.25 0.5 0 d
Ti1 Ti4+ 4 c 0. 0.265 0.25 0.5 0 d
O1 O2- 8 d 0.2704(4) 0.1004(3) 0.0700(3) 1. 0 d
_cod_database_code 1008790