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#$Date: 2015-01-27 21:58:39 +0200 (Tue, 27 Jan 2015) $
#$Revision: 130149 $
#$URL: svn://www.crystallography.net/cod/cif/2/00/27/2002785.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_2002785
loop_
_publ_author_name
'Mueller-Buschbaum, Hk'
'Schrandt, O'
_publ_section_title
;
Zwei monokline Kupferoxovanadate des Magnesiums mit geordneter
Metallverteilung: m-Mg2 Cu V2 O8 und Mg Cu2 V2 O8. Ein Beitrag zur
Dimorphie von Mg2 Cu V2 O8
;
_journal_name_full
;
Zeitschrift fuer Naturforschung, Teil B. Anorganische Chemie,
Organische Chemie (42,1987-)
;
_journal_page_first              817
_journal_page_last               821
_journal_volume                  51
_journal_year                    1996
_chemical_formula_structural     'Cu2 Mg (V2 O8)'
_chemical_formula_sum            'Cu2 Mg O8 V2'
_chemical_name_systematic        'Dicopper magnesium bis(vanadate)'
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_Int_Tables_number      14
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_cell_angle_alpha                90
_cell_angle_beta                 90.44(2)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   6.453(1)
_cell_length_b                   8.342(2)
_cell_length_c                   11.517(2)
_cell_volume                     620.0
_refine_ls_R_factor_all          0.1205
_cod_database_code               2002785
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_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
Cu1 Cu2+ 4 e 0.376060(13) 0.055320(11) 0.622050(8) 1. 0 d
Cu2 Cu2+ 4 e 0.762380(14) 0.18624(1) 0.874480(8) 1. 0 d
V1 V5+ 4 e 0.60681(2) 0.088200(13) 0.13413(1) 1. 0 d
V2 V5+ 4 e 0.10466(2) 0.040880(14) 0.34853(1) 1. 0 d
Mg1 Mg2+ 4 e 0.10721(3) 0.16283(2) 0.05188(2) 1. 0 d
O1 O2- 4 e -0.08245(7) -0.10387(6) 0.38204(5) 1. 0 d
O2 O2- 4 e 1.03949(8) 0.26631(6) 0.89474(5) 1. 0 d
O3 O2- 4 e 0.12825(8) 0.03976(6) 0.20342(4) 1. 0 d
O4 O2- 4 e 0.42017(7) 0.21622(6) 0.08504(4) 1. 0 d
O5 O2- 4 e 0.51088(7) -0.09620(6) 0.14307(4) 1. 0 d
O6 O2- 4 e 0.81044(7) 0.07837(6) 0.03100(4) 1. 0 d
O7 O2- 4 e 0.68236(8) 0.36537(6) 0.77657(4) 1. 0 d
O8 O2- 4 e 0.33651(8) -0.01193(6) 0.40836(5) 1. 0 d
loop_
_atom_type_symbol
_atom_type_oxidation_number
Cu2+ 2.000
V5+ 5.000
Mg2+ 2.000
O2- -2.000
