#------------------------------------------------------------------------------
#$Date: 2015-01-27 19:58:39 +0000 (Tue, 27 Jan 2015) $
#$Revision: 130149 $
#$URL: svn://www.crystallography.net/cod/cif/1/00/50/1005019.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_1005019
loop_
_publ_author_name
'Yamane, H'
'DiSalvo, F J'
_publ_section_title
;
Synthesis and crystal structure of Sr2 Zn N2 and Ba2 Zn N2
;
_journal_coden_ASTM              JSSCBI
_journal_name_full               'Journal of Solid State Chemistry'
_journal_page_first              375
_journal_page_last               379
_journal_paper_doi               10.1016/0022-4596(95)80055-T
_journal_volume                  119
_journal_year                    1995
_chemical_formula_structural     'Sr2 (Zn N2)'
_chemical_formula_sum            'N2 Sr2 Zn'
_chemical_name_systematic        'Strontium dinitridozincate'
_space_group_IT_number           139
_symmetry_cell_setting           tetragonal
_symmetry_Int_Tables_number      139
_symmetry_space_group_name_Hall  '-I 4 2'
_symmetry_space_group_name_H-M   'I 4/m m m'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   3.8568(2)
_cell_length_b                   3.8568(2)
_cell_length_c                   12.935(1)
_cell_volume                     192.4
_refine_ls_R_factor_all          0.049
_cod_database_code               1005019
loop_
_symmetry_equiv_pos_as_xyz
x,y,z
-x,-y,z
-x,y,z
x,-y,z
-y,x,z
y,-x,z
y,x,z
-y,-x,z
-x,-y,-z
x,y,-z
x,-y,-z
-x,y,-z
y,-x,-z
-y,x,-z
-y,-x,-z
y,x,-z
1/2+x,1/2+y,1/2+z
1/2-x,1/2-y,1/2+z
1/2-x,1/2+y,1/2+z
1/2+x,1/2-y,1/2+z
1/2-y,1/2+x,1/2+z
1/2+y,1/2-x,1/2+z
1/2+y,1/2+x,1/2+z
1/2-y,1/2-x,1/2+z
1/2-x,1/2-y,1/2-z
1/2+x,1/2+y,1/2-z
1/2+x,1/2-y,1/2-z
1/2-x,1/2+y,1/2-z
1/2+y,1/2-x,1/2-z
1/2-y,1/2+x,1/2-z
1/2-y,1/2-x,1/2-z
1/2+y,1/2+x,1/2-z
loop_
_atom_site_aniso_label
_atom_site_aniso_U_11
_atom_site_aniso_U_12
_atom_site_aniso_U_13
_atom_site_aniso_U_22
_atom_site_aniso_U_23
_atom_site_aniso_U_33
Sr1 0.007(1) 0. 0. 0.007(1) 0. 0.008(1)
Zn1 0.010(2) 0. 0. 0.010(2) 0. 0.006(2)
N1 0.010(5) 0. 0. 0.016(5) 0. 0.002(6)
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
Sr1 Sr2+ 4 e 0. 0. 0.3409(1) 1. 0 d
Zn1 Zn2+ 2 a 0. 0. 0. 1. 0 d
N1 N3- 4 e 0. 0. 0.1449(12) 1. 0 d
loop_
_atom_type_symbol
_atom_type_oxidation_number
Sr2+ 2.000
Zn2+ 2.000
N3- -3.000