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#$Date: 2020-07-30 10:49:49 +0300 (Thu, 30 Jul 2020) $
#$Revision: 254669 $
#$URL: file:///home/coder/svn-repositories/cod/cif/4/00/28/4002811.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_4002811
loop_
_publ_author_name
'Wang, Zhenbin'
'Chu, Iek-Heng'
'Zhou, Fei'
'Ong, Shyue Ping'
_publ_section_title
;
 Electronic Structure Descriptor for the Discovery of Narrow-Band
 Red-Emitting Phosphors
;
_journal_issue                   11
_journal_name_full               'Chemistry of Materials'
_journal_page_first              4024
_journal_paper_doi               10.1021/acs.chemmater.6b01496
_journal_volume                  28
_journal_year                    2016
_chemical_formula_structural     CaSiN2
_chemical_formula_sum            'Ca4 N8 Si4'
_space_group_IT_number           122
_symmetry_Int_Tables_number      122
_symmetry_space_group_name_Hall  'I -4 2bw'
_symmetry_space_group_name_H-M   'I -4 2 d'
_cell_angle_alpha                90.00000000
_cell_angle_beta                 90.00000000
_cell_angle_gamma                90.00000000
_cell_formula_units_Z            4
_cell_length_a                   5.25472770
_cell_length_b                   5.25472770
_cell_length_c                   7.10296794
_cell_volume                     196.128
_cod_data_source_file            58.cif
_cod_data_source_block           CaSiN2
_cod_original_cell_volume        196.128309972
_cod_original_sg_symbol_H-M      I-42d
_cod_original_formula_sum        'Ca4 Si4 N8'
_cod_database_code               4002811
loop_
_symmetry_equiv_pos_site_id
_symmetry_equiv_pos_as_xyz
1 'x, y, z'
2 '-y+1/2, x+1/2, -z+1/2'
3 '-x, -y, z'
4 'y+1/2, -x+1/2, -z+1/2'
5 'x+1/2, -y, -z+3/4'
6 '-y+1/2, -x, z+3/4'
7 '-x+1/2, y, -z+3/4'
8 'y+1/2, x, z+3/4'
9 'x+1/2, y+1/2, z+1/2'
10 '-y, x, -z'
11 '-x+1/2, -y+1/2, z+1/2'
12 'y, -x, -z'
13 'x, -y+1/2, -z+1/4'
14 '-y, -x+1/2, z+1/4'
15 '-x, y+1/2, -z+1/4'
16 'y, x+1/2, z+1/4'
loop_
_atom_site_aniso_type_symbol
_atom_site_aniso_U_11
_atom_site_aniso_U_22
_atom_site_aniso_U_33
_atom_site_aniso_U_12
_atom_site_aniso_U_13
_atom_site_aniso_U_23
Ca 0 0 0 0 0 0
Si 0 0 0 0 0 0
N 0 0 0 0 0 0
loop_
_atom_site_type_symbol
_atom_site_label
_atom_site_symmetry_multiplicity
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_occupancy
Ca Ca1 4 0.000000 0.000000 0.500000 1
Si Si2 4 0.000000 0.000000 0.000000 1
N N3 8 0.147280 0.250000 0.125000 1
_cod_struct_determination_method theoretical
