#------------------------------------------------------------------------------
#$Date: 2016-02-13 14:50:18 +0200 (Sat, 13 Feb 2016) $
#$Revision: 176428 $
#$URL: svn://www.crystallography.net/cod/cif/2/31/04/2310460.cif $
#------------------------------------------------------------------------------
#
# This file is available in the Crystallography Open Database (COD),
# http://www.crystallography.net/. The original data for this entry
# were provided by IUCr Journals, http://journals.iucr.org/.
#
# The file may be used within the scientific community so long as
# proper attribution is given to the journal article from which the
# data were obtained.
#
data_2310460
loop_
_publ_author_name
'Parkes, A.S.'
'Hughes, R.E.'
_publ_section_title
;
 The crystal structure of cyanogen
;
_journal_name_full               'Acta Crystallographica (1,1948-23,1967)'
_journal_page_first              734
_journal_page_last               736
_journal_volume                  16
_journal_year                    1963
_chemical_formula_sum            'C2 N2'
_chemical_name_systematic        'N C C N'
_space_group_IT_number           61
_symmetry_space_group_name_Hall  '-P 2bc 2ac'
_symmetry_space_group_name_H-M   'P c a b'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   6.31
_cell_length_b                   7.08
_cell_length_c                   6.19
_cell_volume                     276.537
_citation_journal_id_ASTM        ACCRA9
_cod_data_source_file            Parkes_ACCRA9_1963_1710.cif
_cod_data_source_block           C2N2
_cod_original_sg_symbol_Hall     '-P 2ac 2ab (z,y,-x)'
_cod_database_code               2310460
loop_
_symmetry_equiv_pos_as_xyz
x,y,z
x+1/2,-y,-z+1/2
-x,-y+1/2,z+1/2
-x+1/2,y+1/2,-z
-x,-y,-z
-x-1/2,y,z-1/2
x,y-1/2,-z-1/2
x-1/2,-y-1/2,z
loop_
_atom_site_label
_atom_site_type_symbol
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_occupancy
_atom_site_U_iso_or_equiv
C1 C 0.0327 0.0483 0.09 1 0.0
N1 N 0.0857 0.1271 0.2386 1 0.0
