#------------------------------------------------------------------------------
#$Date: 2025-08-04 10:03:09 +0300 (Mon, 04 Aug 2025) $
#$Revision: 301442 $
#$URL: file:///home/coder/svn-repositories/cod/cif/7/05/12/7051299.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_7051299
_journal_issue                   6
_journal_name_full               'New Journal of Chemistry'
_journal_page_first              463
_journal_page_last               470
_journal_paper_doi               10.1039/b001843k
_journal_volume                  24
_journal_year                    2000
_chemical_formula_moiety         'C6 H8 N2'
_chemical_formula_sum            'C6 H8 N2'
_chemical_formula_weight         108.14
_chemical_name_common            2,6-Dimethylpyrazine
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_cell_angle_alpha                90.00
_cell_angle_beta                 90.5250(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   7.55680(10)
_cell_length_b                   10.85520(10)
_cell_length_c                   7.44510(10)
_cell_measurement_temperature    183(2)
_cell_volume                     610.700(13)
_diffrn_ambient_temperature      183(2)
_exptl_crystal_density_diffrn    1.176
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               7051299
loop_
_symmetry_equiv_pos_as_xyz
'x, y, z'
'-x, y+1/2, -z+1/2'
'-x, -y, -z'
'x, -y-1/2, z-1/2'
loop_
_atom_site_label
_atom_site_type_symbol
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_U_iso_or_equiv
_atom_site_adp_type
_atom_site_occupancy
_atom_site_calc_flag
_atom_site_refinement_flags
_atom_site_disorder_assembly
_atom_site_disorder_group
N1 N 0.86455(17) 0.25615(10) 0.19826(16) 0.0384(4) Uani 1 d . . .
C2 C 0.7027(2) 0.23959(13) 0.12669(19) 0.0380(5) Uani 1 d . . .
C3 C 0.6394(2) 0.12126(14) 0.0895(2) 0.0438(5) Uani 1 d . . .
H3 H 0.5232 0.1125 0.0379 0.053 Uiso 1 d R . .
N4 N 0.7348(2) 0.01925(12) 0.1233(2) 0.0499(5) Uani 1 d . . .
C5 C 0.8948(2) 0.03726(14) 0.1948(2) 0.0470(5) Uani 1 d . . .
H5 H 0.9673 -0.0332 0.2211 0.056 Uiso 1 d R . .
C6 C 0.9623(2) 0.15527(14) 0.2335(2) 0.0410(5) Uani 1 d . . .
C7 C 0.5928(2) 0.35181(14) 0.0875(2) 0.0479(5) Uani 1 d . . .
H7A H 0.4770 0.3266 0.0400 0.072 Uiso 1 d R . .
H7B H 0.6531 0.4030 -0.0014 0.072 Uiso 1 d R . .
H7C H 0.5768 0.3991 0.1983 0.072 Uiso 1 d R . .
C8 C 1.1430(3) 0.17199(17) 0.3142(3) 0.0547(5) Uani 1 d . . .
H8A H 1.1681 0.2601 0.3273 0.082 Uiso 1 d R . .
H8B H 1.2314 0.1344 0.2358 0.082 Uiso 1 d R . .
H8C H 1.1477 0.1324 0.4324 0.082 Uiso 1 d R . .
loop_
_geom_bond_atom_site_label_1
_geom_bond_atom_site_label_2
_geom_bond_distance
_geom_bond_site_symmetry_2
_geom_bond_publ_flag
N1 C2 1.342(2) . ?
N1 C6 1.3456(19) . ?
C2 C3 1.397(2) . ?
C2 C7 1.5015(19) . ?
C3 N4 1.344(2) . ?
C3 H3 0.9600 . ?
N4 C5 1.331(2) . ?
C5 C6 1.408(2) . ?
C5 H5 0.9600 . ?
C6 C8 1.498(2) . ?
C7 H7A 0.9800 . ?
C7 H7B 0.9800 . ?
C7 H7C 0.9799 . ?
C8 H8A 0.9800 . ?
C8 H8B 0.9800 . ?
C8 H8C 0.9800 . ?
loop_
_cod_related_entry_id
_cod_related_entry_database
_cod_related_entry_code
1 ChemSpider 7650
