#------------------------------------------------------------------------------
#$Date: 2018-06-14 15:53:24 +0300 (Thu, 14 Jun 2018) $
#$Revision: 208377 $
#$URL: file:///home/coder/svn-repositories/cod/cif/2/00/19/2001990.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_2001990
loop_
_publ_author_name
'Shoja, M.'
'Saba, S.'
_publ_section_title
;
 1,3-Dicyanomethylhexahydropyrimidine
;
_journal_issue                   2
_journal_name_full               'Acta Crystallographica Section C'
_journal_page_first              354
_journal_page_last               355
_journal_paper_doi               10.1107/S0108270192005614
_journal_volume                  49
_journal_year                    1993
_chemical_formula_sum            'C8 H12 N4'
_chemical_formula_weight         164.21
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_cell_angle_alpha                90
_cell_angle_beta                 107.73(2)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   8.303(14)
_cell_length_b                   8.7330(10)
_cell_length_c                   12.998(2)
_cell_volume                     897.7(15)
_diffrn_radiation_type           Cu
_diffrn_radiation_wavelength     1.5418
_exptl_absorpt_coefficient_mu    0.63
_exptl_crystal_density_diffrn    1.21
_exptl_crystal_F_000             352
_cod_data_source_file            cr0398.cif
_cod_data_source_block           cr0398_structure_1_of_1
_cod_depositor_comments
;
 Updating space group information and adding the symmetry operation list.

 Antanas Vaitkus,
 2018-06-15
;
_cod_original_cell_volume        897.7(4)
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               2001990
loop_
_space_group_symop_id
_space_group_symop_operation_xyz
1 x,y,z
2 -x,y+1/2,-z+1/2
3 -x,-y,-z
4 x,-y+1/2,z+1/2
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
N(1) .5997(2) .1089(2) .42130(10)
N(2) 1.0267(3) .3770(2) .27590(10)
N(3) .8891(2) .1775(2) .46320(10)
N(4) .3418(2) .1822(2) .16190(10)
C(2) .7417(2) .1249(2) .37810(10)
C(4) .8595(2) .3275(2) .50480(10)
C(5) .7066(2) .3201(2) .54490(10)
C(6) .5558(2) .2569(2) .45830(10)
C(7) 1.0385(2) .1755(2) .4280(2)
C(8) 1.0339(2) .2874(2) .3406(2)
C(9) .4559(2) .0342(2) .34530(10)
C(10) .3882(2) .1173(2) .24080(10)
H1C7 1.053(2) .077(2) .4030(10)
H2C7 1.136(2) .203(2) .4890(10)
H1C4 .842(2) .404(2) .4490(10)
H2C4 .962(2) .355(2) .5630(10)
H1C5 .680(2) .426(2) .5670(10)
H2C5 .740(2) .254(2) .6150(10)
H1C6 .458(2) .243(2) .4870(10)
H2C6 .519(2) .338(2) .3950(10)
H1C9 .362(2) .019(2) .3790(10)
H2C9 .492(2) -.070(2) .3270(10)
H1C2 .712(2) .205(2) .3150(10)
H2C2 .766(2) .025(2) .3520(10)
loop_
_geom_bond_atom_site_label_1
_geom_bond_atom_site_label_2
_geom_bond_distance
N(1) C(2) 1.459(2)
N(1) C(6) 1.464(2)
N(1) C(9) 1.452(2)
N(2) C(8) 1.137(3)
N(3) C(2) 1.452(2)
N(3) C(4) 1.467(2)
N(3) C(7) 1.447(3)
N(4) C(19) 1.132(2)
C(4) C(5) 1.513(3)
C(5) C(6) 1.510(2)
C(7) C(8) 1.490(3)
C(9) C(10) 1.490(2)
