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#$Date: 2016-02-20 02:53:41 +0200 (Sat, 20 Feb 2016) $
#$Revision: 176768 $
#$URL: svn://www.crystallography.net/cod/cif/2/10/07/2100743.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_2100743
loop_
_publ_author_name
'Pickering, M.'
'Rylance, J.'
'Small, R. W. H.'
'Stubley, D.'
_publ_section_title
;
 The ordered and disordered phases of three unsymmetrical cyclic
 nitramines: (I), 1,3-dinitro-1,3-diazacyclohexane; (II),
 1,3-dinitro-1,3-diazacycloheptane; (III),
 1,5-dinitro-3-nitroso-1,3,5-triazacycloheptane
;
_journal_issue                   5
_journal_name_full               'Acta Crystallographica Section B'
_journal_page_first              782
_journal_page_last               789
_journal_paper_doi               10.1107/S0108768191006420
_journal_volume                  47
_journal_year                    1991
_chemical_formula_sum            'C4 H8 N4 O4'
_chemical_formula_weight         176.13
_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
_cell_angle_beta                 120.00(10)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   6.630(10)
_cell_length_b                   21.39(2)
_cell_length_c                   6.060(10)
_cell_volume                     744(2)
_diffrn_radiation_type           Mo
_diffrn_radiation_wavelength     0.7107
_exptl_absorpt_coefficient_mu    0.095
_exptl_crystal_density_diffrn    1.572
_exptl_crystal_density_meas      1.570
_exptl_crystal_F_000             368.0
_cod_data_source_file            li0078.cif
_cod_data_source_block           li0078a
_cod_original_cell_volume        744.26
_cod_database_code               2100743
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_U_iso_or_equiv
C(1) -.0540(7) .6037(2) -.1722(7) .058(3)
C(2) .2506(7) .6842(2) -.0797(9) .062(4)
C(3) .4264(6) .6429(2) .1261(8) .061(4)
C(4) .3584(7) .5750(2) .0750(9) .061(4)
N(1) .0185(5) .66930(10) -.1202(6) .062(3)
N(2) .1207(5) .56590(10) .0318(6) .054(3)
N(3) .1001(7) .56340(10) .2486(7) .065(3)
N(4) -.1452(5) .7139(2) -.1886(5) .059(3)
O(1) .2723(7) .5477(2) .4462(6) .101(4)
O(2) -.0917(6) .57260(10) .2235(7) .087(4)
O(3) -.3441(5) .6975(2) -.2574(6) .080(3)
O(4) -.0798(5) .76880(10) -.1667(5) .075(3)
H(1) -.059(5) .590(2) -.318(7) ?
H(2) -.206(6) .598(2) -.191(6) ?
H(3) .245(8) .672(2) -.231(9) ?
H(4) .283(8) .725(3) -.032(10) ?
H(5) .580(6) .650(2) .148(6) ?
H(6) .444(7) .655(2) .297(9) ?
H(7) .457(6) .548(2) .198(7) ?
H(8) .351(7) .561(2) -.091(8) ?
loop_
_geom_bond_atom_site_label_1
_geom_bond_atom_site_label_2
_geom_bond_distance
C(1) N(1) 1.466(5)
C(1) N(2) 1.446(5)
C(2) N(1) 1.467(5)
C(2) C(3) 1.497(5)
C(3) C(4) 1.507(5)
C(4) N(2) 1.475(5)
N(1) N(4) 1.345(4)
N(2) N(3) 1.388(4)
N(3) O(1) 1.218(4)
N(3) O(2) 1.219(4)
N(4) O(3) 1.219(4)
N(4) O(4) 1.236(4)
