#------------------------------------------------------------------------------
#$Date: 2022-05-12 04:39:41 +0300 (Thu, 12 May 2022) $
#$Revision: 275356 $
#$URL: file:///home/coder/svn-repositories/cod/cif/2/10/89/2108976.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_2108976
loop_
_publ_author_name
'Aree, Thammarat'
'McMonagle, Charles J.'
'Michalchuk, Adam A. L.'
'Chernyshov, Dmitry'
_publ_section_title
;
 Low-frequency lattice vibrations from atomic displacement parameters of
 α-FOX-7, a high energy density material
;
_journal_coeditor_code           WU5002
_journal_issue                   3
_journal_name_full               'Acta Crystallographica Section B'
_journal_page_first
;
;
_journal_paper_doi               10.1107/S2052520622002700
_journal_volume                  78
_journal_year                    2022
_chemical_formula_moiety         'C2 H4 N4 O4'
_chemical_formula_sum            'C2 H4 N4 O4'
_chemical_formula_weight         148.079
_chemical_name_systematic        1,1-Diamino-2,2-dinitroethylene
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        'P 1 21/n 1'
_atom_sites_solution_primary     notdet
_audit_creation_method
;
Olex2 1.3
(compiled 2020.11.12 svn.r5f609507 for OlexSys, GUI svn.r6408)
;
_cell_angle_alpha                90
_cell_angle_beta                 90.618(2)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   6.94840(10)
_cell_length_b                   6.6942(2)
_cell_length_c                   11.3547(4)
_cell_measurement_reflns_used    670
_cell_measurement_temperature    360
_cell_measurement_theta_max      28.8250
_cell_measurement_theta_min      3.2960
_cell_volume                     528.12(3)
_computing_cell_refinement
;
CrysAlisPro 1.171.40.67a (Rigaku OD, 2019)
;
_computing_data_collection
;
CrysAlisPro 1.171.40.67a (Rigaku OD, 2019)
;
_computing_data_reduction
;
CrysAlisPro 1.171.40.67a (Rigaku OD, 2019)
;
_computing_molecular_graphics
;
Olex2 1.3 (Dolomanov et al.,  2009)
;
_computing_publication_material
;
Olex2 1.3 (Dolomanov et al.,  2009)
;
_computing_structure_refinement
;
olex2.refine 1.3 (Bourhis et al.,  2015)
;
_diffrn_ambient_temperature      360.0
_diffrn_detector                 'Hybrid Pixel Array Detector'
_diffrn_detector_area_resol_mean 5.8140
_diffrn_measured_fraction_theta_full 0.9065
_diffrn_measured_fraction_theta_max 0.6651
_diffrn_measurement_device       'one-circle diffractometer'
_diffrn_measurement_device_type  PILATUS@SNBL
_diffrn_measurement_method       'ω scans'
_diffrn_radiation_monochromator  'silicon 111'
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           synchrotron
_diffrn_radiation_wavelength     0.66418
_diffrn_reflns_av_R_equivalents  0.0500
_diffrn_reflns_av_unetI/netI     0.0685
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            4982
_diffrn_reflns_theta_full        23.4849
_diffrn_reflns_theta_max         32.87
_diffrn_reflns_theta_min         3.20
_diffrn_source
;
European Synchrotron Radiation Facility (ESRF), BM01 - The Swiss-Norwegian
Beamlines
;
_exptl_absorpt_coefficient_mu    0.149
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.38485
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro 1.171.40.67a (Rigaku OD, 2019)
Empirical absorption correction using spherical harmonics,
implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            'clear yellow'
_exptl_crystal_density_diffrn    1.862
_exptl_crystal_description       block
_exptl_crystal_F_000             304.164
_exptl_crystal_size_max          0.2
_exptl_crystal_size_mid          0.1
_exptl_crystal_size_min          0.1
_refine_diff_density_max         0.6812
_refine_diff_density_min         -0.5005
_refine_ls_goodness_of_fit_ref   1.0073
_refine_ls_hydrogen_treatment    refall
_refine_ls_matrix_type           full
_refine_ls_number_constraints    0
_refine_ls_number_parameters     127
_refine_ls_number_reflns         1607
_refine_ls_number_restraints     93
_refine_ls_restrained_S_all      0.9771
_refine_ls_R_factor_all          0.1182
_refine_ls_R_factor_gt           0.0949
_refine_ls_shift/su_max          0.0001
_refine_ls_shift/su_mean         0.0000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[σ²(Fo²)+(0.1986P)²] where P=(Fo²+2Fc²)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2478
_refine_ls_wR_factor_ref         0.2870
_reflns_number_gt                1029
_reflns_number_total             1607
_reflns_threshold_expression     I>=2u(I)
_cod_data_source_file            wu5002sup1.cif
_cod_data_source_block           360
_cod_database_code               2108976
loop_
_space_group_symop_id
_space_group_symop_operation_xyz
1 x,y,z
2 -x+1/2,y+1/2,-z+1/2
3 -x,-y,-z
4 x-1/2,-y-1/2,z-1/2
loop_
_atom_site_type_symbol
_atom_site_label
_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
O O12 0.5811(3) 0.7039(4) 0.5815(2) 0.0648(7) Uani 1.000000
O O11 0.5241(3) 0.5661(3) 0.74855(19) 0.0551(6) Uani 1.000000
O O22 0.1994(3) 0.6692(3) 0.83421(18) 0.0593(6) Uani 1.000000
O O21 -0.0149(2) 0.5665(3) 0.71274(18) 0.0567(6) Uani 1.000000
N N12 0.1474(3) 0.6327(3) 0.73299(18) 0.0417(6) Uani 1.000000
N N11 0.4658(3) 0.6483(3) 0.65797(19) 0.0422(6) Uani 1.000000
N N22 -0.0004(3) 0.7540(3) 0.5100(2) 0.0470(6) Uani 1.000000
H H22a -0.060(6) 0.795(6) 0.431(4) 0.058(9) Uani 1.000000
H H22b -0.106(7) 0.720(7) 0.578(4) 0.065(11) Uani 1.000000
N N21 0.2995(4) 0.7985(4) 0.4401(2) 0.0564(7) Uani 1.000000
H H21a 0.236(6) 0.840(7) 0.369(4) 0.078(13) Uani 1.000000
H H21b 0.431(6) 0.799(6) 0.462(4) 0.062(10) Uani 1.000000
C C2 0.1881(3) 0.7415(3) 0.5267(2) 0.0379(6) Uani 1.000000
C C1 0.2707(3) 0.6726(3) 0.6359(2) 0.0397(6) Uani 1.000000
loop_
_atom_type_symbol
_atom_type_scat_dispersion_source
_atom_type_scat_dispersion_real
_atom_type_scat_dispersion_imag
_atom_type_scat_source
H custom 0.00000 0.00000 'NoSpherA2: Chem.Sci. 2021, DOI:10.1039/D0SC05526C'
C custom 0.00280 0.00140 'NoSpherA2: Chem.Sci. 2021, DOI:10.1039/D0SC05526C'
O custom 0.00970 0.00540 'NoSpherA2: Chem.Sci. 2021, DOI:10.1039/D0SC05526C'
N custom 0.00560 0.00290 'NoSpherA2: Chem.Sci. 2021, DOI:10.1039/D0SC05526C'
loop_
_geom_angle_atom_site_label_1
_geom_angle_atom_site_label_2
_geom_angle_atom_site_label_3
_geom_angle_site_symmetry_1
_geom_angle_site_symmetry_3
_geom_angle
_geom_angle_publ_flag
O21 N12 O22 . . 120.5(2) ?
C1 N12 O22 . . 120.87(19) ?
C1 N12 O21 . . 118.6(2) ?
O11 N11 O12 . . 120.5(2) ?
C1 N11 O12 . . 118.4(2) ?
C1 N11 O11 . . 121.0(2) ?
N21 C2 N22 . . 117.6(2) ?
C1 C2 N22 . . 122.0(2) ?
C1 C2 N21 . . 120.4(2) ?
N11 C1 N12 . . 115.6(2) ?
C2 C1 N12 . . 119.24(19) ?
C2 C1 N11 . . 125.1(2) ?
loop_
_geom_bond_atom_site_label_1
_geom_bond_atom_site_label_2
_geom_bond_site_symmetry_2
_geom_bond_distance
_geom_bond_publ_flag
O12 N11 . 1.245(3) ?
O11 N11 . 1.231(3) ?
O22 N12 . 1.226(3) ?
O21 N12 . 1.231(2) ?
N12 C1 . 1.428(3) ?
N11 C1 . 1.385(3) ?
N22 C2 . 1.324(3) ?
N21 C2 . 1.315(4) ?
C2 C1 . 1.437(3) ?
loop_
_geom_torsion_atom_site_label_1
_geom_torsion_atom_site_label_2
_geom_torsion_atom_site_label_3
_geom_torsion_atom_site_label_4
_geom_torsion_site_symmetry_1
_geom_torsion_site_symmetry_2
_geom_torsion_site_symmetry_3
_geom_torsion_site_symmetry_4
_geom_torsion
_geom_torsion_publ_flag
O12 N11 C1 N12 . . . . -171.5(2) ?
O12 N11 C1 C2 . . . . 5.8(3) ?
O11 N11 C1 N12 . . . . 11.6(2) ?
O11 N11 C1 C2 . . . . -171.1(2) ?
O22 N12 C1 N11 . . . . 33.4(2) ?
O22 N12 C1 C2 . . . . -144.0(2) ?
O21 N12 C1 N11 . . . . -148.8(2) ?
O21 N12 C1 C2 . . . . 33.8(2) ?
N12 C1 C2 N22 . . . . -5.6(2) ?
N12 C1 C2 N21 . . . . 173.1(2) ?
N11 C1 C2 N22 . . . . 177.3(2) ?
N11 C1 C2 N21 . . . . -4.0(3) ?
