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#$Date: 2025-08-18 17:33:07 +0200 (Mon 18 de Aug de 2025) $
#$Revision: 301779 $
#$URL: svn://www.crystallography.net/cod/cif/1/54/74/1547448.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_1547448
loop_
_publ_author_name
'Anuradha R. Pallipurath'
'Jonathan M. Skelton'
'Mark R. Warren'
'Naghmeh Kamali'
'Patrick McArdle'
'Andrea Erxleben'
_publ_section_title
;
 Sulfamerazine: Understanding the Influence of Slip Planes in the
 Polymorphic Phase Transformation through X-Ray Crystallographic Studies
 and ab Initio Lattice Dynamics
;
_journal_name_full               'Molecular Pharmaceutics'
_journal_page_first              3735
_journal_page_last               3748
_journal_paper_doi               10.1021/acs.molpharmaceut.5b00504
_journal_volume                  12
_journal_year                    2015
_chemical_formula_moiety         'C11 H12 N4 O2 S'
_chemical_formula_sum            'C11 H12 N4 O2 S'
_chemical_formula_weight         264.31
_chemical_name_common            Sulfamerazine
_chemical_name_systematic        4-amino-N-(4-methylpyrimidin-2-yl)
_space_group_crystal_system      orthorhombic
_space_group_IT_number           61
_space_group_name_Hall           '-P 2ac 2ab'
_space_group_name_H-M_alt        'P b c a'
_symmetry_space_group_name_Hall  '-P 2ac 2ab'
_symmetry_space_group_name_H-M   'P b c a'
_atom_sites_solution_hydrogens   mixed
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   9.1311(3)
_cell_length_b                   11.6667(2)
_cell_length_c                   22.8800(4)
_cell_measurement_reflns_used    7669
_cell_measurement_temperature    260
_cell_measurement_theta_max      29.5360
_cell_measurement_theta_min      1.7270
_cell_volume                     2437.40(10)
_computing_cell_refinement
;
CrysAlisPro, Agilent Technologies,
Version 1.171.37.34 (release 22-05-2014 CrysAlis171 .NET)
(compiled May 22 2014,16:03:01)
;
_computing_data_collection
;
CrysAlisPro, Agilent Technologies,
Version 1.171.37.34 (release 22-05-2014 CrysAlis171 .NET)
(compiled May 22 2014,16:03:01)
;
_computing_data_reduction
;
CrysAlisPro, Agilent Technologies,
Version 1.171.37.34 (release 22-05-2014 CrysAlis171 .NET)
(compiled May 22 2014,16:03:01)
;
_computing_molecular_graphics    OSCAIL
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_computing_structure_solution    SHELXT
_diffrn_ambient_temperature      260
_diffrn_measured_fraction_theta_full 0.990
_diffrn_measured_fraction_theta_max 0.973
_diffrn_measurement_device       'CrystalLogic Kappa (3 circle)'
_diffrn_measurement_device_type  'Rigaku Saturn724+ (2x2 bin mode)'
_diffrn_measurement_method
;
omega rotation with 1 degree frames
;
_diffrn_measurement_specimen_support 'MiTeGen loop'
_diffrn_radiation_monochromator  'double crystal Silicon 111'
_diffrn_radiation_source         'Diamond Light Source Beamline I19'
_diffrn_radiation_type           Synchrotron
_diffrn_radiation_wavelength     0.68890
_diffrn_reflns_av_R_equivalents  0.0730
_diffrn_reflns_av_unetI/netI     0.0431
_diffrn_reflns_Laue_measured_fraction_full 0.990
_diffrn_reflns_Laue_measured_fraction_max 0.973
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       32
_diffrn_reflns_limit_l_min       -31
_diffrn_reflns_number            21767
_diffrn_reflns_point_group_measured_fraction_full 0.990
_diffrn_reflns_point_group_measured_fraction_max 0.973
_diffrn_reflns_theta_full        24.415
_diffrn_reflns_theta_max         29.471
_diffrn_reflns_theta_min         1.725
_exptl_absorpt_coefficient_mu    0.266
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.96325
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro, Agilent Technologies,
Version 1.171.36.28 (release 01-02-2013 CrysAlis171 .NET)
Empirical absorption correction using spherical harmonics,
implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            Colourless
_exptl_crystal_density_diffrn    1.441
_exptl_crystal_description       Parallelepiped
_exptl_crystal_F_000             1104
_exptl_crystal_size_max          0.50
_exptl_crystal_size_mid          0.40
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.268
_refine_diff_density_min         -0.391
_refine_diff_density_rms         0.056
_refine_ls_extinction_coef       .
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.986
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     176
_refine_ls_number_reflns         3617
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.986
_refine_ls_R_factor_all          0.0767
_refine_ls_R_factor_gt           0.0506
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[σ²(Fo²)+(0.0463P)²+1.4827P] where P=(Fo²+2Fc²)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1140
_refine_ls_wR_factor_ref         0.1323
_reflns_Friedel_coverage         0.000
_reflns_Friedel_fraction_full    .
_reflns_Friedel_fraction_max     .
_reflns_number_gt                2528
_reflns_number_total             3617
_reflns_threshold_expression     'I > 2σ(I)'
_cod_data_source_file            Exp_Form-II2FSynchrotron_Form-II_260K.cif
_cod_data_source_block           260k_smz-f2_a
_cod_database_code               1547448
_shelx_space_group_comment
;
The symmetry employed for this shelxl refinement is uniquely defined
by the following loop, which should always be used as a source of
symmetry information in preference to the above space-group names.
They are only intended as comments.
;
_shelx_estimated_absorpt_t_min   0.879
_shelx_estimated_absorpt_t_max   0.949
loop_
_space_group_symop_operation_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_U_iso_or_equiv
_atom_site_adp_type
_atom_site_occupancy
_atom_site_site_symmetry_order
_atom_site_calc_flag
_atom_site_refinement_flags_posn
_atom_site_refinement_flags_adp
_atom_site_refinement_flags_occupancy
_atom_site_disorder_assembly
_atom_site_disorder_group
S1 S 0.33260(6) 0.34656(4) 0.38977(2) 0.03500(15) Uani 1 1 d . . . . .
O2 O 0.19790(16) 0.39708(13) 0.40961(6) 0.0430(4) Uani 1 1 d . . . . .
O1 O 0.34232(19) 0.22468(12) 0.38628(6) 0.0462(4) Uani 1 1 d . . . . .
N4 N 0.6658(2) 0.42625(15) 0.48541(7) 0.0390(4) Uani 1 1 d . . . . .
N3 N 0.6554(2) 0.28601(14) 0.40910(8) 0.0401(4) Uani 1 1 d . . . . .
N2 N 0.4513(2) 0.39472(15) 0.43764(8) 0.0384(4) Uani 1 1 d . . . . .
N1 N 0.4565(3) 0.5329(2) 0.15529(9) 0.0556(6) Uani 1 1 d . . . . .
C1 C 0.3759(2) 0.40426(16) 0.32186(8) 0.0360(4) Uani 1 1 d . . . . .
C2 C 0.4489(3) 0.33841(19) 0.28051(10) 0.0475(6) Uani 1 1 d . . . . .
H2 H 0.4783 0.2643 0.2897 0.062 Uiso 1 1 calc R U . . .
C3 C 0.4778(3) 0.38272(19) 0.22592(10) 0.0501(6) Uani 1 1 d . . . . .
H3 H 0.5277 0.3382 0.1987 0.065 Uiso 1 1 calc R U . . .
C4 C 0.4333(3) 0.49338(18) 0.21071(9) 0.0421(5) Uani 1 1 d . . . . .
C5 C 0.3604(3) 0.55890(17) 0.25317(10) 0.0444(5) Uani 1 1 d . . . . .
H5 H 0.3299 0.6328 0.2441 0.058 Uiso 1 1 calc R U . . .
C6 C 0.3334(2) 0.51546(17) 0.30812(9) 0.0393(5) Uani 1 1 d . . . . .
H6 H 0.2868 0.5605 0.3360 0.051 Uiso 1 1 calc R U . . .
C7 C 0.5975(2) 0.36638(16) 0.44335(8) 0.0343(4) Uani 1 1 d . . . . .
C8 C 0.8076(3) 0.4010(2) 0.49294(10) 0.0455(5) Uani 1 1 d . . . . .
H8 H 0.8598 0.4399 0.5216 0.059 Uiso 1 1 calc R U . . .
C9 C 0.8787(3) 0.3203(2) 0.46020(10) 0.0457(5) Uani 1 1 d . . . . .
H9 H 0.9776 0.3049 0.4659 0.059 Uiso 1 1 calc R U . . .
C10 C 0.7984(3) 0.26240(18) 0.41823(10) 0.0432(5) Uani 1 1 d . . . . .
C11 C 0.8656(3) 0.1695(2) 0.38182(12) 0.0620(7) Uani 1 1 d . . . . .
H11A H 0.8205 0.0975 0.3912 0.081 Uiso 1 1 calc R U . . .
H11B H 0.9687 0.1653 0.3898 0.081 Uiso 1 1 calc R U . . .
H11C H 0.8506 0.1862 0.3412 0.081 Uiso 1 1 calc R U . . .
H1N2 H 0.418(3) 0.447(2) 0.4593(11) 0.049(7) Uiso 1 1 d . . . . .
H1N1 H 0.511(3) 0.495(2) 0.1353(12) 0.054(8) Uiso 1 1 d . . . . .
H2N1 H 0.454(3) 0.603(3) 0.1484(13) 0.069(9) Uiso 1 1 d . . . . .
loop_
_atom_type_symbol
_atom_type_description
_atom_type_scat_dispersion_real
_atom_type_scat_dispersion_imag
_atom_type_scat_source
C C 0.0033 0.0016 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4'
H H 0.0000 0.0000 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4'
N N 0.0061 0.0033 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4'
O O 0.0106 0.0060 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4'
S S 0.1246 0.1234 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4'
loop_
_geom_angle_atom_site_label_1
_geom_angle_atom_site_label_2
_geom_angle_atom_site_label_3
_geom_angle
_geom_angle_site_symmetry_1
_geom_angle_site_symmetry_3
O1 S1 O2 118.65(10) . .
O1 S1 N2 109.73(9) . .
O2 S1 N2 102.36(9) . .
O1 S1 C1 108.77(9) . .
O2 S1 C1 108.53(10) . .
N2 S1 C1 108.30(10) . .
C8 N4 C7 115.24(18) . .
C7 N3 C10 115.86(19) . .
C7 N2 S1 128.30(14) . .
C7 N2 H1N2 118.0(18) . .
S1 N2 H1N2 113.6(18) . .
C4 N1 H1N1 116.1(19) . .
C4 N1 H2N1 120(2) . .
H1N1 N1 H2N1 116(3) . .
C2 C1 C6 119.73(18) . .
C2 C1 S1 120.23(16) . .
C6 C1 S1 120.01(15) . .
C3 C2 C1 120.1(2) . .
C3 C2 H2 119.9 . .
C1 C2 H2 119.9 . .
C2 C3 C4 121.1(2) . .
C2 C3 H3 119.4 . .
C4 C3 H3 119.4 . .
N1 C4 C3 119.9(2) . .
N1 C4 C5 122.1(2) . .
C3 C4 C5 117.94(19) . .
C6 C5 C4 121.05(19) . .
C6 C5 H5 119.5 . .
C4 C5 H5 119.5 . .
C5 C6 C1 119.99(18) . .
C5 C6 H6 120.0 . .
C1 C6 H6 120.0 . .
N3 C7 N4 127.2(2) . .
N3 C7 N2 119.75(18) . .
N4 C7 N2 113.07(17) . .
N4 C8 C9 122.7(2) . .
N4 C8 H8 118.6 . .
C9 C8 H8 118.6 . .
C8 C9 C10 117.7(2) . .
C8 C9 H9 121.2 . .
C10 C9 H9 121.2 . .
N3 C10 C9 121.3(2) . .
N3 C10 C11 117.2(2) . .
C9 C10 C11 121.4(2) . .
C10 C11 H11A 109.5 . .
C10 C11 H11B 109.5 . .
H11A C11 H11B 109.5 . .
C10 C11 H11C 109.5 . .
H11A C11 H11C 109.5 . .
H11B C11 H11C 109.5 . .
loop_
_geom_bond_atom_site_label_1
_geom_bond_atom_site_label_2
_geom_bond_distance
_geom_bond_site_symmetry_2
S1 O1 1.4268(15) .
S1 O2 1.4374(16) .
S1 N2 1.6402(18) .
S1 C1 1.739(2) .
N4 C8 1.339(3) .
N4 C7 1.343(2) .
N3 C7 1.331(2) .
N3 C10 1.351(3) .
N2 C7 1.382(3) .
N2 H1N2 0.84(3) .
N1 C4 1.366(3) .
N1 H1N1 0.81(3) .
N1 H2N1 0.84(3) .
C1 C2 1.389(3) .
C1 C6 1.390(3) .
C2 C3 1.377(3) .
C2 H2 0.9300 .
C3 C4 1.397(3) .
C3 H3 0.9300 .
C4 C5 1.404(3) .
C5 C6 1.378(3) .
C5 H5 0.9300 .
C6 H6 0.9300 .
C8 C9 1.367(3) .
C8 H8 0.9300 .
C9 C10 1.385(3) .
C9 H9 0.9300 .
C10 C11 1.498(3) .
C11 H11A 0.9600 .
C11 H11B 0.9600 .
C11 H11C 0.9600 .
loop_
_geom_hbond_atom_site_label_D
_geom_hbond_atom_site_label_H
_geom_hbond_atom_site_label_A
_geom_hbond_distance_DH
_geom_hbond_distance_HA
_geom_hbond_distance_DA
_geom_hbond_angle_DHA
_geom_hbond_site_symmetry_A
C6 H6 O1 0.93 2.53 3.425(2) 162.7 8_665
C8 H8 O2 0.93 2.52 3.244(3) 134.5 5_666
C9 H9 O2 0.93 2.62 3.261(3) 126.6 1_655
N2 H1N2 N4 0.84(3) 2.09(3) 2.933(2) 179(2) 5_666
N1 H1N1 O2 0.81(3) 2.30(3) 3.095(3) 170(3) 6_656
N1 H2N1 O1 0.84(3) 2.47(3) 3.047(3) 127(3) 3_655
N1 H2N1 N3 0.84(3) 2.70(3) 3.454(3) 151(3) 3_655
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
_geom_torsion_site_symmetry_1
_geom_torsion_site_symmetry_2
_geom_torsion_site_symmetry_3
_geom_torsion_site_symmetry_4
O1 S1 N2 C7 47.1(2) . . . .
O2 S1 N2 C7 174.01(18) . . . .
C1 S1 N2 C7 -71.5(2) . . . .
O1 S1 C1 C2 -17.3(2) . . . .
O2 S1 C1 C2 -147.71(19) . . . .
N2 S1 C1 C2 101.9(2) . . . .
O1 S1 C1 C6 160.71(17) . . . .
O2 S1 C1 C6 30.3(2) . . . .
N2 S1 C1 C6 -80.1(2) . . . .
C6 C1 C2 C3 -0.7(4) . . . .
S1 C1 C2 C3 177.4(2) . . . .
C1 C2 C3 C4 -0.7(4) . . . .
C2 C3 C4 N1 -176.5(2) . . . .
C2 C3 C4 C5 1.1(4) . . . .
N1 C4 C5 C6 177.5(2) . . . .
C3 C4 C5 C6 0.0(4) . . . .
C4 C5 C6 C1 -1.3(4) . . . .
C2 C1 C6 C5 1.7(3) . . . .
S1 C1 C6 C5 -176.35(18) . . . .
C10 N3 C7 N4 0.3(3) . . . .
C10 N3 C7 N2 -179.01(18) . . . .
C8 N4 C7 N3 0.1(3) . . . .
C8 N4 C7 N2 179.42(18) . . . .
S1 N2 C7 N3 -3.9(3) . . . .
S1 N2 C7 N4 176.68(15) . . . .
C7 N4 C8 C9 0.2(3) . . . .
N4 C8 C9 C10 -0.8(3) . . . .
C7 N3 C10 C9 -0.9(3) . . . .
C7 N3 C10 C11 178.0(2) . . . .
C8 C9 C10 N3 1.2(3) . . . .
C8 C9 C10 C11 -177.7(2) . . . .
loop_
_cod_related_entry_id
_cod_related_entry_database
_cod_related_entry_code
1 PubChem 5325
