Supramolecular Complexes of Sulfadiazine and Pyridines: Reconfigurable Exteriors and Chameleon-like Behavior of Tautomers at the Co-Crystal–Salt Boundary
Elacqua, Elizabeth; Bučar, Dejan-Krešimir; Henry, Rodger F.; Zhang, Geoff G. Z.; MacGillivray, Leonard R.; Crystal Growth & Design 13 (2013) 393–; doi:10.1021/cg301745x

data_4507413
_publ_contact_author             'Leonard R. MacGillivray'
_publ_section_title
;
 Supramolecular Complexes of Sulfadiazine and Pyridines: Reconfigurable
 Exteriors and Chameleon-like Behavior of Tautomers at the
 Co-Crystal--Salt Boundary
;
_journal_issue                   1
_journal_name_full               'Crystal Growth &amp; Design'
_journal_page_first              393
_journal_paper_doi               10.1021/cg301745x
_journal_volume                  13
_journal_year                    2013
_chemical_formula_moiety         'C10 H10 S1 O2 N4, (C12 H8 N2)0.5'
_chemical_formula_sum            'C16 H14 N5 O2 S'
_chemical_formula_weight         340.38
_chemical_name_common            'sulfadiazine 1,2-bis(4-pyridyl)acetylene'
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                78.438(7)
_cell_angle_beta                 81.646(8)
_cell_angle_gamma                77.011(7)
_cell_formula_units_Z            2
_cell_length_a                   5.734(3)
_cell_length_b                   8.057(4)
_cell_length_c                   18.163(10)
_cell_measurement_reflns_used    806
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      26.835
_cell_measurement_theta_min      2.302
_cell_volume                     796.6(7)
_computing_cell_refinement       'Bruker saintplus (Bruker 1999)'
_computing_data_collection       'Bruker SMART (Bruker 2001)'
_computing_data_reduction        'Bruker saintplus (Bruker 1999)'
_computing_molecular_graphics    'ORTEP-3 for Windows v2.01'
_computing_publication_material  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.982
_diffrn_measured_fraction_theta_max 0.982
_diffrn_measurement_device_type  CCD
_diffrn_measurement_method       'omega scan'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.1351
_diffrn_reflns_av_sigmaI/netI    0.0980
_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       -7
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            9490
_diffrn_reflns_theta_full        27.78
_diffrn_reflns_theta_max         27.78
_diffrn_reflns_theta_min         1.15
_exptl_absorpt_coefficient_mu    0.223
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.419
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       fragment
_exptl_crystal_F_000             354
_exptl_crystal_size_max          0.4
_exptl_crystal_size_mid          0.2
_exptl_crystal_size_min          0.1
_refine_diff_density_max         0.431
_refine_diff_density_min         -0.348
_refine_diff_density_rms         0.071
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.863
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     229
_refine_ls_number_reflns         3706
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.863
_refine_ls_R_factor_all          0.0674
_refine_ls_R_factor_gt           0.0495
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0762P)^2^+0.2582P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1315
_refine_ls_wR_factor_ref         0.1545
_reflns_number_gt                2671
_reflns_number_total             3706
_reflns_threshold_expression     I>2sigma(I)
_cod_data_source_file            cg301745x_si_004.cif
_cod_data_source_block           (SDZ)(bpa)
_cod_depositor_comments
;
The following automatic conversions were performed:

'_exptl_crystal_density_meas' value 'none' was changed to '?' - the
value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 3008 2015-01-20 13:52:24Z robertas 
;
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               4507413