An Investigation of the Hydrogen-Bond Preferences and Co-crystallization Behavior of Three Didonor Compounds.
Lemmerer, Andreas; Adsmond, Daniel A.; Bernstein, Joel; Crystal Growth & Design 11 (2011) 2011–; doi:10.1021/cg2002145

data_4500731
_publ_section_title
;
 An Investigation of the Hydrogen-Bond Preferences and Co-crystallization
 Behavior of Three Didonor Compounds.
;
_journal_issue                   5
_journal_name_full               'Crystal Growth &amp; Design'
_journal_page_first              2011
_journal_paper_doi               10.1021/cg2002145
_journal_volume                  11
_journal_year                    2011
_chemical_formula_moiety         'C7 H6 O3, C6 H6 N2 O'
_chemical_formula_sum            'C13 H12 N2 O4'
_chemical_formula_weight         260.25
_chemical_name_systematic
;
 (4-hydroxybenzoic acid).(nicotinamide)
;
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_conform_dict_location     ftp://ftp.iucr.org/pub/cif_core.dic
_audit_conform_dict_name         cif_core.dic
_audit_conform_dict_version      2.3
_audit_creation_date             2009-04-18T18:14:22-00:00
_audit_creation_method           'WinGX routine CIF_UPDATE'
_cell_angle_alpha                90
_cell_angle_beta                 107.777(6)
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   30.962(4)
_cell_length_b                   7.3707(10)
_cell_length_c                   11.2227(15)
_cell_measurement_reflns_used    2017
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      27.1
_cell_measurement_theta_min      2.76
_cell_volume                     2438.9(6)
_computing_cell_refinement       'Bruker SAINT+, Bruker (1999)'
_computing_data_collection       'Bruker SMART, Bruker (1998)'
_computing_data_reduction        'Bruker SAINT+'
_computing_molecular_graphics
;
Ortep-3 for Windows (Farrugia, 1997) and DIAMOND (Brandenburg, 1999)
;
_computing_publication_material
;
WinGX publication routines (Farrugia, 1999) and PLATON (Spek, 2003)
;
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'Bruker SMART 1K CCD area detector'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0271
_diffrn_reflns_av_unetI/netI     0.0324
_diffrn_reflns_limit_h_max       37
_diffrn_reflns_limit_h_min       -35
_diffrn_reflns_limit_k_max       8
_diffrn_reflns_limit_k_min       -8
_diffrn_reflns_limit_l_max       7
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            6314
_diffrn_reflns_theta_full        25.5
_diffrn_reflns_theta_max         25.5
_diffrn_reflns_theta_min         2.76
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.107
_exptl_absorpt_correction_T_max  0.98
_exptl_absorpt_correction_T_min  0.96
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Sheldrick, 1996)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.418
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             1088
_exptl_crystal_size_max          0.4
_exptl_crystal_size_mid          0.1
_exptl_crystal_size_min          0.06
_refine_diff_density_max         0.162
_refine_diff_density_min         -0.174
_refine_diff_density_rms         0.045
_refine_ls_extinction_coef       0.0035(7)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.053
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     185
_refine_ls_number_reflns         2263
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.053
_refine_ls_R_factor_all          0.0621
_refine_ls_R_factor_gt           0.0412
_refine_ls_shift/su_max          0
_refine_ls_shift/su_mean         0
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0760P)^2^+0.4524P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.117
_refine_ls_wR_factor_ref         0.1307
_reflns_number_gt                1614
_reflns_number_total             2263
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            cg2002145_si_001.cif
_cod_data_source_block           3
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_cell_volume        2438.8(6)
_cod_original_sg_symbol_H-M      C2/c
_cod_database_code               4500731