Nine <i>N</i>-aryl-2-chloronicotinamides: supramolecular structures in one, two and three dimensions
Cuffini, Silvia; Glidewell, Christopher; Low, John N.; de Oliviera, Aline G.; de Souza, Marcus V. N.; Vasconcelos, Thatyana R. A.; Wardell, Solange M. S. V.; Wardell, James L.; Acta Crystallographica Section B 62 (2006) 651–665; doi:10.1107/S0108768106015497

data_2100535
_publ_section_title
;
 Nine <i>N</i>-aryl-2-chloronicotinamides: supramolecular structures in
 one, two and three dimensions
;
_journal_coeditor_code           BM5033
_journal_issue                   4
_journal_name_full               'Acta Crystallographica Section B'
_journal_page_first              651
_journal_page_last               665
_journal_paper_doi               10.1107/S0108768106015497
_journal_volume                  62
_journal_year                    2006
_chemical_formula_moiety         'C12 H8 Cl2 N2 O'
_chemical_formula_sum            'C12 H8 Cl2 N2 O'
_chemical_formula_weight         267.10
_chemical_name_systematic
;
N-(4-Chlorophenyl-2-chloronicotinamide
;
_space_group_IT_number           4
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'P 2yb'
_symmetry_space_group_name_H-M   'P 1 21 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_cell_angle_alpha                90.00
_cell_angle_beta                 90.37(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   5.0855(8)
_cell_length_b                   28.982(8)
_cell_length_c                   15.607(4)
_cell_measurement_reflns_used    9787
_cell_measurement_temperature    120(2)
_cell_measurement_theta_max      27.48
_cell_measurement_theta_min      2.96
_cell_volume                     2300.2(9)
_computing_cell_refinement       'DENZO (Otwinowski & Minor, 1997) & COLLECT'
_computing_data_collection       'COLLECT (Hooft, 1999)'
_computing_data_reduction        'DENZO & COLLECT'
_computing_molecular_graphics    'PLATON (Spek, 2003)'
_computing_publication_material  'SHELXL-97 and PRPKAPPA (Ferguson, 1999)'
_computing_structure_refinement  'OSCAIL and SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution
'OSCAIL (McArdle, 2003) and SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      120(2)
_diffrn_detector_area_resol_mean 9.091
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.973
_diffrn_measurement_device_type
'Bruker-Nonius 95mm CCD camera on \k goniostat'
_diffrn_measurement_method       '\f & \w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'Bruker-Nonius FR591 rotating anode'
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0529
_diffrn_reflns_av_sigmaI/netI    0.0818
_diffrn_reflns_limit_h_max       6
_diffrn_reflns_limit_h_min       -6
_diffrn_reflns_limit_k_max       37
_diffrn_reflns_limit_k_min       -37
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            24726
_diffrn_reflns_theta_full        25.50
_diffrn_reflns_theta_max         27.48
_diffrn_reflns_theta_min         2.96
_diffrn_standards_decay_%        0
_exptl_absorpt_coefficient_mu    0.546
_exptl_absorpt_correction_T_max  0.984
_exptl_absorpt_correction_T_min  0.862
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS 2.10 (Sheldrick,  2003)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.543
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             1088
_exptl_crystal_size_max          0.28
_exptl_crystal_size_mid          0.07
_exptl_crystal_size_min          0.03
_refine_diff_density_max         0.786
_refine_diff_density_min         -0.539
_refine_ls_abs_structure_details 'Flack (1983), 4396 Friedel pairs'
_refine_ls_abs_structure_Flack   0.54(11)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.037
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     254
_refine_ls_number_reflns         9787
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.037
_refine_ls_R_factor_all          0.1124
_refine_ls_R_factor_gt           0.0686
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0454P)^2^+5.7740P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1482
_refine_ls_wR_factor_ref         0.1691
_reflns_number_gt                6370
_reflns_number_total             9787
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            bm5033.cif
_cod_data_source_block           IV
_cod_depositor_comments
;
The following automatic conversions were performed:
'_exptl_absorpt_correction_type' value 'Multi-scan' changed to
'multi-scan' 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_enum 1527 2010-12-29 10:47:43Z saulius 

The following automatic conversions were performed:

'_exptl_absorpt_correction_type' value 'Multi-scan' changed to
'multi-scan' 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_sg_symbol_H-M      'P 21'
_cod_database_code               2100535