Crystal Structures ofN-Aryl-N'-4-Nitrophenyl Ureas: Molecular Conformation and Weak Interactions Direct the Strong Hydrogen Bond Synthon
Reddy, L. Sreenivas; Chandran, Sreekanth K.; George, Sumod; Babu, N. Jagadeesh; Nangia, Ashwini; Crystal Growth & Design 7 (2007) 2675–2690; doi:10.1021/cg070155j

data_4504253
_publ_section_title
;
 Crystal Structures ofN-Aryl-N'-4-Nitrophenyl Ureas: Molecular Conformation
 and Weak Interactions Direct the Strong Hydrogen Bond Synthon
;
_journal_coden_ASTM              CGDEFU
_journal_issue                   12
_journal_name_full               'Crystal Growth & Design'
_journal_page_first              2675
_journal_page_last               2690
_journal_paper_doi               10.1021/cg070155j
_journal_volume                  7
_journal_year                    2007
_chemical_formula_moiety         'C14 H12 N4 O4, C3 H7 N O'
_chemical_formula_sum            'C17 H19 N5 O5'
_chemical_formula_weight         373.37
_chemical_name_common
;
 N-(4-carboxamidophenyl)-N'-(nitrophenyl)urea.DMF
;
_chemical_name_systematic
;
 N-(4-carboxamidophenyl)-N'-(nitrophenyl)urea.DMF
;
_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                105.841(2)
_cell_angle_beta                 104.695(3)
_cell_angle_gamma                95.110(3)
_cell_formula_units_Z            2
_cell_length_a                   7.4728(10)
_cell_length_b                   10.2624(14)
_cell_length_c                   12.5410(17)
_cell_measurement_reflns_used    1529
_cell_measurement_temperature    298(2)
_cell_measurement_theta_max      22.11
_cell_measurement_theta_min      2.29
_cell_volume                     881.9(2)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      298(2)
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.994
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_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  0.0312
_diffrn_reflns_av_sigmaI/netI    0.0449
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            7382
_diffrn_reflns_theta_full        26.11
_diffrn_reflns_theta_max         26.11
_diffrn_reflns_theta_min         1.76
_exptl_absorpt_coefficient_mu    0.106
_exptl_absorpt_correction_T_max  0.9874
_exptl_absorpt_correction_T_min  0.9628
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Bruker AXS SADABS program'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.406
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             392
_exptl_crystal_size_max          0.36
_exptl_crystal_size_mid          0.24
_exptl_crystal_size_min          0.12
_refine_diff_density_max         0.217
_refine_diff_density_min         -0.202
_refine_diff_density_rms         0.046
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.027
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     262
_refine_ls_number_reflns         3479
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.027
_refine_ls_R_factor_all          0.0974
_refine_ls_R_factor_gt           0.0632
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0916P)^2^+0.0411P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1543
_refine_ls_wR_factor_ref         0.1740
_reflns_number_gt                2245
_reflns_number_total             3479
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            cg070155j-file012.cif
_cod_data_source_block           5.10
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
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-1
_cod_database_code               4504253