Conformation-Directed Hydrogen-Bonding inmeta-Substituted Aromatic Ureadicarboxylic Acid: A Conformationally Flexible U-Shaped Building Block
Hisamatsu, Shugo; Masu, Hyuma; Takahashi, Masahiro; Kishikawa, Keiki; Kohmoto, Shigeo; Crystal Growth & Design 13 (2013) 2327–; doi:10.1021/cg301878r

data_4507788
_publ_section_title
;
 Conformation-Directed Hydrogen-Bonding inmeta-Substituted Aromatic
 Ureadicarboxylic Acid: A Conformationally Flexible U-Shaped Building
 Block
;
_journal_issue                   6
_journal_name_full               'Crystal Growth &amp; Design'
_journal_page_first              2327
_journal_paper_doi               10.1021/cg301878r
_journal_volume                  13
_journal_year                    2013
_chemical_formula_moiety         'C17 H16 N2 O5, C16 H12 N2, C H4 O'
_chemical_formula_sum            'C34 H32 N4 O6'
_chemical_formula_weight         592.64
_space_group_IT_number           33
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2c -2n'
_symmetry_space_group_name_H-M   'P n a 21'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   27.693(2)
_cell_length_b                   6.5838(5)
_cell_length_c                   16.1466(12)
_cell_measurement_reflns_used    3780
_cell_measurement_temperature    173
_cell_measurement_theta_max      25.94
_cell_measurement_theta_min      2.52
_cell_volume                     2943.9(4)
_computing_cell_refinement       'APEX2 (Bruker AXS, 2006)'
_computing_data_collection       'APEX2 (Bruker AXS, 2006)'
_computing_data_reduction        'SAINT (Bruker AXS, 2004)'
_computing_molecular_graphics    'XSHEL (Bruker AXS,2002)'
_computing_publication_material  'XCIF (Bruker AXS, 2001)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      173
_diffrn_detector_area_resol_mean 8.333
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device_type  'Bruker APEXII 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  0.0269
_diffrn_reflns_av_sigmaI/netI    0.0347
_diffrn_reflns_limit_h_max       35
_diffrn_reflns_limit_h_min       -35
_diffrn_reflns_limit_k_max       8
_diffrn_reflns_limit_k_min       -6
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            15559
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         27.43
_diffrn_reflns_theta_min         1.47
_exptl_absorpt_coefficient_mu    0.093
_exptl_absorpt_correction_T_max  0.9816
_exptl_absorpt_correction_T_min  0.9638
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details
;
SADABS Sheldrick 1996
;
_exptl_crystal_colour            'pale yellow'
_exptl_crystal_density_diffrn    1.337
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1248
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.24
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.333
_refine_diff_density_min         -0.234
_refine_diff_density_rms         0.052
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.2(11)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.077
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     401
_refine_ls_number_reflns         6015
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.077
_refine_ls_R_factor_all          0.0590
_refine_ls_R_factor_gt           0.0447
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0809P)^2^+0.2719P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1219
_refine_ls_wR_factor_ref         0.1386
_reflns_number_gt                4955
_reflns_number_total             6015
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            cg301878r_si_002.cif
_cod_data_source_block           1:4:CH3OH(a121011his1)
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Orthorhombic' changed to
'orthorhombic' according to
/home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary named
'cif_core.dic' version 2.3.1 from 2005-06-27.

Automatic conversion script
Id: cif_fix_values 1891 2012-01-12 08:04:46Z andrius 
;
_cod_original_sg_symbol_H-M      'Pna2(1) '
_cod_database_code               4507788