N,N'-Di-n-butyl-3,4-diphenyl-1H-pyrrole-2,5-dicarboxamide
Coles, Simon J.; Chapman, C. P.; Light, Mark E.; Tizzard, G. J.; Camiolo, S.; Gale, Phil A.; Hursthouse, Michael B.; Crystal Structure Report Archive  (2001) 114–; doi:

data_1519342
_publ_section_title
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 N,N'-Di-n-butyl-3,4-diphenyl-1H-pyrrole-2,5-dicarboxamide
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_journal_name_full               'Crystal Structure Report Archive'
_journal_page_first              114
_journal_year                    2001
_chemical_formula_sum            'C26 H31 N3 O2'
_chemical_formula_weight         417.54
_space_group_IT_number           9
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'C -2yc'
_symmetry_space_group_name_H-M   'C 1 c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_cell_angle_alpha                90.00
_cell_angle_beta                 103.111(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   25.5294(5)
_cell_length_b                   18.9718(5)
_cell_length_c                   9.7130(2)
_cell_measurement_reflns_used    14078
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      27.48
_cell_measurement_theta_min      2.91
_cell_volume                     4581.75(18)
_computing_cell_refinement
'DENZO (Otwinowski & Minor, 1997) & COLLECT (Hooft, 1998)'
_computing_data_collection       'COLLECT (Hooft, 1998)'
_computing_data_reduction
'DENZO (Otwinowski & Minor, 1997) & COLLECT (Hooft, 1998)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      150(2)
_diffrn_detector_area_resol_mean 9.091
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'Bruker-Nonius KappaCCD'
_diffrn_measurement_method       '\F & \w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'Bruker-Nonius FR591 rotating anode'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0810
_diffrn_reflns_av_sigmaI/netI    0.0715
_diffrn_reflns_limit_h_max       28
_diffrn_reflns_limit_h_min       -28
_diffrn_reflns_limit_k_max       21
_diffrn_reflns_limit_k_min       -21
_diffrn_reflns_limit_l_max       10
_diffrn_reflns_limit_l_min       -10
_diffrn_reflns_number            18454
_diffrn_reflns_theta_full        23.26
_diffrn_reflns_theta_max         23.26
_diffrn_reflns_theta_min         3.04
_exptl_absorpt_coefficient_mu    0.077
_exptl_absorpt_correction_T_max  0.9923
_exptl_absorpt_correction_T_min  0.9847
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SORTAV (Blessing, 1997)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.211
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1792
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.667
_refine_diff_density_min         -0.410
_refine_diff_density_rms         0.056
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.2(17)
_refine_ls_extinction_coef       0.0024(6)
_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   1.082
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     560
_refine_ls_number_reflns         6361
_refine_ls_number_restraints     20
_refine_ls_restrained_S_all      1.099
_refine_ls_R_factor_all          0.0709
_refine_ls_R_factor_gt           0.0567
_refine_ls_shift/su_max          0.480
_refine_ls_shift/su_mean         0.018
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0872P)^2^+2.6503P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1438
_refine_ls_wR_factor_ref         0.1555
_reflns_number_gt                5398
_reflns_number_total             6361
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            eCrystal-114.cif
_cod_data_source_block           01sot013
_cod_depositor_comments
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Citation :
Coles, Simon J. and Chapman, C. P. and Light, Mark E. and Tizzard, G. J. and 
Camiolo, S. and Gale, Phil A. and Hursthouse, Michael B. (2001) 
University of Southampton, Crystal Structure Report Archive. 
(doi:10.5258/ecrystals/114)

More at:
http://ecrystals.chem.soton.ac.uk/114/

The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to the built-in table from CIF Core dictionary named
'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 3105 2015-03-04 15:46:00Z robertas 
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_cod_original_sg_symbol_H-M      Cc
_cod_database_code               1519342