The impact of modular substitution on crystal packing: the tale of two ureas
Koshti, Vijay S.; Thorat, Shridhar H.; Gote, Ravindra P.; Chikkali, Samir H.; Gonnade, Rajesh G.; CrystEngComm 18 (2016) 7078–; doi:10.1039/C6CE01324D

data_7226133
_publ_section_title
;
 The impact of modular substitution on crystal packing: the tale of two
 ureas
;
_journal_issue                   37
_journal_name_full               CrystEngComm
_journal_page_first              7078
_journal_paper_doi               10.1039/C6CE01324D
_journal_volume                  18
_journal_year                    2016
_chemical_formula_moiety         'C13 H11 I N2 O'
_chemical_formula_sum            'C13 H11 I N2 O'
_chemical_formula_weight         338.14
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_audit_update_record
;
2016-06-07 deposited with the CCDC.
2016-08-04 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 91.646(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   26.1800(17)
_cell_length_b                   4.6273(3)
_cell_length_c                   9.9779(7)
_cell_measurement_reflns_used    4903
_cell_measurement_temperature    200(2)
_cell_measurement_theta_max      28.72
_cell_measurement_theta_min      3.89
_cell_volume                     1208.25(14)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      200(2)
_diffrn_measured_fraction_theta_full 0.968
_diffrn_measured_fraction_theta_max 0.968
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w 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    0.0303
_diffrn_reflns_limit_h_max       31
_diffrn_reflns_limit_h_min       -31
_diffrn_reflns_limit_k_max       5
_diffrn_reflns_limit_k_min       -5
_diffrn_reflns_limit_l_max       11
_diffrn_reflns_limit_l_min       -11
_diffrn_reflns_number            6668
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         2.33
_exptl_absorpt_coefficient_mu    2.635
_exptl_absorpt_correction_T_max  0.6208
_exptl_absorpt_correction_T_min  0.4506
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS,(BRUKER,2006)
_exptl_crystal_colour            COLOURLESS
_exptl_crystal_density_diffrn    1.859
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       BLOCK
_exptl_crystal_F_000             656
_exptl_crystal_recrystallization_method 'Re-crystallisation from solvent'
_exptl_crystal_size_max          0.36
_exptl_crystal_size_mid          0.26
_exptl_crystal_size_min          0.20
_refine_diff_density_max         1.193
_refine_diff_density_min         -1.060
_refine_diff_density_rms         0.255
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.187
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     154
_refine_ls_number_reflns         2056
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.187
_refine_ls_R_factor_all          0.0385
_refine_ls_R_factor_gt           0.0274
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0875P)^2^+0.1074P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0853
_refine_ls_wR_factor_ref         0.1324
_reflns_number_gt                1829
_reflns_number_total             2056
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c6ce01324d2.cif
_cod_data_source_block           azx
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to
/usr/data/users/saulius/crontab/automatic-downloads/rss-feeds/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

'_exptl_absorpt_correction_type' value 'MULTI-SCAN' changed to
'multi-scan' according to
/usr/data/users/saulius/crontab/automatic-downloads/rss-feeds/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 4268 2015-11-12 08:31:59Z antanas 

 Adding full bibliography for 7226122--7226134.cif.
;
_cod_original_sg_symbol_H-M      'P2(1)/c  '
_cod_database_code               7226133
_solvent_exptl_crystal_recrystallization_method
'Dimethyl Formamide-Ethyl Acetate Mixture'