Structural effects of halogen bonding in iodochalcones
Hamilton, Victoria; Harris, Connah; Hall, Charlie L.; Potticary, Jason; Cremeens, Matthew E.; D'Ambruoso, Gemma D.; Matsumoto, Masaomi; Warren, Stephen D.; Pridmore, Natalie E.; Sparkes, Hazel A.; Hall, Simon R.; Acta Crystallographica Section B 77 (2021) –; doi:10.1107/S2052520621002961

data_2108802
_publ_section_title
;
 Structural effects of halogen bonding in iodochalcones
;
_journal_issue                   3
_journal_name_full               'Acta Crystallographica Section B'
_journal_page_first
;
;
_journal_paper_doi               10.1107/S2052520621002961
_journal_volume                  77
_journal_year                    2021
_chemical_formula_iupac          'C15 H10 I N O3'
_chemical_formula_moiety         'C15 H10 I N O3'
_chemical_formula_sum            'C15 H10 I N O3'
_chemical_formula_weight         379.14
_chemical_name_common
;
4'-Iodo-4-nitrochalcone
;
_chemical_name_systematic
;
(2<i>E</i>)-1-(4-Iodophenyl)-3-(4-nitrophenyl)prop-2-en-1-one
;
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     iterative
_atom_sites_solution_secondary   difmap
_audit_creation_date             2020-11-26
_audit_creation_method
;
Olex2 1.2
(compiled 2018.05.29 svn.r3508 for OlexSys, GUI svn.r5506)
;
_cell_angle_alpha                90
_cell_angle_beta                 94.427(2)
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   17.9016(7)
_cell_length_b                   5.8824(2)
_cell_length_c                   25.4871(9)
_cell_measurement_reflns_used    8739
_cell_measurement_temperature    100
_cell_measurement_theta_max      29.59
_cell_measurement_theta_min      2.28
_cell_volume                     2675.90(17)
_computing_cell_refinement       'SAINT (Bruker, 2016)'
_computing_data_collection       'APEX2 (Bruker, 2016)'
_computing_data_reduction        'SAINT (Bruker, 2016)'
_computing_molecular_graphics    'OLEX2 (Dolomanov et al., 2009)'
_computing_publication_material  'OLEX2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'SHELXL2018 (Sheldrick, 2015b)'
_computing_structure_solution
;
SUPERFLIP (Palatinus & Chapuis, 2007; Palatinus & van der Lee, 2008;
Palatinus et al., 2012)
;
_diffrn_ambient_temperature      100
_diffrn_detector                 'Bruker area detector'
_diffrn_detector_type            'CCD area detector'
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device       'Bruker APEXII Kappa CCD area detector'
_diffrn_measurement_device_type  'Bruker APEXII Kappa CCD area detector'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0511
_diffrn_reflns_av_unetI/netI     0.0374
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 1.000
_diffrn_reflns_limit_h_max       23
_diffrn_reflns_limit_h_min       -23
_diffrn_reflns_limit_k_max       7
_diffrn_reflns_limit_k_min       -7
_diffrn_reflns_limit_l_max       33
_diffrn_reflns_limit_l_min       -33
_diffrn_reflns_number            36371
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 1.000
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.483
_diffrn_reflns_theta_min         1.141
_diffrn_source                   'fine-focus sealed tube'
_diffrn_source_current           30.0
_diffrn_source_power             1.35
_diffrn_source_voltage           45.0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    2.399
_exptl_absorpt_correction_T_max  0.7460
_exptl_absorpt_correction_T_min  0.5805
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
(SADABS; Bruker, 2016)
;
_exptl_crystal_colour            'clear yellow'
_exptl_crystal_colour_lustre     clear
_exptl_crystal_colour_primary    yellow
_exptl_crystal_density_diffrn    1.882
_exptl_crystal_description       plate
_exptl_crystal_F_000             1472
_exptl_crystal_recrystallization_method 'Crystallisation from Ethanol'
_exptl_crystal_size_max          0.466
_exptl_crystal_size_mid          0.186
_exptl_crystal_size_min          0.08
_refine_diff_density_max         0.916
_refine_diff_density_min         -0.797
_refine_diff_density_rms         0.102
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.029
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     361
_refine_ls_number_reflns         6154
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.029
_refine_ls_R_factor_all          0.0464
_refine_ls_R_factor_gt           0.0312
_refine_ls_shift/su_max          0.003
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0251P)^2^+3.8267P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0661
_refine_ls_wR_factor_ref         0.0717
_reflns_Friedel_coverage         0.000
_reflns_number_gt                4831
_reflns_number_total             6154
_reflns_threshold_expression     'I > 2\s(I)'
_publcif_datablock.id            {d3295efa-852d-44ad-a5e4-4250d4fae11c}
_publcif_info_exptl_table_max_cols 5
_publcif_info_exptl_table_use_headnotes y
_cod_data_source_file            bm5139sup1.cif
_cod_data_source_block           ep8p
_cod_original_cell_volume        2675.89(17)
_cod_database_code               2108802
_cod_database_fobs_code          2108802
_shelx_shelxl_version_number     2018/3
_exptl_absorpt_special_details
;
SADABS-2016/2 (Bruker,2016/2) was used for absorption correction. 
wR2(int) was 0.0744 before and 0.0555 after correction. The Ratio 
of minimum to maximum transmission is 0.7782. The \l/2 correction 
factor is Not present.
;
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups
2.a Aromatic/amide H refined with riding coordinates:
 C2(H2), C3(H3), C5(H5), C6(H6), C8(H8), C9(H9), C11(H11), C12(H12), C14(H14),
 C15(H15), C17(H17), C18(H18), C20(H20), C21(H21), C23(H23), C24(H24), C26(H26),
  C27(H27), C29(H29), C30(H30)
;
_shelx_res_checksum              6111
_shelx_hkl_checksum              2252
_olex2_exptl_crystal_mounting_method
'Mounted on a class capillary with parafin oil'
_olex2_submission_special_instructions 'No special instructions were received'
_publcif_funding_html
;
;