Predicting molecular isomerism of symmetrical and unsymmetrical N,N′-diphenyl formamidines in the solid-state: crystal structure, Hirshfeld surface analysis, pairwise interaction energy, and ΔHfusion and ΔSfusion correlations
Zamisa, Sizwe J.; Bongoza, Unathi; Omondi, Bernard; CrystEngComm 23 (2021) 4459–4474; doi:10.1039/D1CE00458A

data_7242840
_publ_section_title
;
 Predicting molecular isomerism of symmetrical and unsymmetrical
 N,N&#x2032;-diphenyl formamidines in the solid-state: crystal structure,
 Hirshfeld surface analysis, pairwise interaction energy, and \DHfusion
 and \DSfusion correlations
;
_journal_issue                   25
_journal_name_full               CrystEngComm
_journal_page_first              4459
_journal_page_last               4474
_journal_paper_doi               10.1039/D1CE00458A
_journal_volume                  23
_journal_year                    2021
_chemical_formula_moiety         'C13 H8 Cl4 N2'
_chemical_formula_sum            'C13 H8 Cl4 N2'
_chemical_formula_weight         334.01
_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
_audit_creation_date             2019-01-21
_audit_creation_method
;
Olex2 1.2
(compiled 2018.05.29 svn.r3508 for OlexSys, GUI svn.r5506)
;
_audit_update_record
;
2020-12-03 deposited with the CCDC.	2021-05-13 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 93.309(5)
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   16.0655(18)
_cell_length_b                   8.3654(9)
_cell_length_c                   20.616(2)
_cell_measurement_reflns_used    8158
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      28.40
_cell_measurement_theta_min      2.29
_cell_volume                     2766.1(5)
_computing_cell_refinement       'COSMO (Bruker, V1.61, 2009)'
_computing_data_collection       'COSMO (Bruker, V1.61, 2009)'
_computing_data_reduction        'SAINT (Bruker)'
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'ShelXL (Sheldrick, 2015)'
_computing_structure_solution    'ShelXS-2013 (Sheldrick, 2008)'
_diffrn_ambient_temperature      173.15
_diffrn_detector                 'Bruker APEX2 area detector'
_diffrn_detector_area_resol_mean 7.9
_diffrn_detector_type            'CCD area detector'
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device       'three-circle diffractometer'
_diffrn_measurement_device_type  'Bruker SMART APEX2 area detector'
_diffrn_measurement_method       '\w and \f scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0221
_diffrn_reflns_av_unetI/netI     0.0127
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 0.995
_diffrn_reflns_limit_h_max       19
_diffrn_reflns_limit_h_min       -21
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       27
_diffrn_reflns_limit_l_min       -27
_diffrn_reflns_number            61609
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 0.995
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         28.416
_diffrn_reflns_theta_min         1.270
_diffrn_source                   'sealed X-ray tube'
_diffrn_source_type              'sealed X-ray tube'
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.840
_exptl_absorpt_correction_T_max  0.815
_exptl_absorpt_correction_T_min  0.704
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Bruker)'
_exptl_crystal_colour            colourless
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.604
_exptl_crystal_description       block
_exptl_crystal_F_000             1344
_exptl_crystal_recrystallization_method
'The material was recrystallised from ethanol by slow evaporation'
_exptl_crystal_size_max          0.43
_exptl_crystal_size_mid          0.3
_exptl_crystal_size_min          0.27
_refine_diff_density_max         0.364
_refine_diff_density_min         -0.235
_refine_diff_density_rms         0.051
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.041
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     343
_refine_ls_number_reflns         6927
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.041
_refine_ls_R_factor_all          0.0271
_refine_ls_R_factor_gt           0.0230
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0270P)^2^+1.6153P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0581
_refine_ls_wR_factor_ref         0.0611
_reflns_Friedel_coverage         0.000
_reflns_number_gt                6243
_reflns_number_total             6927
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d1ce00458a2.cif
_cod_data_source_block           4
_cod_depositor_comments
'Adding full bibliography for 7242837--7242841.cif.'
_cod_original_cell_volume        2766.0(5)
_cod_database_code               7242840
_shelx_shelxl_version_number     2016/6
_shelx_estimated_absorpt_t_max   0.805
_shelx_estimated_absorpt_t_min   0.714
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups, All N(H) groups
2.a Aromatic/amide H refined with riding coordinates:
 C4A(H4A), C3A(H3A), C7A(H7A), C12A(H12A), C11A(H11A), C5A(H5A), C10A(H10A),
 C4B(H4B), C3B(H3B), C7B(H7B), C10B(H10B), C11B(H11B), C12B(H12B), C5B(H5B),
 N1A(H1A), N1B(H1B)
;
_shelx_res_checksum              40977
_shelx_hkl_checksum              88
_olex2_exptl_crystal_mounting_method
'The crystal was mounted on a MITIGEN holder in paratone oil'
_olex2_submission_special_instructions 'No special instructions were received'