Solvent-induced polymorphism in dipodal N-donor ligands containing a biphenyl core
Chaudhary, Simran; Kędziera, Dariusz; Rafiński, Zbigniew; Dobrzańska, Liliana; RSC Advances 13 (2023) 30625–30632; doi:10.1039/D3RA05713E

data_7247528
_publ_section_title
;
 Solvent-induced polymorphism in dipodal N-donor ligands containing a
 biphenyl core
;
_journal_issue                   44
_journal_name_full               'RSC Advances'
_journal_page_first              30625
_journal_page_last               30632
_journal_paper_doi               10.1039/D3RA05713E
_journal_volume                  13
_journal_year                    2023
_chemical_formula_sum            'C20 H18 N4'
_chemical_formula_weight         314.38
_space_group_crystal_system      orthorhombic
_space_group_IT_number           61
_space_group_name_Hall           '-P 2ac 2ab'
_space_group_name_H-M_alt        'P b c a'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_audit_creation_method           SHELXL-2018/3
_audit_update_record
;
2023-04-02 deposited with the CCDC.	2023-10-06 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   18.2880(5)
_cell_length_b                   7.9130(2)
_cell_length_c                   22.3941(5)
_cell_measurement_reflns_used    7291
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      67.0290
_cell_measurement_theta_min      3.9080
_cell_volume                     3240.72(14)
_computing_cell_refinement       'CrysAlisPro 1.171.41.93a (Rigaku OD, 2020)'
_computing_data_collection       'CrysAlisPro 1.171.41.93a (Rigaku OD, 2020)'
_computing_data_reduction        'CrysAlisPro 1.171.41.93a (Rigaku OD, 2020)'
_computing_structure_refinement  'SHELXL-2018/3 (Sheldrick, 2018)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector                 'Hybrid Pixel Array Detector'
_diffrn_detector_area_resol_mean 10.0000
_diffrn_detector_type            HyPix
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'XtaLAB Synergy, Dualflex, HyPix'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54184
_diffrn_reflns_av_R_equivalents  0.0638
_diffrn_reflns_av_unetI/netI     0.0336
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.999
_diffrn_reflns_limit_h_max       21
_diffrn_reflns_limit_h_min       -22
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -26
_diffrn_reflns_number            27548
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.999
_diffrn_reflns_theta_full        67.684
_diffrn_reflns_theta_max         68.576
_diffrn_reflns_theta_min         3.948
_exptl_absorpt_coefficient_mu    0.618
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro 1.171.41.93a (Rigaku Oxford Diffraction, 2020)
Empirical absorption correction using spherical harmonics,
implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.289
_exptl_crystal_description       prism
_exptl_crystal_F_000             1328
_exptl_crystal_size_max          0.140
_exptl_crystal_size_mid          0.060
_exptl_crystal_size_min          0.040
_exptl_transmission_factor_max   1.00000
_exptl_transmission_factor_min   0.66756
_refine_diff_density_max         0.176
_refine_diff_density_min         -0.130
_refine_diff_density_rms         0.035
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.033
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     217
_refine_ls_number_reflns         2985
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.033
_refine_ls_R_factor_all          0.0520
_refine_ls_R_factor_gt           0.0382
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0430P)^2^+1.0214P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0921
_refine_ls_wR_factor_ref         0.0989
_reflns_Friedel_coverage         0.000
_reflns_number_gt                2368
_reflns_number_total             2985
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d3ra05713e2.cif
_cod_data_source_block           2c
_cod_database_code               7247528
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_min   0.919
_shelx_estimated_absorpt_t_max   0.976
_oxdiff_exptl_absorpt_empirical_full_min 0.624
_oxdiff_exptl_absorpt_empirical_full_max 1.822
_shelx_res_checksum              92498