Role of intermolecular interactions and conformational changes in polymorphism and vitrification process of 2,2''-bis-substituted para-terphenyls
Nowok, Andrzej; Kus, Piotr; Dulski, Mateusz; Kusz, Joachim; Ksiazek, Maria; Zubko, Maciej; Szeremeta, Anna; Pawlus, Sebastian; CrystEngComm  (2020) –; doi:10.1039/D0CE00351D

data_7240197
_publ_section_title
;
 Role of intermolecular interactions and conformational changes in
 polymorphism and vitrification process of 2,2''-bis-substituted
 para-terphenyls
;
_journal_name_full               CrystEngComm
_journal_paper_doi               10.1039/D0CE00351D
_journal_year                    2020
_chemical_formula_moiety         'C20 H18 O2'
_chemical_formula_sum            'C20 H18 O2'
_chemical_formula_weight         290.34
_space_group_crystal_system      monoclinic
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_space_group_name_Hall           '-P 2ybc'
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_atom_sites_solution_hydrogens   mixed
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_audit_update_record
;
2019-12-12 deposited with the CCDC.	2020-03-25 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 93.574(3)
_cell_angle_gamma                90
_cell_formula_units_Z            4
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_cell_length_c                   7.6347(3)
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_cell_measurement_temperature    298(1)
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_cell_measurement_theta_min      3.2585
_cell_volume                     1551.84(13)
_computing_cell_refinement
;
CrysAlisPro, Agilent Technologies,
Version 1.171.35.21b 
;
_computing_data_collection
;
CrysAlisPro, Agilent Technologies,
Version 1.171.35.21b 
;
_computing_data_reduction
;
CrysAlisPro, Agilent Technologies,
Version 1.171.35.21b 
;
_computing_structure_refinement  'SHELXL-2014/6 (Sheldrick, 2014)'
_computing_structure_solution    'SHELXS-2013 (Sheldrick, 2014)'
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_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type
;
Xcalibur diffractometer (Oxford Diffraction) with Sapphire3 detector
;
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0400
_diffrn_reflns_av_unetI/netI     0.0231
_diffrn_reflns_Laue_measured_fraction_full 0.998
_diffrn_reflns_Laue_measured_fraction_max 0.998
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_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       21
_diffrn_reflns_limit_k_min       -21
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_diffrn_reflns_limit_l_min       -5
_diffrn_reflns_number            22636
_diffrn_reflns_point_group_measured_fraction_full 0.998
_diffrn_reflns_point_group_measured_fraction_max 0.998
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         26.372
_diffrn_reflns_theta_min         3.307
_diffrn_source                   'Enhance (Mo) X-ray Source'
_exptl_absorpt_coefficient_mu    0.079
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.79006
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro, Agilent Technologies,
Version 1.171.35.21b 
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.243
_exptl_crystal_description       plate
_exptl_crystal_F_000             616
_exptl_crystal_size_max          0.600
_exptl_crystal_size_mid          0.312
_exptl_crystal_size_min          0.040
_refine_diff_density_max         0.159
_refine_diff_density_min         -0.137
_refine_diff_density_rms         0.029
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.066
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     205
_refine_ls_number_reflns         3171
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.066
_refine_ls_R_factor_all          0.0699
_refine_ls_R_factor_gt           0.0523
_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^)+(0.0604P)^2^+0.4077P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1295
_refine_ls_wR_factor_ref         0.1387
_reflns_Friedel_coverage         0.000
_reflns_number_gt                2477
_reflns_number_total             3171
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d0ce00351d2.cif
_cod_data_source_block           ch15_pk252
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               7240197
_shelx_estimated_absorpt_t_min   0.954
_shelx_estimated_absorpt_t_max   0.997
_shelxl_version_number           2014/6
_shelx_res_checksum              40727