AIEE phenomenon: tetraaryl vs. triaryl pyrazoles
Sayani Mukherjee; P. S. Salini; A. Srinivasan; S Peruncheralathan; Chem.Commun. 51 (2015) 17148–; doi:10.1039/C5cc05973A

data_7118110
_publ_section_title
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 AIEE phenomenon: tetraaryl vs. triaryl pyrazoles
;
_journal_name_full               Chem.Commun.
_journal_page_first              17148
_journal_paper_doi               10.1039/C5cc05973A
_journal_volume                  51
_journal_year                    2015
_chemical_compound_source        Synthesized
_chemical_formula_moiety         'C26 H19 N3'
_chemical_formula_sum            'C26 H19 N3'
_chemical_formula_weight         373.44
_chemical_melting_point          447.15
_chemical_name_systematic        1-(2-Pyridyl)-3,4,5-triphenyl-1H-pyrazole
_space_group_crystal_system      monoclinic
_space_group_IT_number           4
_space_group_name_Hall           'P 2yb'
_space_group_name_H-M_alt        'P 1 21 1'
_atom_sites_solution_hydrogens   difmap
_atom_sites_solution_primary     direct
_audit_creation_date             2015-07-15
_audit_creation_method
;
Olex2 1.2
(compiled 2015.01.26 svn.r3150 for OlexSys, GUI svn.r4998)
;
_audit_update_record
;
2015-07-16 deposited with the CCDC.
2015-09-28 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90.204(2)
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   9.7331(3)
_cell_length_b                   9.7771(3)
_cell_length_c                   10.5392(3)
_cell_measurement_reflns_used    3269
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      21.14
_cell_measurement_theta_min      2.84
_cell_volume                     1002.92(5)
_computing_cell_refinement       'SAINT v7.68A (Bruker, 2009)'
_computing_data_reduction        'SAINT v7.68A (Bruker, 2009)'
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'ShelXL (Sheldrick, 2008)'
_computing_structure_solution    'ShelXS (Sheldrick, 2008)'
_diffrn_ambient_temperature      296.15
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0418
_diffrn_reflns_av_unetI/netI     0.0398
_diffrn_reflns_Laue_measured_fraction_full 0.998
_diffrn_reflns_Laue_measured_fraction_max 0.998
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            14531
_diffrn_reflns_point_group_measured_fraction_full 0.992
_diffrn_reflns_point_group_measured_fraction_max 0.982
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.459
_diffrn_reflns_theta_min         2.854
_exptl_absorpt_coefficient_mu    0.074
_exptl_absorpt_correction_T_max  0.7456
_exptl_absorpt_correction_T_min  0.6559
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2008/1 (Bruker,2008) was used for absorption correction.
wR2(int) was 0.0558 before and 0.0431 after correction.
The Ratio of minimum to maximum transmission is 0.8797.
The \l/2 correction factor is 0.0015.
;
_exptl_crystal_colour            colourless
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.237
_exptl_crystal_density_meas      .
_exptl_crystal_description       plate
_exptl_crystal_F_000             392
_exptl_crystal_recrystallization_method 'Vapour Deposition'
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.24
_exptl_crystal_size_min          0.19
_refine_diff_density_max         0.140
_refine_diff_density_min         -0.117
_refine_diff_density_rms         0.030
_refine_ls_abs_structure_details
;
 Flack x determined using 1149 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   -3.0(10)
_refine_ls_extinction_coef       0.026(6)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     'SHELXL-2014/7 (Sheldrick 2014'
_refine_ls_goodness_of_fit_ref   1.037
_refine_ls_hydrogen_treatment    refall
_refine_ls_matrix_type           full
_refine_ls_number_parameters     339
_refine_ls_number_reflns         4526
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.037
_refine_ls_R_factor_all          0.0690
_refine_ls_R_factor_gt           0.0441
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0611P)^2^+0.0084P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1049
_refine_ls_wR_factor_ref         0.1186
_reflns_Friedel_coverage         0.860
_reflns_Friedel_fraction_full    0.985
_reflns_Friedel_fraction_max     0.965
_reflns_number_gt                3206
_reflns_number_total             4526
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c5cc05973a2.cif
_cod_data_source_block           peru_sm_43_0m
_cod_database_code               7118110
_olex2_refinement_description
;
;
_shelx_shelxl_version_number     2014/7
_olex2_submission_special_instructions 'No special instructions were received'