Triarylcarbinol derivatives barter intermolecular interactions to accommodate substituents and create polymorphs
Bacchi, Alessia; Bosetti, Elsa; Carcelli, Mauro; Pelagatti, Paolo; Pelizzi, Giancarlo; Rogolino, Dominga; CrystEngComm 8 (2006) 233–; doi:10.1039/b513876k

data_7203156
_publ_section_title
;
 Triarylcarbinol derivatives barter intermolecular interactions to
 accommodate substituents and create polymorphs
;
_journal_issue                   3
_journal_name_full               CrystEngComm
_journal_page_first              233
_journal_paper_doi               10.1039/b513876k
_journal_volume                  8
_journal_year                    2006
_chemical_formula_sum            'C22 H25 N3 O'
_chemical_formula_weight         347.45
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 102.076(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   16.979(2)
_cell_length_b                   7.706(8)
_cell_length_c                   31.237(3)
_cell_measurement_temperature    293(2)
_cell_volume                     3997(4)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'CAD4 diffractometer'
_diffrn_measurement_method       '\w/2\q scan'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0367
_diffrn_reflns_av_sigmaI/netI    0.0243
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       7
_diffrn_reflns_limit_k_min       -7
_diffrn_reflns_limit_l_max       31
_diffrn_reflns_limit_l_min       -31
_diffrn_reflns_number            12329
_diffrn_reflns_theta_full        20.83
_diffrn_reflns_theta_max         20.83
_diffrn_reflns_theta_min         1.33
_diffrn_standards_interval_count 100
_diffrn_standards_number         1
_exptl_absorpt_coefficient_mu    0.072
_exptl_crystal_colour            white
_exptl_crystal_density_diffrn    1.155
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prisms
_exptl_crystal_F_000             1488
_exptl_crystal_size_max          .17
_exptl_crystal_size_mid          .11
_exptl_crystal_size_min          .07
_refine_diff_density_max         0.655
_refine_diff_density_min         -0.135
_refine_diff_density_rms         0.050
_refine_ls_extinction_coef       0.0020(5)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.103
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     244
_refine_ls_number_reflns         2102
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.103
_refine_ls_R_factor_all          0.0624
_refine_ls_R_factor_gt           0.0517
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1009P)^2^+1.3280P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1514
_refine_ls_wR_factor_ref         0.1579
_reflns_number_gt                1699
_reflns_number_total             2102
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b513876k.txt
_cod_data_source_block           beta-PG
_cod_original_sg_symbol_H-M      C2/c
_cod_database_code               7203156