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_7203155
_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           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 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                 95.6(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   10.67(7)
_cell_length_b                   7.760(10)
_cell_length_c                   24.24(3)
_cell_measurement_temperature    293(2)
_cell_volume                     1997(14)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 1.000
_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           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.2513
_diffrn_reflns_av_sigmaI/netI    0.4044
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       8
_diffrn_reflns_limit_k_min       -8
_diffrn_reflns_limit_l_max       27
_diffrn_reflns_limit_l_min       0
_diffrn_reflns_number            5643
_diffrn_reflns_theta_full        60.05
_diffrn_reflns_theta_max         60.05
_diffrn_reflns_theta_min         3.66
_diffrn_standards_interval_count 100
_diffrn_standards_number         1
_exptl_absorpt_coefficient_mu    0.564
_exptl_crystal_colour            white
_exptl_crystal_density_diffrn    1.155
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prisms
_exptl_crystal_F_000             744
_exptl_crystal_size_max          .14
_exptl_crystal_size_mid          .11
_exptl_crystal_size_min          .08
_refine_diff_density_max         0.181
_refine_diff_density_min         -0.181
_refine_diff_density_rms         0.036
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.656
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     207
_refine_ls_number_reflns         2964
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.656
_refine_ls_R_factor_all          0.3189
_refine_ls_R_factor_gt           0.0498
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0013P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0603
_refine_ls_wR_factor_ref         0.1077
_reflns_number_gt                478
_reflns_number_total             2964
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b513876k.txt
_cod_data_source_block           alpha-PG
_cod_original_sg_symbol_H-M      P21/n
_cod_database_code               7203155