Molecular Compasses and Gyroscopes with Polar Rotors: Synthesis and Characterization of Crystalline Forms
Zaira Dominguez; Tinh-A. V. Khuong; Hung Dang; Carlos N. Sanrame; Jose E. Nuñez; Miguel A. Garcia-Garibay; Journal of the American Chemical Society 125 (2003) 8827–8837; doi:10.1021/ja035274b

data_4113946
_publ_section_title
;
 Molecular Compasses and Gyroscopes with Polar Rotors: Synthesis and
 Characterization of Crystalline Forms
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              8827
_journal_page_last               8837
_journal_paper_doi               10.1021/ja035274b
_journal_volume                  125
_journal_year                    2003
_chemical_formula_sum            'C48 H32 F'
_chemical_formula_weight         627.74
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                62.126(2)
_cell_angle_beta                 85.744(3)
_cell_angle_gamma                71.673(2)
_cell_formula_units_Z            1
_cell_length_a                   9.1732(13)
_cell_length_b                   10.4607(14)
_cell_length_c                   10.4726(14)
_cell_measurement_reflns_used    3233
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      27.7175
_cell_measurement_theta_min      2.33600
_cell_volume                     840.1(2)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SHELXTL'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.918
_diffrn_measured_fraction_theta_max 0.918
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_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  0.0120
_diffrn_reflns_av_sigmaI/netI    0.0246
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -11
_diffrn_reflns_number            5519
_diffrn_reflns_theta_full        28.28
_diffrn_reflns_theta_max         28.28
_diffrn_reflns_theta_min         2.21
_exptl_absorpt_coefficient_mu    0.074
_exptl_absorpt_correction_T_max  1.000
_exptl_absorpt_correction_T_min  0.858
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   Sadabs(Bruker)
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.241
_exptl_crystal_description       block
_exptl_crystal_F_000             329
_exptl_crystal_size_max          0.5
_exptl_crystal_size_mid          0.2
_exptl_crystal_size_min          0.2
_refine_diff_density_max         0.375
_refine_diff_density_min         -0.198
_refine_diff_density_rms         0.041
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.078
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     226
_refine_ls_number_reflns         3818
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.078
_refine_ls_R_factor_all          0.0489
_refine_ls_R_factor_gt           0.0407
_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^)+(0.0602P)^2^+0.1644P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1095
_refine_ls_wR_factor_ref         0.1150
_reflns_number_gt                3225
_reflns_number_total             3818
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja035274bsi20030321_024224.cif
_cod_data_source_block           gg260
_cod_database_code               4113946