Synthesis, Structures, and Solid State Self-Assemblies of Formyl and Acetyl Substituted Triptycenes and Their Derivatives
Peng-Fei Li; Chuan-Feng Chen; Journal of Organic Chemistry 77 (2012) 9250–9259; doi:10.1021/jo301820v

data_4027616
_publ_section_title
;
 Synthesis, Structures, and Solid State Self-Assemblies of Formyl and
 Acetyl Substituted Triptycenes and Their Derivatives
;
_journal_name_full               'Journal of Organic Chemistry'
_journal_page_first              9250
_journal_page_last               9259
_journal_paper_doi               10.1021/jo301820v
_journal_volume                  77
_journal_year                    2012
_chemical_formula_moiety         'C24 H18 O2'
_chemical_formula_sum            'C24 H18 O2'
_chemical_formula_weight         338.38
_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                 95.955(5)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   8.139(2)
_cell_length_b                   18.435(5)
_cell_length_c                   11.810(4)
_cell_measurement_reflns_used    5326
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      27.48
_cell_measurement_theta_min      1.10
_cell_volume                     1762.4(9)
_computing_cell_refinement       'CrystalClear (Rigaku Inc., 2007)'
_computing_data_collection       'CrystalClear (Rigaku Inc., 2007)'
_computing_data_reduction        'CrystalClear (Rigaku Inc., 2007)'
_computing_molecular_graphics    'XP in Siemens SHELXTL (Sheldrick, 1994)'
_computing_publication_material  'SHELX97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.993
_diffrn_measured_fraction_theta_max 0.993
_diffrn_measurement_device_type  'Saturn724+ CCD'
_diffrn_measurement_method       '\w scans at fixed \c = 45\%'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0474
_diffrn_reflns_av_sigmaI/netI    0.0438
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       23
_diffrn_reflns_limit_k_min       -23
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            12745
_diffrn_reflns_theta_full        27.49
_diffrn_reflns_theta_max         27.49
_diffrn_reflns_theta_min         2.75
_exptl_absorpt_coefficient_mu    0.080
_exptl_absorpt_correction_T_max  0.9818
_exptl_absorpt_correction_T_min  0.9611
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'CrystalClear (Rigaku Inc., 2007)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.275
_exptl_crystal_description       block
_exptl_crystal_F_000             712
_exptl_crystal_size_max          0.50
_exptl_crystal_size_mid          0.40
_exptl_crystal_size_min          0.23
_refine_diff_density_max         0.235
_refine_diff_density_min         -0.195
_refine_diff_density_rms         0.043
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.204
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     237
_refine_ls_number_reflns         4028
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.204
_refine_ls_R_factor_all          0.0828
_refine_ls_R_factor_gt           0.0728
_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^)+(0.0495P)^2^+0.8004P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1576
_refine_ls_wR_factor_ref         0.1634
_reflns_number_gt                3608
_reflns_number_total             4028
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jo301820v_si_002.cif
_cod_data_source_block           sa1262
_cod_original_cell_volume        1762.5(9)
_cod_database_code               4027616