Aromatic saddles containing two heptagons.
Cheung, Kwan Yin; Xu, Xiaomin; Miao, Qian; Journal of the American Chemical Society 137 (2015) 3910–3914; doi:10.1021/jacs.5b00403

data_4129307
_publ_section_title
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 Aromatic saddles containing two heptagons.
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_journal_issue                   11
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              3910
_journal_page_last               3914
_journal_paper_doi               10.1021/jacs.5b00403
_journal_volume                  137
_journal_year                    2015
_chemical_formula_sum            'C68 H66 O6'
_chemical_formula_weight         979.21
_chemical_name_common            'tetrahexyloxy bitropone-embedded HBC'
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_symmetry_cell_setting           triclinic
_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                62.3110(10)
_cell_angle_beta                 88.6560(10)
_cell_angle_gamma                77.7940(10)
_cell_formula_units_Z            1
_cell_length_a                   12.0338(8)
_cell_length_b                   15.7225(11)
_cell_length_c                   16.3451(12)
_cell_measurement_reflns_used    58
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      15
_cell_measurement_theta_min      15
_cell_volume                     2666.5(3)
_computing_cell_refinement       'BRUKER KAPPA APEXII DUO DIFFRACTOMETER'
_computing_data_collection       'BRUKER KAPPA APEXII DUO DIFFRACTOMETER'
_computing_data_reduction        'BRUKER KAPPA APEXII DUO DIFFRACTOMETER'
_computing_molecular_graphics    'BRUKER SHELXTL'
_computing_publication_material  'BRUKER SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'BRUKER KAPPA APEXII DUO DIFFRACTOMETER'
_diffrn_measurement_method       'PHI & OMEGA 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  0.0455
_diffrn_reflns_av_sigmaI/netI    0.0495
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            39343
_diffrn_reflns_theta_full        25.25
_diffrn_reflns_theta_max         25.25
_diffrn_reflns_theta_min         1.41
_exptl_absorpt_coefficient_mu    0.038
_exptl_absorpt_correction_T_max  0.7456
_exptl_absorpt_correction_T_min  0.6626
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    0.610
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             522
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.323
_refine_diff_density_min         -0.240
_refine_diff_density_rms         0.055
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.041
_refine_ls_hydrogen_treatment    riding
_refine_ls_matrix_type           full
_refine_ls_number_parameters     736
_refine_ls_number_reflns         9640
_refine_ls_number_restraints     38
_refine_ls_restrained_S_all      1.063
_refine_ls_R_factor_all          0.1275
_refine_ls_R_factor_gt           0.0772
_refine_ls_shift/su_max          0.003
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0921P)^2^+0.9829P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1908
_refine_ls_wR_factor_ref         0.2298
_reflns_number_gt                6091
_reflns_number_total             9640
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja5b00403_si_004.cif
_cod_data_source_block           bitropone-embedded-HBC-tetrahexyloxy
_cod_depositor_comments
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The following automatic conversions were performed:

data item '_symmetry_cell_setting' value 'Triclinic' was changed to
'triclinic' in accordance with the
/home/saulius/struct/COD-crude-data/automatic-downloads/DataCite-retrospective/ACS/depositions/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 last updated on
2011-04-26.

Automatic conversion script
Id: cif_fix_values 6909 2019-04-08 15:41:33Z antanas 
;
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               4129307