Double-Stranded Cycles: Toward C~84~'s Belt Region
Mihaiela Stuparu; Volker Gramlich; Amnon Stanger; A. Dieter Schlüter; Journal of Organic Chemistry 72 (2007) 424–430; doi:10.1021/jo0617114

data_4022612
_publ_section_title
;
 Double-Stranded Cycles: Toward C~84~'s Belt Region
;
_journal_name_full               'Journal of Organic Chemistry'
_journal_page_first              424
_journal_page_last               430
_journal_paper_doi               10.1021/jo0617114
_journal_volume                  72
_journal_year                    2007
_chemical_formula_sum            'C73 H78 Cl2'
_chemical_formula_weight         1026.25
_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                 106.09(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   12.907(3)
_cell_length_b                   17.163(3)
_cell_length_c                   13.244(3)
_cell_measurement_reflns_used    16
_cell_measurement_temperature    295(2)
_cell_measurement_theta_max      25
_cell_measurement_theta_min      20
_cell_volume                     2818.9(10)
_computing_cell_refinement       'STOE DIF4'
_computing_data_collection       'PICKER STOE DIF4'
_computing_data_reduction        'STOE REDU4'
_computing_molecular_graphics    SHELXLTL-Plus
_computing_publication_material  SHELXL-93
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      295(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_method       ' \w scans'
_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  0.0313
_diffrn_reflns_av_sigmaI/netI    0.0497
_diffrn_reflns_limit_h_max       0
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       0
_diffrn_reflns_limit_k_min       -20
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            5151
_diffrn_reflns_theta_full        66.94
_diffrn_reflns_theta_max         65.94
_diffrn_reflns_theta_min         4.23
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 120
_diffrn_standards_number         1
_exptl_absorpt_coefficient_mu    1.355
_exptl_absorpt_correction_T_max  0.87
_exptl_absorpt_correction_T_min  0.77
_exptl_absorpt_correction_type   numerical
_exptl_absorpt_process_details   SHELXPREP
_exptl_crystal_density_diffrn    1.209
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             1100
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.322
_refine_diff_density_min         -0.237
_refine_diff_density_rms         0.049
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.067
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     352
_refine_ls_number_reflns         4920
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.067
_refine_ls_R_factor_all          0.1117
_refine_ls_R_factor_gt           0.0611
_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^)+(0.0765P)^2^+1.6079P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1482
_refine_ls_wR_factor_ref         0.1905
_reflns_number_gt                3102
_reflns_number_total             4920
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jo0617114si20060829_102744.cif
_cod_data_source_block           m
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to '/home/saulius/struct/CIF-dictionaries/cif_core.dic'
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius 
;
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               4022612