Sterically stabilized cyclopropenonophanes and an electronically stabilized cyclopropenethionophane: syntheses, structural properties, and reactivity.
Werz, Daniel B.; Schuster, Andreea; Gleiter, Rolf; Rominger, Frank; Organic letters 7 (2005) 917–920; doi:10.1021/ol047317e

data_1506446
_publ_section_title
;
 Sterically stabilized cyclopropenonophanes and an electronically
 stabilized cyclopropenethionophane: syntheses, structural properties, and
 reactivity.
;
_journal_issue                   5
_journal_name_full               'Organic letters'
_journal_page_first              917
_journal_page_last               920
_journal_paper_doi               10.1021/ol047317e
_journal_volume                  7
_journal_year                    2005
_chemical_formula_sum            'C24 H36 O2'
_chemical_formula_weight         356.53
_chemical_name_common            6alpha_in_paper
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 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                 100.68
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   40.0257(6)
_cell_length_b                   7.4849(2)
_cell_length_c                   15.0438(3)
_cell_measurement_temperature    200(2)
_cell_volume                     4428.88(16)
_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      200(2)
_diffrn_measured_fraction_theta_full 0.917
_diffrn_measured_fraction_theta_max 0.917
_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  0.0757
_diffrn_reflns_av_sigmaI/netI    0.0574
_diffrn_reflns_limit_h_max       48
_diffrn_reflns_limit_h_min       -46
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -8
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            33435
_diffrn_reflns_theta_full        25.64
_diffrn_reflns_theta_max         25.64
_diffrn_reflns_theta_min         1.38
_exptl_absorpt_coefficient_mu    0.066
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.069
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       polyhedro
_exptl_crystal_F_000             1568
_exptl_crystal_size_max          .32
_exptl_crystal_size_mid          .32
_exptl_crystal_size_min          .14
_refine_diff_density_max         0.323
_refine_diff_density_min         -0.269
_refine_diff_density_rms         0.060
_refine_ls_extinction_method     none
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_refine_ls_hydrogen_treatment    refall
_refine_ls_matrix_type           full
_refine_ls_number_parameters     758
_refine_ls_number_reflns         7678
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.079
_refine_ls_R_factor_all          0.1071
_refine_ls_R_factor_gt           0.0636
_refine_ls_shift/su_max          0.292
_refine_ls_shift/su_mean         0.027
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0859P)^2^+1.8353P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1565
_refine_ls_wR_factor_ref         0.1811
_reflns_number_gt                5090
_reflns_number_total             7678
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ol047317esi20050104_032504.cif
_cod_data_source_block           as2
_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_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_cell_volume        4428.90(16)
_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               1506446