Chemistry of vinylidenecyclopropanes.
Shi, Min; Shao, Li-Xiong; Lu, Jian-Mei; Wei, Yin; Mizuno, Kazuhiko; Maeda, Hajime; Chemical reviews 110 (2010) 5883–5913; doi:10.1021/cr900381k

data_1502651
_publ_section_title
;
 Chemistry of vinylidenecyclopropanes.
;
_journal_issue                   10
_journal_name_full               'Chemical reviews'
_journal_page_first              5883
_journal_page_last               5913
_journal_paper_doi               10.1021/cr900381k
_journal_volume                  110
_journal_year                    2010
_chemical_formula_sum            'C21 H22'
_chemical_formula_weight         274.39
_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                108.462(2)
_cell_angle_beta                 93.591(2)
_cell_angle_gamma                91.936(2)
_cell_formula_units_Z            4
_cell_length_a                   10.3256(10)
_cell_length_b                   11.1547(11)
_cell_length_c                   15.7258(15)
_cell_measurement_reflns_used    2372
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      46.978
_cell_measurement_theta_min      5.368
_cell_volume                     1711.9(3)
_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      293(2)
_diffrn_measured_fraction_theta_full 0.982
_diffrn_measured_fraction_theta_max 0.982
_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  0.0428
_diffrn_reflns_av_sigmaI/netI    0.0622
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            9395
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         26.00
_diffrn_reflns_theta_min         1.37
_exptl_absorpt_coefficient_mu    0.060
_exptl_absorpt_correction_T_max  1.0000
_exptl_absorpt_correction_T_min  0.4079
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.065
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prismatic
_exptl_crystal_F_000             592
_exptl_crystal_size_max          0.480
_exptl_crystal_size_mid          0.401
_exptl_crystal_size_min          0.323
_refine_diff_density_max         0.137
_refine_diff_density_min         -0.146
_refine_diff_density_rms         0.039
_refine_ls_extinction_coef       0.0228(18)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   0.922
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     388
_refine_ls_number_reflns         6606
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.922
_refine_ls_R_factor_all          0.0881
_refine_ls_R_factor_gt           0.0519
_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^)+(0.0592P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1198
_refine_ls_wR_factor_ref         0.1343
_reflns_number_gt                3885
_reflns_number_total             6606
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            cr900381k_si_002.cif
_cod_data_source_block           cd20177
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               1502651