Rh(I)-catalyzed Pauson-Khand-type cycloaddition reaction of ene-vinylidenecyclopropanes with carbon monoxide (CO).
Yuan, Wei; Dong, Xiang; Shi, Min; McDowell, Patrick; Li, Guigen; Organic letters 14 (2012) 5582–5585; doi:10.1021/ol302705z

data_1508753
_publ_section_title
;
 Rh(I)-catalyzed Pauson-Khand-type cycloaddition reaction of
 ene-vinylidenecyclopropanes with carbon monoxide (CO).
;
_journal_issue                   21
_journal_name_full               'Organic letters'
_journal_page_first              5582
_journal_page_last               5585
_journal_paper_doi               10.1021/ol302705z
_journal_volume                  14
_journal_year                    2012
_chemical_formula_sum            'C18 H21 N O3 S'
_chemical_formula_weight         331.42
_space_group_IT_number           61
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-P 2ac 2ab'
_symmetry_space_group_name_H-M   'P b c a'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   20.4027(19)
_cell_length_b                   7.1468(7)
_cell_length_c                   22.129(2)
_cell_measurement_reflns_used    9115
_cell_measurement_temperature    133(2)
_cell_measurement_theta_max      32.10
_cell_measurement_theta_min      2.72
_cell_volume                     3226.7(5)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_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      133(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w 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  0.0324
_diffrn_reflns_av_sigmaI/netI    0.0236
_diffrn_reflns_limit_h_max       28
_diffrn_reflns_limit_h_min       -19
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       31
_diffrn_reflns_limit_l_min       -31
_diffrn_reflns_number            27114
_diffrn_reflns_theta_full        30.00
_diffrn_reflns_theta_max         30.00
_diffrn_reflns_theta_min         1.84
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.216
_exptl_absorpt_correction_T_max  0.9788
_exptl_absorpt_correction_T_min  0.9284
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.364
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             1408
_exptl_crystal_size_max          0.35
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.431
_refine_diff_density_min         -0.273
_refine_diff_density_rms         0.058
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.048
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     210
_refine_ls_number_reflns         4690
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.048
_refine_ls_R_factor_all          0.0502
_refine_ls_R_factor_gt           0.0403
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0570P)^2^+1.5627P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1066
_refine_ls_wR_factor_ref         0.1141
_reflns_number_gt                3932
_reflns_number_total             4690
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ol302705z_si_002.cif
_cod_data_source_block           dm11281
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Orthorhombic' changed to
'orthorhombic' 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 1891 2012-01-12 08:04:46Z andrius 
;
_cod_original_sg_symbol_H-M      Pbca
_cod_database_code               1508753