[3 + 3] Cyclodimerization of Methylenecyclopropanes: Stoichiometric and Catalytic Reactions of Nickel(0) with Electron-Deficient Alkylidenecyclopropanes
Ohashi, Masato; Taniguchi, Tomoaki; Ogoshi, Sensuke; Organometallics 29 (2010) 2386–; doi:10.1021/om100317y

data_4066149
_publ_section_title
;
 [3 + 3] Cyclodimerization of Methylenecyclopropanes: Stoichiometric and
 Catalytic Reactions of Nickel(0) with Electron-Deficient
 Alkylidenecyclopropanes
;
_journal_issue                   11
_journal_name_full               Organometallics
_journal_page_first              2386
_journal_paper_doi               10.1021/om100317y
_journal_volume                  29
_journal_year                    2010
_chemical_formula_moiety         'C22 H32 Ni O4'
_chemical_formula_sum            'C22 H32 Ni O4'
_chemical_formula_weight         419.19
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_Int_Tables_number      14
_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                 103.946(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   10.6932(7)
_cell_length_b                   9.8476(6)
_cell_length_c                   19.4131(13)
_cell_measurement_reflns_used    12794
_cell_measurement_temperature    123(2)
_cell_measurement_theta_max      25.00
_cell_measurement_theta_min      3.00
_cell_volume                     1984.0(2)
_computing_cell_refinement       'Rigaku/RAPID Diffractometer Control'
_computing_data_collection       'Rigaku/RAPID Diffractometer Control'
_computing_data_reduction        'teXsan: PROCESS (MSC)'
_computing_molecular_graphics    'Ortep-3 (Louis J. Farrugia, 1999)'
_computing_publication_material  'SHELXL-97 and modified'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1999)'
_computing_structure_solution    'PATTY (Bueskens, et al., 1994)'
_diffrn_ambient_temperature      123(2)
_diffrn_detector_area_resol_mean 10.00
_diffrn_measured_fraction_theta_full 0.982
_diffrn_measured_fraction_theta_max 0.982
_diffrn_measurement_device_type  'Rigaku R-AXIS RAPID'
_diffrn_measurement_method       \w
_diffrn_radiation_detector       'imaging plate'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71075
_diffrn_reflns_av_R_equivalents  0.0887
_diffrn_reflns_av_sigmaI/netI    0.0637
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            19237
_diffrn_reflns_theta_full        25.35
_diffrn_reflns_theta_max         25.35
_diffrn_reflns_theta_min         2.99
_exptl_absorpt_coefficient_mu    1.003
_exptl_absorpt_correction_T_max  0.90
_exptl_absorpt_correction_T_min  0.79
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
Higashi, T. (1999). Abscor - Empirical Absorption Correction based on
Fourier Series Approximation. Rigaku Corporation, Tokyo, Japan.
;
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.403
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       platelet
_exptl_crystal_F_000             896
_exptl_crystal_size_max          0.35
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.10
_refine_diff_density_max         1.430
_refine_diff_density_min         -0.873
_refine_diff_density_rms         0.136
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.088
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     246
_refine_ls_number_reflns         3570
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.088
_refine_ls_R_factor_all          0.1060
_refine_ls_R_factor_gt           0.0827
_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^)+(0.1371P)^2^+4.7849P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2175
_refine_ls_wR_factor_ref         0.2445
_reflns_number_gt                2609
_reflns_number_total             3570
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om100317y_si_002.cif
_cod_data_source_block           3a
_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.

'_exptl_absorpt_correction_type' value 'Multi-Scan'
changed to 'multi-scan' 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_sg_symbol_Hall     '-p 2ybc'
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               4066149