Cobalt-Catalyzed Hydrosilylation/Cyclization of 1,6-Enynes.
Xi, Tuo; Lu, Zhan; The Journal of organic chemistry 81 (2016) 8858–8866; doi:10.1021/acs.joc.6b01555

data_4037117
_publ_section_title
;
 Cobalt-Catalyzed Hydrosilylation/Cyclization of 1,6-Enynes.
;
_journal_issue                   19
_journal_name_full               'The Journal of organic chemistry'
_journal_page_first              8858
_journal_page_last               8866
_journal_paper_doi               10.1021/acs.joc.6b01555
_journal_volume                  81
_journal_year                    2016
_chemical_formula_moiety         'C36 H44 Cl4 Co2 N4'
_chemical_formula_sum            'C36 H44 Cl4 Co2 N4'
_chemical_formula_weight         792.41
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_date             2016-03-08
_audit_creation_method
;
Olex2 1.2
(compiled 2014.03.20 svn.r2914 for OlexSys, GUI svn.r4816)
;
_cell_angle_alpha                90.00
_cell_angle_beta                 108.691(6)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   9.9321(5)
_cell_length_b                   14.6138(7)
_cell_length_c                   13.9842(7)
_cell_measurement_reflns_used    2434
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      29.5012
_cell_measurement_theta_min      3.1776
_cell_volume                     1922.70(18)
_computing_cell_refinement
;
CrysAlisPro, Agilent Technologies,
Version 1.171.35.11 (release 16-05-2011 CrysAlis171 .NET)
(compiled May 16 2011,17:55:39)
;
_computing_data_collection
;
CrysAlisPro, Agilent Technologies,
Version 1.171.35.11 (release 16-05-2011 CrysAlis171 .NET)
(compiled May 16 2011,17:55:39)
;
_computing_data_reduction
;
CrysAlisPro, Agilent Technologies,
Version 1.171.35.11 (release 16-05-2011 CrysAlis171 .NET)
(compiled May 16 2011,17:55:39)
;
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'ShelXL (Sheldrick, 2008)'
_computing_structure_solution    'ShelXS (Sheldrick, 2008)'
_diffrn_ambient_temperature      293.15
_diffrn_detector_area_resol_mean 10.3592
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'Xcalibur, Atlas, Gemini ultra'
_diffrn_measurement_method       '\w scans'
_diffrn_orient_matrix_UB_11      0.0027872000
_diffrn_orient_matrix_UB_12      -0.0297995000
_diffrn_orient_matrix_UB_13      0.0406158000
_diffrn_orient_matrix_UB_21      -0.0316394000
_diffrn_orient_matrix_UB_22      0.0342856000
_diffrn_orient_matrix_UB_23      0.0217141000
_diffrn_orient_matrix_UB_31      -0.0683745000
_diffrn_orient_matrix_UB_32      -0.0170989000
_diffrn_orient_matrix_UB_33      -0.0273063000
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0295
_diffrn_reflns_av_unetI/netI     0.0465
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            7382
_diffrn_reflns_theta_full        25.35
_diffrn_reflns_theta_max         25.35
_diffrn_reflns_theta_min         3.18
_diffrn_source                   'Enhance (Mo) X-ray Source'
_exptl_absorpt_coefficient_mu    1.170
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.92598
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro, Agilent Technologies,
Version 1.171.35.11 (release 16-05-2011 CrysAlis171 .NET)
(compiled May 16 2011,17:55:39)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            'dark red'
_exptl_crystal_colour_modifier   dark
_exptl_crystal_colour_primary    red
_exptl_crystal_density_diffrn    1.369
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             820
_exptl_crystal_size_max          0.4
_exptl_crystal_size_mid          0.38
_exptl_crystal_size_min          0.35
_refine_diff_density_max         0.318
_refine_diff_density_min         -0.326
_refine_diff_density_rms         0.059
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.050
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     212
_refine_ls_number_reflns         3513
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.050
_refine_ls_R_factor_all          0.0560
_refine_ls_R_factor_gt           0.0385
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0364P)^2^+0.4247P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0820
_refine_ls_wR_factor_ref         0.0927
_reflns_number_gt                2748
_reflns_number_total             3513
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jo6b01555_si_002.cif
_cod_data_source_block           160308_xt6200_p
_cod_original_cell_volume        1922.69(17)
_cod_database_code               4037117
_chemical_oxdiff_formula         'c10 h10 n2 o1 Cl1 Co1'
_reflns_odcompleteness_completeness 99.59
_reflns_odcompleteness_iscentric 1
_reflns_odcompleteness_theta     26.32
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups
 At 1.5 times of:
  All C(H,H,H) groups
2.a Ternary CH refined with riding coordinates:
 C13(H13), C16(H16)
2.b Aromatic/amide H refined with riding coordinates:
 C1(H1), C2(H2), C3(H3), C4(H4), C6(H6), C9(H9), C10(H10), C11(H11)
2.c Idealised Me refined as rotating group:
 C14(H14A,H14B,H14C), C15(H15A,H15B,H15C), C17(H17A,H17B,H17C), C18(H18A,H18B,
 H18C)
;