The Reductive Activation of CO2 Across a Ti=Ti Double Bond: Synthetic, Structural, and Mechanistic Studies.
Kilpatrick, Alexander F. R.; Green, Jennifer C.; Cloke, F Geoffrey N; Organometallics 34 (2015) 4816–4829; doi:10.1021/acs.organomet.5b00315

data_4086019
_publ_section_title
;
 The Reductive Activation of CO2 Across a Ti=Ti Double Bond: Synthetic,
 Structural, and Mechanistic Studies.
;
_journal_issue                   20
_journal_name_full               Organometallics
_journal_page_first              4816
_journal_page_last               4829
_journal_paper_doi               10.1021/acs.organomet.5b00315
_journal_volume                  34
_journal_year                    2015
_chemical_formula_moiety         'C53 H91 S2 Si4 Ti2'
_chemical_formula_sum            'C53 H91 S2 Si4 Ti2'
_chemical_formula_weight         1000.53
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     heavy
_atom_sites_solution_secondary   difmap
_audit_creation_date             2015-01-26
_audit_creation_method
;
Olex2 1.2
(compiled 2014.09.19 svn.r3010 for OlexSys, GUI svn.r4874)
;
_cell_angle_alpha                88.928(4)
_cell_angle_beta                 69.270(5)
_cell_angle_gamma                65.223(5)
_cell_formula_units_Z            2
_cell_length_a                   14.1432(8)
_cell_length_b                   14.1716(7)
_cell_length_c                   18.3870(9)
_cell_measurement_reflns_used    6013
_cell_measurement_temperature    173
_cell_measurement_theta_max      28.0050
_cell_measurement_theta_min      3.3200
_cell_volume                     3092.8(3)
_computing_cell_refinement
;
CrysAlisPro, Agilent Technologies,
Version 1.171.36.24
;
_computing_data_collection
;
CrysAlisPro, Agilent Technologies,
Version 1.171.36.24
;
_computing_data_reduction
;
CrysAlisPro, Agilent Technologies,
Version 1.171.36.24
;
_computing_molecular_graphics    'Ortep-3 (Farrugia, 1997)'
_computing_publication_material
;
OLEX2 (Dolomanov et al, 2009), PLATON (Spek, 2003) and WinGX (Farrugia, 2013)
;
_computing_structure_refinement  'SHELXL-2013 (Sheldrick, 2013)'
_computing_structure_solution
;
DIRDIF-08 (Beurskens et al., 2008)
;
_diffrn_ambient_temperature      173.15
_diffrn_detector_area_resol_mean 16.1033
_diffrn_measured_fraction_theta_full 0.988
_diffrn_measured_fraction_theta_max 0.988
_diffrn_measurement_device_type  'Xcalibur, Eos, Gemini ultra'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0457
_diffrn_reflns_av_unetI/netI     0.1003
_diffrn_reflns_laue_measured_fraction_full 0.988
_diffrn_reflns_laue_measured_fraction_max 0.988
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            17868
_diffrn_reflns_point_group_measured_fraction_full 0.988
_diffrn_reflns_point_group_measured_fraction_max 0.988
_diffrn_reflns_theta_full        24.713
_diffrn_reflns_theta_max         24.713
_diffrn_reflns_theta_min         3.080
_diffrn_source                   'Enhance (Mo) X-ray Source'
_exptl_absorpt_coefficient_mu    0.433
_exptl_absorpt_correction_T_max  1.0000
_exptl_absorpt_correction_T_min  1.00000
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro, Agilent Technologies,
Version 1.171.37.33 (release 27-03-2014 CrysAlis171 .NET)
(compiled Mar 27 2014,17:12:48)
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    1.074
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1082
_exptl_crystal_preparation       'synthesis as described'
_exptl_crystal_recrystallization_method 'From Et2O solution at -35 C'
_exptl_crystal_size_max          0.5
_exptl_crystal_size_mid          0.3
_exptl_crystal_size_min          0.2
_platon_squeeze_details
;
;
_refine_diff_density_max         0.730
_refine_diff_density_min         -0.427
_refine_diff_density_rms         0.079
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.984
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     550
_refine_ls_number_reflns         10418
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.984
_refine_ls_R_factor_all          0.0959
_refine_ls_R_factor_gt           0.0597
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0754P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1463
_refine_ls_wR_factor_ref         0.1637
_reflns_Friedel_coverage         0.000
_reflns_number_gt                6841
_reflns_number_total             10418
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            om5b00315_si_003.cif
_cod_data_source_block           Compound8.Et2O
_cod_depositor_comments
;Adding full bibliography for 4086017--4086022.cif.

 Adding full bibliography for 4086017--4086022.cif.
;
_cod_database_code               4086019
_shelx_estimated_absorpt_t_max   0.918
_shelx_estimated_absorpt_t_min   0.813
_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:
 C9(H9), C12(H12), C15(H15), C18(H18), C21(H21), C35(H35), C38(H38), C41(H41),
 C44(H44), C47(H47), C50(H50)
2.b Me refined with riding coordinates:
 C10(H10A,H10B,H10C), C11(H11A,H11B,H11C), C13(H13A,H13B,H13C), C14(H14A,H14B,
 H14C), C16(H16A,H16B,H16C), C17(H17A,H17B,H17C), C19(H19A,H19B,H19C), C20(H20A,
 H20B,H20C), C22(H22A,H22B,H22C), C23(H23A,H23B,H23C), C25(H25A,H25B,H25C),
 C26(H26A,H26B,H26C), C36(H36A,H36B,H36C), C37(H37A,H37B,H37C), C39(H39A,H39B,
 H39C), C40(H40A,H40B,H40C), C42(H42A,H42B,H42C), C43(H43A,H43B,H43C), C45(H45A,
 H45B,H45C), C46(H46A,H46B,H46C), C48(H48A,H48B,H48C), C49(H49A,H49B,H49C),
 C51(H51A,H51B,H51C), C52(H52A,H52B,H52C)
2.c Aromatic/amide H refined with riding coordinates:
 C2(H2), C3(H3), C6(H6), C7(H7), C28(H28), C29(H29), C32(H32), C33(H33)
;
_shelx_shelxl_version_number     2014/7
_olex2_submission_original_sample_id 'Compound 9'
_olex2_submission_special_instructions 'No special instructions were received'