Syntheses of Transition Metal Methoxysiloxides
Richers, Casseday P.; Bertke, Jeffery A.; Rauchfuss, Thomas; Dalton Trans.  (2017) –; doi:10.1039/C6DT04205H

data_7041729
_publ_section_title
;
 Syntheses of Transition Metal Methoxysiloxides
;
_journal_name_full               'Dalton Trans.'
_journal_paper_doi               10.1039/C6DT04205H
_journal_year                    2017
_chemical_formula_moiety         'C23.72 H41.15 Cl0.28 O3.72 Si Zr'
_chemical_formula_sum            'C23.72 H41.15 Cl0.28 O3.72 Si Zr'
_chemical_formula_weight         514.99
_chemical_name_systematic
; 
? 
;
_space_group_crystal_system      monoclinic
_space_group_IT_number           15
_space_group_name_Hall           '-C 2yc'
_space_group_name_H-M_alt        'C 1 2/c 1'
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/c 1'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2014/6
_audit_update_record
;
2016-10-31 deposited with the CCDC.
2017-01-17 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 92.231(3)
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   20.3393(12)
_cell_length_b                   8.6892(5)
_cell_length_c                   28.8433(17)
_cell_measurement_reflns_used    9680
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      28.35
_cell_measurement_theta_min      2.55
_cell_volume                     5093.7(5)
_computing_cell_refinement       'SAINT V8.34A (Bruker, 2005)'
_computing_data_collection       'APEX2 V2014.9-0 (Bruker, 2014)'
_computing_data_reduction
; 
SAINT V8.34A, XPREP v2014/2, SADABS V2014/4, TWINABS V2012/1 
(Bruker, 2012 & 2014) 
;
_computing_molecular_graphics
; 
SHELXTL v2014-4 (Bruker, 2014), CrystalMaker v2.7.7 (CrystalMaker, 1994) 
;
_computing_publication_material  'XCIF V2014-2 (Bruker, 2014)'
_computing_structure_refinement  'SHELX-2014-6 (Sheldrick, 2014)'
_computing_structure_solution    'SHELX-2014-4 (Sheldrick, 2014)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device       'Bruker Kappa/ApexII CCD'
_diffrn_measurement_method       'profile data from \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_radiation_wavelength_id  cm98qsa
_diffrn_reflns_av_R_equivalents  0.0463
_diffrn_reflns_av_unetI/netI     0.0205
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 0.999
_diffrn_reflns_limit_h_max       27
_diffrn_reflns_limit_h_min       -27
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       38
_diffrn_reflns_limit_l_min       -38
_diffrn_reflns_number            74954
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 0.999
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         28.369
_diffrn_reflns_theta_min         1.413
_exptl_absorpt_coefficient_mu    0.529
_exptl_absorpt_correction_T_max  0.95944
_exptl_absorpt_correction_T_min  0.92120
_exptl_absorpt_correction_type   integration
_exptl_absorpt_process_details   'SADABS V2014/4 (Bruker, 2014)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.343
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             2176
_exptl_crystal_id                cm98qsa
_exptl_crystal_preparation
; 
The data crystal was mounted using oil (Parantone-N, Exxon) to a 
0.3 mm cryo-loop (Hampton Research) with the (1 0 -3) scattering 
planes roughly normal to the spindle axis. 
;
_exptl_crystal_size_max          0.664
_exptl_crystal_size_mid          0.331
_exptl_crystal_size_min          0.222
_refine_diff_density_max         0.736
_refine_diff_density_min         -0.745
_refine_diff_density_rms         0.062
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.106
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     306
_refine_ls_number_reflns         6368
_refine_ls_number_restraints     25
_refine_ls_restrained_S_all      1.105
_refine_ls_R_factor_all          0.0290
_refine_ls_R_factor_gt           0.0273
_refine_ls_shift/su_max          0.005
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0265P)^2^+8.3574P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0683
_refine_ls_wR_factor_ref         0.0697
_reflns_Friedel_coverage         0.000
_reflns_number_gt                6071
_reflns_number_total             6368
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c6dt04205h2.cif
_cod_data_source_block           cm98qsa
_cod_database_code               7041729
_shelx_estimated_absorpt_t_min   0.720
_shelx_estimated_absorpt_t_max   0.892
_shelxl_version_number           2014/6
_shelx_res_checksum              16234