Metal Activation of a Germylenoid, a New Approach to Metal‒Germanium Triple Bonds: Synthesis and Reactions of the Germylidyne Complexes [Cp(CO)2M≡Ge‒C(SiMe3)3] (M = Mo, W)
Filippou, Alexander C.; Stumpf, Kai W.; Chernov, Oleg; Schnakenburg, Gregor; Organometallics 31 (2012) 748–; doi:10.1021/om201176n

data_4068181
_publ_section_title
;
 Metal Activation of a Germylenoid, a New Approach to Metal--Germanium
 Triple Bonds: Synthesis and Reactions of the Germylidyne Complexes
 [Cp(CO)2M\\tb Ge--C(SiMe3)3] (M = Mo, W)
;
_journal_issue                   2
_journal_name_full               Organometallics
_journal_page_first              748
_journal_paper_doi               10.1021/om201176n
_journal_volume                  31
_journal_year                    2012
_chemical_formula_moiety         'C24 H44 Ge N2 O2 Si3 W'
_chemical_formula_sum            'C24 H44 Ge N2 O2 Si3 W'
_chemical_formula_weight         733.32
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 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                 90.5347(16)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   9.4099(2)
_cell_length_b                   20.2971(6)
_cell_length_c                   15.1689(4)
_cell_measurement_reflns_used    7347
_cell_measurement_temperature    123(2)
_cell_measurement_theta_max      29.13
_cell_measurement_theta_min      1.00
_cell_volume                     2897.04(13)
_computing_cell_refinement       'HKL Scalepack (Otwinowski & Minor 1997)'
_computing_data_collection
'HKL Denzo and Scalepack (Otwinowski & Minor 1997)'
_computing_data_reduction
'HKL Denzo and Scalepack (Otwinowski & Minor 1997)'
_computing_molecular_graphics    'DIAMOND (Brandenburg, 1999)'
_computing_publication_material  'SHELXL97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      123(2)
_diffrn_detector_area_resol_mean 9
_diffrn_measured_fraction_theta_full 0.987
_diffrn_measured_fraction_theta_max 0.987
_diffrn_measurement_device       '95mm CCD camera on \k-goniostat'
_diffrn_measurement_device_type  'Nonius KappaCCD'
_diffrn_measurement_method       'CCD rotation images, thin slices'
_diffrn_radiation_monochromator  'horizonally mounted graphite crystal'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0675
_diffrn_reflns_av_sigmaI/netI    0.0595
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       26
_diffrn_reflns_limit_k_min       -26
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            30145
_diffrn_reflns_theta_full        28.00
_diffrn_reflns_theta_max         28.00
_diffrn_reflns_theta_min         2.75
_exptl_absorpt_coefficient_mu    5.153
_exptl_absorpt_correction_T_max  0.6061
_exptl_absorpt_correction_T_min  0.3098
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
R.H. Blessing, Acta Cryst. (1995), A51, 33-38
;
_exptl_crystal_colour            violet-red
_exptl_crystal_density_diffrn    1.681
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1464
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.19
_exptl_crystal_size_min          0.11
_refine_diff_density_max         1.215
_refine_diff_density_min         -1.853
_refine_diff_density_rms         0.150
_refine_ls_extinction_coef       0.00033(6)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   0.950
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     312
_refine_ls_number_reflns         6908
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.950
_refine_ls_R_factor_all          0.0442
_refine_ls_R_factor_gt           0.0293
_refine_ls_shift/su_max          0.024
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0205P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0555
_refine_ls_wR_factor_ref         0.0588
_reflns_number_gt                5404
_reflns_number_total             6908
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om201176n_si_001.cif
_cod_data_source_block           2-W
_cod_depositor_comments
;
The following automatic conversions were performed:

'_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_H-M      'P 21/n'
_cod_database_code               4068181