Syntheses and Molecular Structures of [RSn{W(CO)3Cp}2][W(CO)3Cp], [RSn{W(CO)3Cp}Cl2], and [RSn{W(CO)3Cp}Cr(CO)5] (R = [4-t-Bu-2,6-{P(O)(OR′)2}2C6H2], R′ = Et,i-Pr). Autoionization Induced by Intramolecular P═O→Sn Coordination
Krabbe, Stefan; Wagner, Michael; Löw, Christian; Dietz, Christina; Schürmann, Markus; Hoffmann, Alexander; Herres-Pawlis, Sonja; Lutter, Michael; Jurkschat, Klaus; Organometallics 33 (2014) 4433–; doi:10.1021/om500649d

data_4084280
_publ_section_title
;
 Syntheses and Molecular Structures of [RSn{W(CO)3Cp}2][W(CO)3Cp],
 [RSn{W(CO)3Cp}Cl2], and [RSn{W(CO)3Cp}Cr(CO)5] (R =
 [4-t-Bu-2,6-{P(O)(OR&#x2032;)2}2C6H2], R&#x2032; = Et,i-Pr).
 Autoionization Induced by Intramolecular P&#x2550;O\\rightarrow Sn
 Coordination
;
_journal_issue                   17
_journal_name_full               Organometallics
_journal_page_first              4433
_journal_paper_doi               10.1021/om500649d
_journal_volume                  33
_journal_year                    2014
_chemical_formula_moiety         'C12 H30 Li O6, C8 H5 O3 W'
_chemical_formula_sum            'C20 H35 Li O9 W'
_chemical_formula_weight         610.26
_chemical_name_systematic
; 
lithium tris(dimethoxyethane)tricarbonyl(cyclopentadienyl)
 tungstate
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_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                 91.493(6)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   12.1810(7)
_cell_length_b                   12.1251(7)
_cell_length_c                   16.8699(11)
_cell_measurement_reflns_used    7618
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      28.7020
_cell_measurement_theta_min      2.6310
_cell_volume                     2490.8(3)
_computing_cell_refinement
'CrysAlisPro, Agilent Technologies, Version 1.171.33.55''
_computing_data_collection
'CrysAlisPro, Agilent Technologies, Version 1.171.33.55''
_computing_data_reduction
'CrysAlisPro, Agilent Technologies, Version 1.171.33.55''
_computing_molecular_graphics    'SHELXP-97 (Sheldrick, 1997)'
_computing_publication_material  'enCIFer Version 1.4'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'XcaliburS, Sapphire3'
_diffrn_measurement_method       '\w und \y scan'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0379
_diffrn_reflns_av_sigmaI/netI    0.0314
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            22149
_diffrn_reflns_theta_full        25.49
_diffrn_reflns_theta_max         25.49
_diffrn_reflns_theta_min         2.37
_exptl_absorpt_coefficient_mu    4.681
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.61353
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro, Agilent Technologies,
Version 1.171.36.28 (release 01-02-2013 CrysAlis171 .NET)
(compiled Feb  1 2013,16:14:44)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.627
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       column
_exptl_crystal_F_000             1216
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.06
_refine_diff_density_max         0.736
_refine_diff_density_min         -0.696
_refine_diff_density_rms         0.096
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.111
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     286
_refine_ls_number_reflns         4632
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.111
_refine_ls_R_factor_all          0.0382
_refine_ls_R_factor_gt           0.0245
_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^)+(0.0212P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0498
_refine_ls_wR_factor_ref         0.0524
_reflns_number_gt                3653
_reflns_number_total             4632
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om500649d_si_001.cif
_cod_data_source_block           Li(DME)3W(CO)3Cp
_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               4084280