Intramolecularly coordinated heteroleptic organostannylene tungsten pentacarbonyl complexes 4-tBu-2,6-[P(O)(OiPr)(2)](2)C(6)H(2)Sn(X)W(CO)(5) (X = Cl, F, PPh(2), PPh(2)[W(CO)(5)]). Syntheses and reactivity.
Wagner, Michael; Dorogov, Konstantin; Schürmann, Markus; Jurkschat, Klaus; Dalton transactions (Cambridge, England : 2003) 40 (2011) 8839–8848; doi:10.1039/c1dt10321k

data_7016359
_publ_section_title
;
 Intramolecularly coordinated heteroleptic organostannylene tungsten
 pentacarbonyl complexes
 4-tBu-2,6-[P(O)(OiPr)(2)](2)C(6)H(2)Sn(X)W(CO)(5) (X = Cl, F, PPh(2),
 PPh(2)[W(CO)(5)]). Syntheses and reactivity.
;
_journal_issue                   35
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              8839
_journal_page_last               8848
_journal_paper_doi               10.1039/c1dt10321k
_journal_volume                  40
_journal_year                    2011
_chemical_formula_moiety         'C48 H78 O20 P4 Sn2 W2, C7 H8'
_chemical_formula_sum            'C55 H86 O20 P4 Sn2 W2'
_chemical_formula_weight         1796.20
_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                 106.306(4)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   22.0762(9)
_cell_length_b                   12.1870(4)
_cell_length_c                   26.8904(11)
_cell_measurement_reflns_used    13299
_cell_measurement_temperature    173(1)
_cell_measurement_theta_max      29.09
_cell_measurement_theta_min      1.98
_cell_volume                     6943.7(5)
_computing_cell_refinement
;
CrysAlis RED (Oxford Diffraction, 2008)
;
_computing_data_collection
;
CrysAlis CCD (Oxford Diffraction, 2008)
;
_computing_data_reduction
;
CrysAlis RED (Oxford Diffraction, 2008)
;
_computing_molecular_graphics    'SHELXTL-Plus (Sheldrick, 1991)'
_computing_publication_material  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      173(1)
_diffrn_detector_area_resol_mean 16.0560
_diffrn_measured_fraction_theta_full 0.983
_diffrn_measured_fraction_theta_max 0.983
_diffrn_measurement_device_type  'Xcalibur2 CCD diffractometer'
_diffrn_measurement_method
;
348 frames via \w-rotation (\D\w = 1\%) and two times 45 s
per frame (6 sets at different \k-angles)
;
_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  0.0575
_diffrn_reflns_av_sigmaI/netI    0.1108
_diffrn_reflns_limit_h_max       26
_diffrn_reflns_limit_h_min       -23
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       32
_diffrn_reflns_limit_l_min       -32
_diffrn_reflns_number            38853
_diffrn_reflns_theta_full        25.50
_diffrn_reflns_theta_max         25.50
_diffrn_reflns_theta_min         1.98
_diffrn_standards_decay_%        0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    4.170
_exptl_absorpt_correction_T_max  1.000
_exptl_absorpt_correction_T_min  0.793
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlis RED, Oxford Diffraction Ltd.,
Version 1.171.32.37 (release 24-10-2008 CrysAlis171 .NET)
(compiled Oct 24 2008,09:44:38)
Empirical absorption correction using spherical harmonics,
implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.718
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             3536
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.10
_refine_diff_density_max         4.026
_refine_diff_density_min         -2.117
_refine_diff_density_rms         0.187
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.962
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     741
_refine_ls_number_reflns         12710
_refine_ls_number_restraints     30
_refine_ls_restrained_S_all      0.963
_refine_ls_R_factor_all          0.0934
_refine_ls_R_factor_gt           0.0535
_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^)+(0.0655P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1218
_refine_ls_wR_factor_ref         0.1292
_reflns_number_gt                7891
_reflns_number_total             12710
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c1dt10321k.txt
_cod_data_source_block           nox0085
_cod_original_sg_symbol_Hall     -P2yn
_cod_original_sg_symbol_H-M      P21/n
_cod_database_code               7016359