Synthesis, Structure, and Reactivity of Tantalum and Tungsten Homoenolate Complexes
Tsurugi, Hayato; Ohno, Takashi; Yamagata, Tsuneaki; Mashima, Kazushi; Organometallics 25 (2006) 3179–; doi:10.1021/om060264f

data_4075396
_publ_section_title
;
 Synthesis, Structure, and Reactivity of Tantalum and Tungsten Homoenolate
 Complexes
;
_journal_issue                   13
_journal_name_full               Organometallics
_journal_page_first              3179
_journal_paper_doi               10.1021/om060264f
_journal_volume                  25
_journal_year                    2006
_chemical_formula_moiety         'C31 H36 Cl3 N3 O2 W, C7 H8'
_chemical_formula_sum            'C38 H44 Cl3 N3 O2 W'
_chemical_formula_weight         864.96
_chemical_temperature_decomposition 481.5(15)
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_Int_Tables_number      14
_symmetry_space_group_name_Hall  '-P 2yab'
_symmetry_space_group_name_H-M   'P 1 21/a 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_date             'Thu Feb  9 00:33:45 2006'
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 93.025(6)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   15.3023(19)
_cell_length_b                   12.3796(15)
_cell_length_c                   19.488(3)
_cell_measurement_reflns_used    81658
_cell_measurement_temperature    120(1)
_cell_measurement_theta_max      27.4
_cell_measurement_theta_min      3.0
_cell_volume                     3686.6(9)
_computing_cell_refinement       'Rigaku/RAPID Diffractometer Control'
_computing_data_collection       'Rigaku/RAPID Diffractometer Control'
_computing_data_reduction        'teXsan: PROCESS (MSC)'
_computing_molecular_graphics    'Ortep-3 (Louis J. Farrugia, 1999)'
_computing_publication_material  'SHELXL-97 and modified'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      120(1)
_diffrn_detector_area_resol_mean 10.00
_diffrn_measured_fraction_theta_full 0.986
_diffrn_measured_fraction_theta_max 0.986
_diffrn_measurement_device_type  'Rigaku RAXIS-RAPID Imaging Plate'
_diffrn_measurement_method       \w
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71075
_diffrn_reflns_av_R_equivalents  0.0670
_diffrn_reflns_av_sigmaI/netI    0.0362
_diffrn_reflns_limit_h_max       19
_diffrn_reflns_limit_h_min       -19
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       -25
_diffrn_reflns_number            61273
_diffrn_reflns_theta_full        27.42
_diffrn_reflns_theta_max         27.42
_diffrn_reflns_theta_min         3.03
_exptl_absorpt_coefficient_mu    3.388
_exptl_absorpt_correction_T_max  0.844
_exptl_absorpt_correction_T_min  0.397
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
;
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.558
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       platelet
_exptl_crystal_F_000             1736
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.05
_refine_diff_density_max         1.576
_refine_diff_density_min         -1.556
_refine_diff_density_rms         0.127
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.848
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     413
_refine_ls_number_reflns         8276
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.848
_refine_ls_R_factor_all          0.0472
_refine_ls_R_factor_gt           0.0353
_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^)+(0.0547P)^2^+1.4040P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1058
_refine_ls_wR_factor_ref         0.1125
_reflns_number_gt                6746
_reflns_number_total             8276
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om060264fsi20060323_094217.cif
_cod_data_source_block           complex8
_cod_depositor_comments
;
The following automatic conversions were performed:

'_chemical_melting_point' tag was changed to
'_chemical_temperature_decomposition' since the value had been given
as '480-483(dec.)'. The value was changed to '481.5(15)' - the
average value was taken and precision was estimated.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_cell_volume        3686.5(8)
_cod_original_sg_symbol_H-M      'P 21/a'
_cod_database_code               4075396