WCl(η2-C2Ph2)(η6-C6Ph6H): A Compound Containing a Metallacycloheptatriene Unit from Trimerization of Diphenylacetylene with W(NMe3)(η2-C2Ph2)3
Yeh, Wen-Yann; Peng, Shie-Ming; Lee, Gene-Hsiang; Organometallics 21 (2002) 3058–; doi:10.1021/om0201009

data_4076829
_publ_section_title
;
 WCl(\h2-C2Ph2)(\h6-C6Ph6H):&#x00A0; A Compound Containing a
 Metallacycloheptatriene Unit from Trimerization of Diphenylacetylene with
 W(NMe3)(\h2-C2Ph2)3
;
_journal_issue                   14
_journal_name_full               Organometallics
_journal_page_first              3058
_journal_paper_doi               10.1021/om0201009
_journal_volume                  21
_journal_year                    2002
_chemical_formula_sum            'C44 H33 N W'
_chemical_formula_weight         759.56
_chemical_name_systematic
; 
 ? 
;
_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                 92.291(1)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   17.2850(2)
_cell_length_b                   9.9082(1)
_cell_length_c                   19.9590(2)
_cell_measurement_reflns_used    8192
_cell_measurement_temperature    295(2)
_cell_measurement_theta_max      27.50
_cell_measurement_theta_min      2.00
_cell_volume                     3415.51(6)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      295(2)
_diffrn_measured_fraction_theta_full 0.987
_diffrn_measured_fraction_theta_max 0.987
_diffrn_measurement_method       '\w scans'
_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  0.0430
_diffrn_reflns_av_sigmaI/netI    0.0428
_diffrn_reflns_limit_h_max       22
_diffrn_reflns_limit_h_min       -20
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       -25
_diffrn_reflns_number            23894
_diffrn_reflns_theta_full        27.50
_diffrn_reflns_theta_max         27.50
_diffrn_reflns_theta_min         2.04
_diffrn_standards_decay_%        0
_exptl_absorpt_coefficient_mu    3.413
_exptl_absorpt_correction_T_max  0.5633
_exptl_absorpt_correction_T_min  0.3230
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.477
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             1512
_exptl_crystal_size_max          0.60
_exptl_crystal_size_mid          0.14
_exptl_crystal_size_min          0.09
_refine_diff_density_max         0.586
_refine_diff_density_min         -0.745
_refine_diff_density_rms         0.078
_refine_ls_extinction_coef       0.00042(7)
_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   1.031
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     417
_refine_ls_number_reflns         7737
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.031
_refine_ls_R_factor_all          0.0521
_refine_ls_R_factor_gt           0.0347
_refine_ls_shift/su_max          0.006
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0225P)^2^+2.3411P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0585
_refine_ls_wR_factor_ref         0.0632
_reflns_number_gt                6435
_reflns_number_total             7737
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om0201009.cif
_cod_data_source_block           ic7474
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
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 

The following automatic conversions were performed:

'_exptl_crystal_density_meas' value 'not_measured' was changed to '?'
- the value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 3008 2015-01-20 13:52:24Z robertas 
;
_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               4076829