Efficient Carbene and Carbyne Formation in Molybdenum(0) and Tungsten(0) Dinitrogen Complexes
Ning, Yalan; .Froese, Robert D. J; Margl, Peter; Lee, Edward L.; Nguyen, SonBinh T.; Peterson, Thomas H.; Wagner, Nicole; Stern, Charlotte L.; Sarjeant, Amy A.; Organometallics 33 (2014) 1120–; doi:10.1021/om4006214

data_4082673
_publ_section_title
;
 Efficient Carbene and Carbyne Formation in Molybdenum(0) and Tungsten(0)
 Dinitrogen Complexes
;
_journal_issue                   5
_journal_name_full               Organometallics
_journal_page_first              1120
_journal_paper_doi               10.1021/om4006214
_journal_volume                  33
_journal_year                    2014
_chemical_formula_moiety         'C67 H60 P4 W, 2(C7 H8)'
_chemical_formula_sum            'C81 H76 P4 W'
_chemical_formula_weight         1357.15
_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                 104.1430(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   17.8550(6)
_cell_length_b                   17.3976(6)
_cell_length_c                   21.3320(7)
_cell_measurement_reflns_used    9284
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      32.63
_cell_measurement_theta_min      3.10
_cell_volume                     6425.6(4)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \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  0.0382
_diffrn_reflns_av_sigmaI/netI    0.0280
_diffrn_reflns_limit_h_max       27
_diffrn_reflns_limit_h_min       -26
_diffrn_reflns_limit_k_max       25
_diffrn_reflns_limit_k_min       -26
_diffrn_reflns_limit_l_max       32
_diffrn_reflns_limit_l_min       -32
_diffrn_reflns_number            155294
_diffrn_reflns_theta_full        32.55
_diffrn_reflns_theta_max         32.55
_diffrn_reflns_theta_min         1.34
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    1.943
_exptl_absorpt_correction_T_max  0.8743
_exptl_absorpt_correction_T_min  0.6937
_exptl_absorpt_correction_type   numerical
_exptl_absorpt_process_details   face-indexed
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.403
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       tabular
_exptl_crystal_F_000             2784
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.08
_exptl_crystal_size_min          0.07
_refine_diff_density_max         7.452
_refine_diff_density_min         -2.299
_refine_diff_density_rms         0.129
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.098
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     781
_refine_ls_number_reflns         23317
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.098
_refine_ls_R_factor_all          0.0414
_refine_ls_R_factor_gt           0.0316
_refine_ls_shift/su_max          0.003
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0483P)^2^+3.7794P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0831
_refine_ls_wR_factor_ref         0.0878
_reflns_number_gt                19454
_reflns_number_total             23317
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om4006214_si_002.cif
_cod_data_source_block           n0901
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to
/usr/data/users/saulius/crontab/automatic-downloads/current/ACS/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 2281 2013-09-26 08:29:07Z andrius 
;
_cod_original_sg_symbol_H-M      P2(1)/n
_cod_database_code               4082673