A Bis-Carbyne (Ethanediylidyne) Complex via the Catalytic Demercuration of a Mercury Bis(carbido) Complex
Colebatch, Annie L.; Cordiner, Richard L.; Hill, Anthony F.; Nguyen, Kelly T. H. D.; Shang, Rong; Willis, Anthony C.; Organometallics 28 (2009) 4394–; doi:10.1021/om900462p

data_4069870
_publ_section_title
;
 A Bis-Carbyne (Ethanediylidyne) Complex via the Catalytic Demercuration
 of a Mercury Bis(carbido) Complex
;
_journal_issue                   15
_journal_name_full               Organometallics
_journal_page_first              4394
_journal_paper_doi               10.1021/om900462p
_journal_volume                  28
_journal_year                    2009
_chemical_compound_source        local
_chemical_formula_moiety         'C36 H42 B2 Mo2 N12 O4, 4(C H2 Cl2)'
_chemical_formula_sum            'C40 H50 B2 Cl8 Mo2 N12 O4'
_chemical_formula_weight         1260.04
_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
_audit_creation_date             08-09-05
_audit_creation_method           CRYSTALS_ver_12.85
_cell_angle_alpha                90
_cell_angle_beta                 100.3897(17)
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   11.1842(3)
_cell_length_b                   15.2482(4)
_cell_length_c                   16.5134(4)
_cell_measurement_reflns_used    164839
_cell_measurement_temperature    200
_cell_measurement_theta_max      27.5
_cell_measurement_theta_min      2.6
_cell_volume                     2770.00(12)
_computing_cell_refinement       'DENZO/SCALEPACK (Otwinowski & Minor, 1997)'
_computing_data_collection       'COLLECT (Nonius, 1997-2001).'
_computing_data_reduction        'DENZO/SCALEPACK (Otwinowski & Minor, 1997)'
_computing_molecular_graphics    'PLATON (Spek, 2008)'
_computing_publication_material  'CRYSTALS (Betteridge et al., 2003)'
_computing_structure_refinement  'CRYSTALS (Betteridge et al., 2003)'
_computing_structure_solution    'SIR92 (Altomare et al., 1994)'
_diffrn_ambient_temperature      200
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device       'Nonius KappaCCD'
_diffrn_measurement_device_type  Area
_diffrn_measurement_method       '\f and \w scans with CCD'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.068
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       19
_diffrn_reflns_limit_k_min       -19
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            51449
_diffrn_reflns_theta_full        26.986
_diffrn_reflns_theta_max         27.537
_diffrn_reflns_theta_min         2.672
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.888
_exptl_absorpt_correction_T_max  0.937
_exptl_absorpt_correction_T_min  0.868
_exptl_absorpt_correction_type   integration
_exptl_absorpt_process_details
;
via Gaussian method (Coppens, 1970) implemented in maXus (Mackay et al, 2000)
;
_exptl_crystal_colour            'dark purple'
_exptl_crystal_density_diffrn    1.511
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1272
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.23
_exptl_crystal_size_min          0.12
_refine_diff_density_max         1.32
_refine_diff_density_min         -1.43
_refine_ls_extinction_method     None
_refine_ls_goodness_of_fit_ref   0.9672
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     307
_refine_ls_number_reflns         6352
_refine_ls_number_restraints     0
_refine_ls_R_factor_all          0.0664
_refine_ls_R_factor_gt           0.0484
_refine_ls_shift/su_max          0.003999
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
;
 Method= Modified Sheldrick 
 w=1/[\s^2^(F^2^) + ( 0.08P)^2^ + 0.77P] 
 ,where P=(max(Fo^2^,0) + 2Fc^2^)/3 
;
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_all         0.1409
_refine_ls_wR_factor_gt          0.1351
_refine_ls_wR_factor_ref         0.1409
_reflns_limit_h_max              14
_reflns_limit_h_min              -14
_reflns_limit_k_max              19
_reflns_limit_k_min              0
_reflns_limit_l_max              21
_reflns_limit_l_min              0
_reflns_number_gt                4592
_reflns_number_total             6354
_reflns_threshold_expression     I>2.0\s(I)
_oxford_diffrn_Wilson_B_factor   2.78
_oxford_diffrn_Wilson_scale      10.43
_oxford_refine_ls_r_factor_ref   0.0664
_oxford_refine_ls_scale          0.3707(5)
_oxford_reflns_number_all        6352
_oxford_reflns_threshold_expression_ref I>-10.0\s(I)
_oxford_structure_analysis_title '9051523 rong007'
_cod_data_source_file            om900462p_si_001.cif
_cod_data_source_block           rong007
_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 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_sg_symbol_H-M      'P 1 21/n 1 '
_cod_database_code               4069870