Molybdenum-based alkyne‒isocyanide coupling reactions: synthesis of a reactive diiminometallacyclopentene complex
Adams, Christopher J.; Anderson, Kirsty M.; Bartlett, Ian M.; Connelly, Neil G.; Orpen, A. Guy; Paget, Timothy J.; Phetmung, Hirihattaya; Smith, David W.; Journal of the Chemical Society, Dalton Transactions  (2001) 1284–; doi:10.1039/b010018h

data_7010506
_publ_section_title
;
 Molybdenum-based alkyne--isocyanide coupling reactions: synthesis of a
 reactive diiminometallacyclopentene complex
;
_journal_issue                   8
_journal_name_full
'Journal of the Chemical Society, Dalton Transactions'
_journal_page_first              1284
_journal_paper_doi               10.1039/b010018h
_journal_year                    2001
_chemical_formula_sum            'C46 H51 B2 F9 Mo N4'
_chemical_formula_weight         948.47
_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                 100.087(8)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   20.315(3)
_cell_length_b                   13.973(2)
_cell_length_c                   16.0458(17)
_cell_measurement_reflns_used    211
_cell_measurement_temperature    173(2)
_cell_volume                     4484.4(10)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SHELXTL'
_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      173(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Siemens CCD Area Diffractometer'
_diffrn_measurement_method       '/w scans with narrow frames'
_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  0.0269
_diffrn_reflns_av_sigmaI/netI    0.0264
_diffrn_reflns_limit_h_max       24
_diffrn_reflns_limit_h_min       -18
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            23740
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         1.78
_diffrn_standards_decay_%        0
_exptl_absorpt_coefficient_mu    0.367
_exptl_absorpt_correction_T_max  0.915
_exptl_absorpt_correction_T_min  0.796
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Sheldrick, 1996)'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.405
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    .
_exptl_crystal_description       plate
_exptl_crystal_F_000             1952
_exptl_crystal_size_max          0.3
_exptl_crystal_size_mid          0.3
_exptl_crystal_size_min          0.01
_refine_diff_density_max         1.593
_refine_diff_density_min         -0.972
_refine_diff_density_rms         0.081
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.021
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     583
_refine_ls_number_reflns         7896
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.021
_refine_ls_R_factor_all          0.0542
_refine_ls_R_factor_gt           0.0464
_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^)+(0.0721P)^2^+8.8145P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1251
_refine_ls_wR_factor_ref         0.1310
_reflns_number_gt                6773
_reflns_number_total             7896
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b010018h.txt
_cod_data_source_block           10
_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_enum 1527 2010-12-29 10:47:43Z saulius 
;
_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               7010506