Alkyne scission in cobalt‒molybdenum clusters: synthesis and structures of hexa- and heptanuclear alkylidyne clusters with unusual architectures
Adams, Harry; Guio, Laurence V. Y.; Morris, Michael J.; Spey, Sharon E.; Journal of the Chemical Society, Dalton Transactions  (2002) 2907–; doi:10.1039/b204326m

data_7011821
_publ_section_title
;
 Alkyne scission in cobalt--molybdenum clusters: synthesis and
 structures of hexa- and heptanuclear alkylidyne clusters with unusual
 architectures
;
_journal_issue                   14
_journal_name_full
'Journal of the Chemical Society, Dalton Transactions'
_journal_page_first              2907
_journal_paper_doi               10.1039/b204326m
_journal_year                    2002
_chemical_formula_sum            'C24 H11 Co5 Mo2 O12'
_chemical_formula_weight         977.86
_chemical_name_systematic
; 
? 
;
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
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_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                99.395(2)
_cell_angle_beta                 92.574(2)
_cell_angle_gamma                92.924(2)
_cell_formula_units_Z            4
_cell_length_a                   10.6072(10)
_cell_length_b                   16.1964(16)
_cell_length_c                   16.4925(16)
_cell_measurement_temperature    150(2)
_cell_volume                     2787.7(5)
_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      150(2)
_diffrn_measured_fraction_theta_full 0.908
_diffrn_measured_fraction_theta_max 0.908
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega 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  0.0477
_diffrn_reflns_av_sigmaI/netI    0.0787
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -21
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            17776
_diffrn_reflns_theta_full        28.31
_diffrn_reflns_theta_max         28.31
_diffrn_reflns_theta_min         1.25
_exptl_absorpt_coefficient_mu    3.834
_exptl_absorpt_correction_T_max  0.9627
_exptl_absorpt_correction_T_min  0.4241
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            black
_exptl_crystal_density_diffrn    2.330
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             1880
_exptl_crystal_size_max          0.27
_exptl_crystal_size_mid          0.08
_exptl_crystal_size_min          0.01
_refine_diff_density_max         0.963
_refine_diff_density_min         -0.928
_refine_diff_density_rms         0.160
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.917
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     775
_refine_ls_number_reflns         12614
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.917
_refine_ls_R_factor_all          0.0635
_refine_ls_R_factor_gt           0.0377
_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^)+(0.0189P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0685
_refine_ls_wR_factor_ref         0.0749
_reflns_number_gt                9092
_reflns_number_total             12614
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b204326m.txt
_cod_data_source_block           ims45a
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
according to '/home/saulius/struct/CIF-dictionaries/cif_core.dic'
dictionary named 'cif_core.dic' version 2.4.1 from
2010-06-29.

'_exptl_absorpt_correction_type' value 'Empirical' changed to
'empirical' 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      P-1
_cod_database_code               7011821