Phosphine, isocyanide, and alkyne reactivity at pentanuclear molybdenum/tungsten-iridium clusters.
Simpson, Peter V.; Randles, Michael D.; Gupta, Vivek; Fu, Junhong; Moxey, Graeme J.; Schwich, Torsten; Morshedi, Mahbod; Cifuentes, Marie P.; Humphrey, Mark G.; Dalton transactions (Cambridge, England : 2003) 44 (2015) 7292–7304; doi:10.1039/c5dt00525f

data_7034420
_publ_section_title
;
 Phosphine, isocyanide, and alkyne reactivity at pentanuclear
 molybdenum/tungsten-iridium clusters.
;
_journal_issue                   16
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              7292
_journal_page_last               7304
_journal_paper_doi               10.1039/c5dt00525f
_journal_volume                  44
_journal_year                    2015
_chemical_formula_moiety         'C45 H34 Ir4 O8 W'
_chemical_formula_sum            'C45 H34 Ir4 O8 W'
_chemical_formula_weight         1655.37
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_audit_update_record
;
2014-08-11 deposited with the CCDC.
2015-03-12 downloaded from the CCDC.
;
_cell_angle_alpha                79.44(3)
_cell_angle_beta                 75.44(3)
_cell_angle_gamma                90.36(3)
_cell_formula_units_Z            2
_cell_length_a                   9.6277(19)
_cell_length_b                   14.429(3)
_cell_length_c                   17.748(4)
_cell_measurement_reflns_used    12509
_cell_measurement_temperature    200(2)
_cell_measurement_theta_max      26.00
_cell_measurement_theta_min      2.55
_cell_volume                     2342.4(10)
_computing_cell_refinement       'DENZO/SCALEPACK (Otwinowski & Minor, 1997)'
_computing_data_collection       'COLLECT (Nonius, 2001).'
_computing_data_reduction        'DENZO/SCALEPACK (Otwinowski & Minor, 1997)'
_computing_molecular_graphics    Olex2
_computing_publication_material  'Microsoft Office 2000'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      200(2)
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'Nonius Kappa CCD'
_diffrn_measurement_method       'psi 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  0.0000
_diffrn_reflns_av_sigmaI/netI    0.0704
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            35293
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         26.00
_diffrn_reflns_theta_min         2.55
_exptl_absorpt_coefficient_mu    13.815
_exptl_absorpt_correction_T_max  1.098
_exptl_absorpt_correction_T_min  0.901
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SORTAV
_exptl_crystal_colour            green
_exptl_crystal_density_diffrn    2.347
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             1500
_exptl_crystal_size_max          0.10
_exptl_crystal_size_mid          0.08
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_platon_squeeze_details
;
;
_refine_diff_density_max         4.848
_refine_diff_density_min         -3.789
_refine_diff_density_rms         0.585
_refine_ls_extinction_method     none
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_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
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_refine_ls_number_reflns         35293
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.114
_refine_ls_R_factor_all          0.1256
_refine_ls_R_factor_gt           0.1067
_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^)+(0.0846P)^2^+364.8707P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2677
_refine_ls_wR_factor_ref         0.2788
_reflns_number_gt                28729
_reflns_number_total             35293
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c5dt00525f2.cif
_cod_data_source_block           7a
_cod_depositor_comments
'Adding full bibliography for 7034411--7034420.cif.'
_cod_original_cell_volume        2342.4(8)
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               7034420