Spectroscopic Properties and Electronic Structure of the Cycloheptatrienyl Molybdenum Alkynyl Complexes [Mo(C\τb CR)(Ph2PCH2CH2PPh2)(η-C7H7)]n+(n= 0 or 1; R =But, Fc, CO2Me, or C6H4-4-X, X = NH2, OMe, Me, H, CHO, CO2Me)
Brown, Neil J.; Collison, David; Edge, Ruth; Fitzgerald, Emma C.; Helliwell, Madeleine; Howard, Judith A. K.; Lancashire, Hannah N.; Low, Paul J.; McDouall, Joseph J. W.; Raftery, James; Smith, Charlene A.; Yufit, Dmitry S.; Whiteley, Mark W.; Organometallics 29 (2010) 1261–; doi:10.1021/om901074b

data_4067689
_publ_section_title
;
 Spectroscopic Properties and Electronic Structure of the
 Cycloheptatrienyl Molybdenum Alkynyl Complexes [Mo(C\\tb
 CR)(Ph2PCH2CH2PPh2)(\h-C7H7)]n+(n= 0 or 1; R =But, Fc, CO2Me, or
 C6H4-4-X, X = NH2, OMe, Me, H, CHO, CO2Me)
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_journal_issue                   5
_journal_name_full               Organometallics
_journal_page_first              1261
_journal_paper_doi               10.1021/om901074b
_journal_volume                  29
_journal_year                    2010
_chemical_formula_sum            'C42 H38 Mo P2'
_chemical_formula_weight         700.60
_chemical_name_systematic
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 ? 
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_space_group_IT_number           61
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-P 2ac 2ab'
_symmetry_space_group_name_H-M   'P b c a'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   9.3678(7)
_cell_length_b                   17.8334(14)
_cell_length_c                   39.472(3)
_cell_measurement_reflns_used    1236
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      16.7395
_cell_measurement_theta_min      2.34
_cell_volume                     6594.2(9)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_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      100(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.978
_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  0.2276
_diffrn_reflns_av_sigmaI/netI    0.2638
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       23
_diffrn_reflns_limit_k_min       -22
_diffrn_reflns_limit_l_max       52
_diffrn_reflns_limit_l_min       -51
_diffrn_reflns_number            54369
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         28.32
_diffrn_reflns_theta_min         2.06
_exptl_absorpt_coefficient_mu    0.525
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            brown
_exptl_crystal_density_diffrn    1.411
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             2896
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.02
_refine_diff_density_max         0.711
_refine_diff_density_min         -0.623
_refine_diff_density_rms         0.096
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.722
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     407
_refine_ls_number_reflns         8042
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.722
_refine_ls_R_factor_all          0.1735
_refine_ls_R_factor_gt           0.0585
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0000P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0659
_refine_ls_wR_factor_ref         0.0860
_reflns_number_gt                3227
_reflns_number_total             8042
_reflns_threshold_expression     &gt;2sigma(I)
_cod_data_source_file            om901074b_si_002.cif
_cod_data_source_block           s2847m_2g
_cod_depositor_comments
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The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Orthorhombic' changed to
'orthorhombic' 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_values 1715 2011-07-08 13:25:40Z adriana 
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_cod_original_sg_symbol_H-M      Pbca
_cod_database_code               4067689