Unsaturated Ru(0) Species with a Constrained Bis-Phosphine Ligand: [Ru(CO)2(tBu2PCH2CH2PtBu2)]2. Comparison to [Ru(CO)2(PtBu2Me)2]
Torsten Gottschalk-Gaudig; John C. Huffman; Hélène Gérard; Odile Eisenstein; Kenneth G. Caulton; Inorganic Chemistry 39 (2000) 3957–3962; doi:10.1021/ic9911320

data_5000339
_publ_section_title
;
Unsaturated Ru(0) Species with a Constrained Bis-Phosphine Ligand:
[Ru(CO)2(tBu2PCH2CH2PtBu2)]2. Comparison to [Ru(CO)2(PtBu2Me)2]
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_journal_name_full               'Inorganic Chemistry'
_journal_page_first              3957
_journal_page_last               3962
_journal_paper_doi               10.1021/ic9911320
_journal_volume                  39
_journal_year                    2000
_chemical_formula_moiety         ?
_chemical_formula_sum            'C40 H80 O4 P4 Ru2'
_chemical_formula_weight         951.108
_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'
_cell_angle_alpha                90
_cell_angle_beta                 112.917(10)
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   11.353(3)
_cell_length_b                   18.453(4)
_cell_length_c                   11.830(3)
_cell_measurement_reflns_used    38
_cell_measurement_temperature    105.
_cell_measurement_theta_max      9.46
_cell_measurement_theta_min      8.7
_cell_volume                     2282.8(10)
_diffrn_ambient_temperature      105.
_diffrn_detector_area_resol_mean ?
_diffrn_measured_fraction_theta_full 0
_diffrn_measured_fraction_theta_max 1
_diffrn_measurement_device_type  'refurbished Picker diffractometer'
_diffrn_measurement_method       '\q/2\q scans'
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71069
_diffrn_reflns_av_R_equivalents  0.09
_diffrn_reflns_limit_h_max       6
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       21
_diffrn_reflns_limit_k_min       -8
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            4730
_diffrn_reflns_theta_full        0
_diffrn_reflns_theta_max         24.9981
_diffrn_reflns_theta_min         3.054
_diffrn_standards_decay_%        2.1
_diffrn_standards_interval_count 236
_diffrn_standards_number         4
_exptl_absorpt_coefficient_mu    0.838
_exptl_absorpt_correction_T_max  0.953
_exptl_absorpt_correction_T_min  0.877
_exptl_absorpt_correction_type   analytical
_exptl_absorpt_process_details   Tompa
_exptl_crystal_colour            green
_exptl_crystal_density_diffrn    1.384
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       'rectangular plate'
_exptl_crystal_F_000             1000
_exptl_crystal_size_max          .35
_exptl_crystal_size_mid          .15
_exptl_crystal_size_min          .06
_refine_diff_density_max         0.55
_refine_diff_density_min         -0.49
_refine_ls_abs_structure_details none
_refine_ls_abs_structure_Flack   ?
_refine_ls_extinction_coef       -0.00000025(7)
_refine_ls_extinction_expression
;
Larson, A. C. (1967).  Acta Cryst. 23, p. 664.  Eq. (3)
;
_refine_ls_extinction_method     Zachariasen
_refine_ls_goodness_of_fit_ref   1.1184
_refine_ls_hydrogen_treatment    ?
_refine_ls_matrix_type           full
_refine_ls_number_parameters     347
_refine_ls_number_reflns         2980
_refine_ls_R_factor_gt           0.0669
_refine_ls_shift/su_max          0.023
_refine_ls_structure_factor_coef F
_refine_ls_weighting_details     w^-1^=\s^2^(F)+(.03F)^2^
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_ref         0.0376
_reflns_number_gt                2417
_reflns_number_total             4010
_reflns_threshold_expression     F^2^>2.33\s(F^2^)
_cod_depositor_comments
;
The same structure appears twice in Inorganic Chemistry. The reference
for the other paper is:
    Inorganic Chemistry 38, 5241-5245 (1999) 
(Comment included by miguel)
;
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               5000339