Crystal structure and fluxional behaviour in solution of [Rh4(CO)6(µ-Me2PCH2PMe2)3]Electronic supplementary information (ESI) available: regression of the Eyring plot of [Rh4(CO)6(µ-Me2PCH2PMe2)3] as measured by 13C‒NMR between 169 and 293 K in CD2Cl2. 31P‒NMR spectra of [Rh4(CO)6(µ-Me2PCH2PMe2)3] in CD2Cl2 at three different temperatures. See http://www.rsc.org/suppdata/dt/b2/b210986g/
Besançon, Katya; Lumini, Tito; Laurenczy, Gàbor; Detti, Serena; Schenk, Kurt; Roulet, Raymond; Dalton Transactions  (2003) 968–; doi:10.1039/b210986g

data_7012438
_publ_section_title
;
 Crystal structure and fluxional behaviour in solution of
 [Rh4(CO)6(&#x00B5;-Me2PCH2PMe2)3]Electronic supplementary information
 (ESI) available: regression of the Eyring plot of
 [Rh4(CO)6(&#x00B5;-Me2PCH2PMe2)3] as measured by 13C--NMR between 169
 and 293 K in CD2Cl2. 31P--NMR spectra of
 [Rh4(CO)6(&#x00B5;-Me2PCH2PMe2)3] in CD2Cl2 at three different
 temperatures. See http://www.rsc.org/suppdata/dt/b2/b210986g/
;
_journal_issue                   5
_journal_name_full               'Dalton Transactions'
_journal_page_first              968
_journal_paper_doi               10.1039/b210986g
_journal_year                    2003
_chemical_formula_moiety         'C21 H40 O6 P6 Rh4 . CH2Cl2'
_chemical_formula_sum            'C22 H42 Cl2 O6 P6 Rh4'
_chemical_formula_weight         1070.92
_space_group_IT_number           62
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-P 2ac 2n'
_symmetry_space_group_name_H-M   'P n m a'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_date             'Friday, 11th October 2002'
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   17.340(4)
_cell_length_b                   17.788(4)
_cell_length_c                   12.037(2)
_cell_measurement_reflns_used    25
_cell_measurement_temperature    130(1)
_cell_measurement_theta_max      19.0
_cell_measurement_theta_min      7.5
_cell_volume                     3712.7(13)
_computing_cell_refinement       'ENRAF-NONIUS CAD4'
_computing_data_collection       'ENRAF-NONIUS CAD4'
_computing_data_reduction        X-Ray-72
_computing_molecular_graphics    'BRUKER SHELXTL'
_computing_publication_material  'BRUKER SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'DirDif 96'
_diffrn_ambient_temperature      130(1)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  diffractometer
_diffrn_measurement_method       '\w : 2\q scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           AgK\a
_diffrn_radiation_wavelength     0.56086
_diffrn_reflns_av_R_equivalents  0.0237
_diffrn_reflns_av_sigmaI/netI    0.0240
_diffrn_reflns_limit_h_max       28
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       28
_diffrn_reflns_limit_k_min       -22
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       0
_diffrn_reflns_number            16348
_diffrn_reflns_theta_full        26.97
_diffrn_reflns_theta_max         26.97
_diffrn_reflns_theta_min         1.61
_diffrn_standards_decay_%        0
_diffrn_standards_interval_time  180s
_diffrn_standards_number         3
_exptl_absorpt_coefficient_mu    1.144
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            'dark red brown'
_exptl_crystal_density_diffrn    1.916
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       irregular-globular
_exptl_crystal_F_000             2104
_refine_diff_density_max         0.830
_refine_diff_density_min         -0.893
_refine_diff_density_rms         0.107
_refine_ls_extinction_coef       0.00064(4)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   2.089
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     201
_refine_ls_number_reflns         8415
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      2.089
_refine_ls_R_factor_all          0.0349
_refine_ls_R_factor_gt           0.0212
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details     sigma
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0461
_refine_ls_wR_factor_ref         0.0471
_reflns_number_gt                6931
_reflns_number_total             8415
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b210986g.txt
_cod_data_source_block           Tito_7
_cod_original_sg_symbol_H-M      Pnma
_cod_database_code               7012438