Using EPR to follow reversible dihydrogen addition to paramagnetic clusters of high hydride count: [Rh(6)(PCy(3))(6)H(12)](+) and [Rh(6)(PCy(3))(6)H(14)](+).
Hiney, Rachel M.; Chaplin, Adrian B.; Harmer, Jeffrey; Green, Jennifer C.; Weller, Andrew S.; Dalton transactions (Cambridge, England : 2003) 39 (2010) 1726–1733; doi:10.1039/b919209c

data_7024623
_publ_section_title
;
 Using EPR to follow reversible dihydrogen addition to paramagnetic
 clusters of high hydride count: [Rh(6)(PCy(3))(6)H(12)](+) and
 [Rh(6)(PCy(3))(6)H(14)](+).
;
_journal_issue                   7
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              1726
_journal_page_last               1733
_journal_paper_doi               10.1039/b919209c
_journal_volume                  39
_journal_year                    2010
_chemical_formula_moiety         'C108 H198 P6 Rh6, C32 H12 B F24, 5(C7 H8)'
_chemical_formula_sum            'C175 H250 B F24 P6 Rh6'
_chemical_formula_weight         3623.84
_chemical_melting_point          ?
_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
_cell_angle_alpha                89.4455(3)
_cell_angle_beta                 88.7491(3)
_cell_angle_gamma                88.3928(3)
_cell_formula_units_Z            2
_cell_length_a                   17.49560(10)
_cell_length_b                   20.5413(2)
_cell_length_c                   24.3992(2)
_cell_measurement_reflns_used    36380
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      27.485
_cell_measurement_theta_min      5.097
_cell_volume                     8762.74(12)
_computing_cell_refinement       'Denzo/Scalepack (Otwinowski & Minor 1997)'
_computing_data_collection       'Collect (Nonius BV, 1997-2000)'
_computing_data_reduction        'Denzo/Scalepack (Otwinowski & Minor 1997)'
_computing_molecular_graphics    'ORTEP3 (Farrugia, 1997)'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      150(2)
_diffrn_detector_area_resol_mean 9
_diffrn_measured_fraction_theta_full 0.991
_diffrn_measured_fraction_theta_max 0.991
_diffrn_measurement_device       '95mm CCD camera on \k-goniostat'
_diffrn_measurement_device_type  KappaCCD
_diffrn_measurement_method       CCD
_diffrn_radiation_monochromator  'horizonally mounted graphite crystal'
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0382
_diffrn_reflns_av_sigmaI/netI    0.0616
_diffrn_reflns_limit_h_max       21
_diffrn_reflns_limit_h_min       -21
_diffrn_reflns_limit_k_max       25
_diffrn_reflns_limit_k_min       -25
_diffrn_reflns_limit_l_max       30
_diffrn_reflns_limit_l_min       -30
_diffrn_reflns_number            63504
_diffrn_reflns_theta_full        26.37
_diffrn_reflns_theta_max         26.37
_diffrn_reflns_theta_min         5.10
_exptl_absorpt_coefficient_mu    0.680
_exptl_absorpt_correction_T_max  1.0
_exptl_absorpt_correction_T_min  0.939
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Denzo/Scalepack (Otwinowski & Minor 1997)'
_exptl_crystal_colour            'dark purple'
_exptl_crystal_density_diffrn    1.373
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             3762
_exptl_crystal_size_max          0.1
_exptl_crystal_size_mid          0.1
_exptl_crystal_size_min          0.02
_refine_diff_density_max         1.201
_refine_diff_density_min         -0.981
_refine_diff_density_rms         0.099
_refine_ls_extinction_coef       0.00038(6)
_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   1.027
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     1722
_refine_ls_number_reflns         35541
_refine_ls_number_restraints     423
_refine_ls_restrained_S_all      1.035
_refine_ls_R_factor_all          0.0816
_refine_ls_R_factor_gt           0.0503
_refine_ls_shift/su_max          0.003
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0453P)^2^+19.0496P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1115
_refine_ls_wR_factor_ref         0.1263
_reflns_number_gt                25227
_reflns_number_total             35541
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b919209c.txt
_cod_data_source_block           035abc08
_cod_depositor_comments
;
The following automatic conversions were performed:

'_chemical_melting_point' value 'not measured' was changed to '?' -
the value is undefined or not given.

'_symmetry_cell_setting' value
'Triclinic' changed to 'triclinic' according to
/home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary named
'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 1891 2012-01-12 08:04:46Z andrius 

The following automatic conversions were performed:

'_exptl_crystal_density_meas' value 'not measured' was changed to '?'
- the value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 3008 2015-01-20 13:52:24Z robertas 
;
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               7024623