Strong reducing agents containing dimolybdenum Mo2(4+) units and their oxidized cations with Mo2(5+/6+) cores stabilized by bicyclic guanidinate anions with a seven-membered ring.
Cotton, F. Albert; Murillo, Carlos A.; Wang, Xiaoping; Wilkinson, Chad C.; Dalton transactions (Cambridge, England : 2003)  (2006) 4623–4631; doi:10.1039/b608422b

data_7007659
_publ_section_title
;
 Strong reducing agents containing dimolybdenum Mo2(4+) units and their
 oxidized cations with Mo2(5+/6+) cores stabilized by bicyclic
 guanidinate anions with a seven-membered ring.
;
_journal_issue                   38
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              4623
_journal_page_last               4631
_journal_paper_doi               10.1039/b608422b
_journal_year                    2006
_chemical_formula_moiety         'C30 H52 Cl5 Mo2 N12'
_chemical_formula_sum            'C30 H52 Cl5 Mo2 N12'
_chemical_formula_weight         949.97
_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                98.855(2)
_cell_angle_beta                 104.043(2)
_cell_angle_gamma                117.894(2)
_cell_formula_units_Z            2
_cell_length_a                   11.8255(11)
_cell_length_b                   12.5118(12)
_cell_length_c                   16.3372(16)
_cell_measurement_reflns_used    5954
_cell_measurement_temperature    213(2)
_cell_measurement_theta_max      27.5505
_cell_measurement_theta_min      2.4665
_cell_volume                     1969.1(3)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    XP
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      213(2)
_diffrn_measured_fraction_theta_full 0.989
_diffrn_measured_fraction_theta_max 0.989
_diffrn_measurement_device_type  'Bruker SMART'
_diffrn_measurement_method       \w-scans
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'normal-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0189
_diffrn_reflns_av_sigmaI/netI    0.0369
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            11586
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         1.94
_exptl_absorpt_coefficient_mu    1.016
_exptl_absorpt_correction_T_max  0.8304
_exptl_absorpt_correction_T_min  0.7853
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            brown
_exptl_crystal_density_diffrn    1.602
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    .
_exptl_crystal_description       block
_exptl_crystal_F_000             970
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.19
_exptl_crystal_size_min          0.19
_refine_diff_density_max         1.026
_refine_diff_density_min         -0.940
_refine_diff_density_rms         0.100
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.142
_refine_ls_hydrogen_treatment    noref
_refine_ls_matrix_type           full
_refine_ls_number_parameters     452
_refine_ls_number_reflns         6849
_refine_ls_number_restraints     7
_refine_ls_restrained_S_all      1.159
_refine_ls_R_factor_all          0.0586
_refine_ls_R_factor_gt           0.0408
_refine_ls_shift/su_max          0.006
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0665P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1098
_refine_ls_wR_factor_ref         0.1198
_reflns_number_gt                5275
_reflns_number_total             6849
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b608422b.txt
_cod_data_source_block           2twoCH2Cl2
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
according to '/home/saulius/struct/CIF-dictionaries/cif_core.dic'
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius 
;
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               7007659