Synthesis and Reactivity of the 17 e-Complex [ReIIBr4(CO)2]2-: A Convenient Entry into Rhenium(II) Chemistry
Fabio Zobi; Lukas Kromer; Bernhard Spingler; Roger Alberto; Inorganic Chemistry 48 (2009) 8965–8970; doi:10.1021/ic901031x

data_4303179
_publ_section_title
;
Synthesis and Reactivity of the 17 e-Complex [ReIIBr4(CO)2]2-: A
Convenient Entry into Rhenium(II) Chemistry
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              8965
_journal_page_last               8970
_journal_paper_doi               10.1021/ic901031x
_journal_volume                  48
_journal_year                    2009
_chemical_formula_sum            'C16 H28 Br2 N5 O2 Re'
_chemical_formula_weight         668.45
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_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                 99.161(8)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   8.0465(5)
_cell_length_b                   18.4213(10)
_cell_length_c                   14.7645(11)
_cell_measurement_reflns_used    8000
_cell_measurement_temperature    183(2)
_cell_measurement_theta_max      30.5
_cell_measurement_theta_min      2.7
_cell_volume                     2160.6(2)
_computing_cell_refinement       'IPDS (Stoe, 1999)'
_computing_data_collection       'IPDS (Stoe, 1999)'
_computing_data_reduction        'X-RED (Stoe, 1999)'
_computing_molecular_graphics    'ORTEP-3 (Farrugia, 1997)'
_computing_publication_material  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SIR-97 (Altomare, 1999)'
_diffrn_ambient_temperature      183(2)
_diffrn_measured_fraction_theta_full 0.948
_diffrn_measured_fraction_theta_max 0.948
_diffrn_measurement_device_type  'Stoe IPDS'
_diffrn_measurement_method       '/f oscillation scan'
_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  0.0632
_diffrn_reflns_av_sigmaI/netI    0.0290
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       24
_diffrn_reflns_limit_k_min       -24
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            30848
_diffrn_reflns_theta_full        27.88
_diffrn_reflns_theta_max         27.88
_diffrn_reflns_theta_min         2.62
_diffrn_standards_interval_count 'every image'
_diffrn_standards_interval_time  5.5
_diffrn_standards_number         50-200
_exptl_absorpt_coefficient_mu    9.343
_exptl_absorpt_correction_T_max  0.5021
_exptl_absorpt_correction_T_min  0.2269
_exptl_absorpt_correction_type   numerical
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    2.055
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             1280
_exptl_crystal_size_max          0.45
_exptl_crystal_size_mid          0.13
_exptl_crystal_size_min          0.09
_refine_diff_density_max         1.943
_refine_diff_density_min         -1.551
_refine_diff_density_rms         0.203
_refine_ls_extinction_coef       0.0035(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   1.154
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     240
_refine_ls_number_reflns         4893
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.154
_refine_ls_R_factor_all          0.0555
_refine_ls_R_factor_gt           0.0501
_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^)+(0.0800P)^2^+5.7666P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1330
_refine_ls_wR_factor_ref         0.1396
_reflns_number_gt                4194
_reflns_number_total             4893
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic901031x_si_001_3.cif
_cod_data_source_block           lk051006
_cod_database_code               4303179