Substitution reactions with [ReBr2(CO)2(NCCH3)2]−: a convenient route to complexes with the cis-[Re(CO)2]+ core
Kromer, Lukas; Spingler, Bernhard; Alberto, Roger; Dalton Transactions  (2008) 5800–5806; doi:10.1039/b805410j

data_7004313
_publ_section_title
;
 Substitution reactions with [ReBr2(CO)2(NCCH3)2]&#x2212;: a convenient
 route to complexes with the cis-[Re(CO)2]+ core
;
_journal_issue                   42
_journal_name_full               'Dalton Transactions'
_journal_page_first              5800
_journal_page_last               5806
_journal_paper_doi               10.1039/b805410j
_journal_year                    2008
_chemical_formula_sum            'C18 H12 Br N4 O4 Re'
_chemical_formula_weight         614.43
_chemical_name_systematic
;
?
;
_space_group_IT_number           13
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yac'
_symmetry_space_group_name_H-M   'P 1 2/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                 93.37(1)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   16.7319(14)
_cell_length_b                   7.0306(4)
_cell_length_c                   16.9965(14)
_cell_measurement_reflns_used    8000
_cell_measurement_temperature    183(2)
_cell_measurement_theta_max      30.0
_cell_measurement_theta_min      3.2
_cell_volume                     1995.9(3)
_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    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      183(2)
_diffrn_measured_fraction_theta_full 0.973
_diffrn_measured_fraction_theta_max 0.973
_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  0.0923
_diffrn_reflns_av_sigmaI/netI    0.0666
_diffrn_reflns_limit_h_max       19
_diffrn_reflns_limit_h_min       -19
_diffrn_reflns_limit_k_max       8
_diffrn_reflns_limit_k_min       -7
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            12670
_diffrn_reflns_theta_full        25.03
_diffrn_reflns_theta_max         25.03
_diffrn_reflns_theta_min         3.14
_diffrn_standards_interval_count 'every image'
_diffrn_standards_interval_time  8
_diffrn_standards_number         50-200
_exptl_absorpt_coefficient_mu    8.121
_exptl_absorpt_correction_T_max  0.6644
_exptl_absorpt_correction_T_min  0.3978
_exptl_absorpt_correction_type   numerical
_exptl_crystal_colour            'dark red'
_exptl_crystal_density_diffrn    2.045
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1160
_exptl_crystal_size_max          0.14
_exptl_crystal_size_mid          0.07
_exptl_crystal_size_min          0.06
_refine_diff_density_max         1.617
_refine_diff_density_min         -1.503
_refine_diff_density_rms         0.214
_refine_ls_extinction_coef       0.0021(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   1.058
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     258
_refine_ls_number_reflns         3438
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.058
_refine_ls_R_factor_all          0.0816
_refine_ls_R_factor_gt           0.0674
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0799P)^2^+29.6151P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1672
_refine_ls_wR_factor_ref         0.1735
_reflns_number_gt                2592
_reflns_number_total             3438
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b805410j.txt
_cod_data_source_block           lk080606
_cod_original_sg_symbol_H-M      P2/n
_cod_database_code               7004313