Chemistry of monovalent and bivalent rhenium: synthesis, structure, isomer specificity and metal redox of azoheterocycle complexes
Chakraborty, Indranil; Sengupta, Suman; Das, Samir; Banerjee, Sangeeta; Chakravorty, Animesh; Dalton Transactions  (2003) 134–; doi:10.1039/b208338h

data_7012171
_publ_section_title
;
 Chemistry of monovalent and bivalent rhenium: synthesis, structure,
 isomer specificity and metal redox of azoheterocycle complexes
;
_journal_issue                   1
_journal_name_full               'Dalton Transactions'
_journal_page_first              134
_journal_paper_doi               10.1039/b208338h
_journal_year                    2003
_chemical_formula_sum            'C22 H24 Cl2 N8 Re'
_chemical_formula_weight         657.59
_chemical_name_systematic
; 
? 
;
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     heavy
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL
_cell_angle_alpha                90.00
_cell_angle_beta                 110.86(4)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   28.740(16)
_cell_length_b                   13.454(4)
_cell_length_c                   13.427(5)
_cell_measurement_reflns_used    30
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      15
_cell_measurement_theta_min      7
_cell_volume                     4851(4)
_computing_cell_refinement       'Siemens P3/P4-PC V4.27'
_computing_data_collection       'Siemens P3/P4-PC V4.27'
_computing_data_reduction        'Siemens P3/P4-PC V4.27'
_computing_molecular_graphics    'Siemens SHELXTL V5.03 PC'
_computing_publication_material  'Siemens SHELXTL V5.03 PC'
_computing_structure_refinement  'SHELXL-93 (Sheldrick, 1993)'
_computing_structure_solution    'SHELXS-86 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measurement_device       'Siemens R3m/V'
_diffrn_measurement_method       '\w scans'
_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  0.0476
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_diffrn_reflns_limit_h_max       32
_diffrn_reflns_limit_h_min       0
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_diffrn_reflns_limit_k_min       0
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_diffrn_reflns_limit_l_min       -15
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_diffrn_reflns_theta_max         23.54
_diffrn_reflns_theta_min         1.52
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 198
_diffrn_standards_number         2
_exptl_absorpt_coefficient_mu    5.257
_exptl_absorpt_correction_T_max  0.208
_exptl_absorpt_correction_T_min  0.136
_exptl_absorpt_correction_type   semi-empirical
_exptl_crystal_colour            'dark orange'
_exptl_crystal_density_diffrn    1.801
_exptl_crystal_description       parallelopiped
_exptl_crystal_F_000             2568
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.30
_refine_diff_density_max         2.238
_refine_diff_density_min         -0.616
_refine_diff_density_rms         0.134
_refine_ls_extinction_method     none
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_refine_ls_number_reflns         3604
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.921
_refine_ls_restrained_S_obs      0.868
_refine_ls_R_factor_all          0.0642
_refine_ls_R_factor_obs          0.0399
_refine_ls_shift/esd_max         -0.008
_refine_ls_shift/esd_mean        0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.1000P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_all         0.1297
_refine_ls_wR_factor_obs         0.1049
_reflns_number_observed          2718
_reflns_number_total             3604
_reflns_observed_criterion       >2sigma(I)
_cod_data_source_file            b208338h.txt
_cod_data_source_block           559re
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
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 

The following automatic conversions were performed:

'_refine_ls_weighting_scheme' value 'calc
w=1/[\s^2^(Fo^2^)+(0.1000P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3' was
changed to 'calc'. New tag '_refine_ls_weighting_details' was
created. The value of the new tag was set to
'w=1/[\s^2^(Fo^2^)+(0.1000P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'.

Automatic conversion script
Id: cif_fix_values 3143 2015-03-26 13:38:13Z robertas 

The following automatic conversions were performed:

'_atom_sites_solution_primary' value 'Heavy atom method' was changed
to 'heavy'.

Automatic conversion script
Id: cif_fix_values 6452 2018-10-05 10:23:21Z andrius 
;
_cod_original_cell_volume        4851.5(36)
_cod_original_sg_symbol_H-M      C2/c
_cod_database_code               7012171