Syntheses and structures of pyrazolylmethane complexes of rhenium(III), (IV) and (V).
Cowley, Andrew R.; Dilworth, Jonathan R.; Salichou, Maria; Dalton transactions (Cambridge, England : 2003)  (2007) 1621–1629; doi:10.1039/b617549j

data_7005188
_publ_section_title
;
 Syntheses and structures of pyrazolylmethane complexes of
 rhenium(III), (IV) and (V).
;
_journal_issue                   16
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              1621
_journal_page_last               1629
_journal_paper_doi               10.1039/b617549j
_journal_year                    2007
_chemical_compound_source
;
synthesis as described
;
_chemical_formula_moiety         ' C20 H20 Cl4 N12 O3 Re2 '
_chemical_formula_sum            'C20 H20 Cl4 N12 O3 Re2'
_chemical_formula_weight         990.67
_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
_cell_angle_alpha                90
_cell_angle_beta                 95.9521(16)
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   9.7300(3)
_cell_length_b                   13.4343(5)
_cell_length_c                   10.8514(4)
_cell_measurement_reflns_used    10485
_cell_measurement_temperature    150
_cell_measurement_theta_max      28
_cell_measurement_theta_min      5
_cell_volume                     1410.80(9)
_computing_cell_refinement
;
KappaCCD software 'DENZO' (Otwinowski & Minor, 1996)
;
_computing_data_collection
;
KappaCCD software 'Collect' (Nonius, 2000)
;
_computing_data_reduction
;
KappaCCD software 'DENZO' (Otwinowski & Minor, 1996)
;
_computing_publication_material
;
CRYSTALS (Watkin et al, 2001)
;
_computing_structure_refinement
;
CRYSTALS (Watkin et al, 2001)
;
_computing_structure_solution    'SIR92 (Giacovazzo et al, 1992)'
_diffrn_ambient_temperature      150
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.994
_diffrn_measurement_device_type
;
Nonius KappaCCD
;
_diffrn_measurement_method       \w
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.076
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            10485
_diffrn_reflns_theta_full        27.467
_diffrn_reflns_theta_max         27.467
_diffrn_reflns_theta_min         5.126
_diffrn_standards_decay_%        0.00
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    9.000
_exptl_absorpt_correction_T_max  0.58
_exptl_absorpt_correction_T_min  0.34
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
Denzo/Scalepack (Otwinowski & Minor, 1996)
;
_exptl_crystal_colour            ' dark blue '
_exptl_crystal_density_diffrn    2.332
_exptl_crystal_description       ' tablet '
_exptl_crystal_F_000             932
_exptl_crystal_size_max          0.12
_exptl_crystal_size_mid          0.12
_exptl_crystal_size_min          0.06
_exptl_crystal_thermal_history
;
The material was crystallised at ambient temperature. A suitable crystal
was cooled rapidly to 150K for single-crystal X-ray diffraction analysis.
;
_refine_diff_density_max         1.18
_refine_diff_density_min         -1.37
_refine_ls_extinction_method     None
_refine_ls_goodness_of_fit_ref   1.1131
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     191
_refine_ls_number_reflns         1832
_refine_ls_number_restraints     0
_refine_ls_R_factor_all          0.0781
_refine_ls_R_factor_gt           0.0312
_refine_ls_shift/su_max          0.029903
_refine_ls_structure_factor_coef F
_refine_ls_weighting_details
;
Method, part 1, Chebychev polynomial, (Watkin, 1994, Prince, 1982)
[weight] = 1.0/[A~0~*T~0~(x)+A~1~*T~1~(x) ... +A~n-1~]*T~n-1~(x)]
where A~i~ are the Chebychev coefficients listed below and x= Fcalc/Fmax
Method = Robust Weighting (Prince, 1982)
W = [weight] * [1-(deltaF/6*sigmaF)^2^]^2^
A~i~ are:
0.176 0.0105 0.0190
;
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_all         0.0703
_refine_ls_wR_factor_gt          0.0311
_refine_ls_wR_factor_ref         0.0311
_reflns_limit_h_max              12
_reflns_limit_h_min              -12
_reflns_limit_k_max              17
_reflns_limit_k_min              0
_reflns_limit_l_max              14
_reflns_limit_l_min              0
_reflns_number_gt                1832
_reflns_number_total             3189
_reflns_threshold_expression     I>3.00u(I)
_cod_data_source_file            b617549j.txt
_cod_data_source_block           arc1273
_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 
;
_cod_original_sg_symbol_H-M      'P 1 21/n 1 '
_cod_original_formula_sum        ' C20 H20 Cl4 N12 O3 Re2 '
_cod_database_code               7005188