Jahn-Teller distortion of the open-shell 23-electron chalcogenide rhenium cluster cores in crystals of the series, {[Re~6~Q~8~]^3+^(X^-^)~6~}^3-^ (Q = S, Se; X = Cl, CN)
Baudron, Stéphane A.; Deluzet, André; Boubekeur, Kamal; Batail, Patrick; Chemical Communications  (2002) 2124–2125; doi:10.1039/b205241e

data_7114043
_publ_section_title
;
 Jahn-Teller distortion of the open-shell 23-electron chalcogenide
 rhenium cluster cores in crystals of the series, 
{[Re~6~Q~8~]^3+^(X^-^)~6~}^3-^ (Q = S, Se; X = Cl, CN)
;
_journal_issue                   18
_journal_name_full               'Chemical Communications'
_journal_page_first              2124
_journal_page_last               2125
_journal_paper_doi               10.1039/b205241e
_journal_year                    2002
_chemical_formula_sum            'C106 H86 N8 P4 Re6 Se8'
_chemical_formula_weight         3344.59
_chemical_name_common            '(PPh4)4 (Re6Se8(CN)6) (CH3CN)2'
_chemical_name_systematic
; 
? 
;
_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                109.720(11)
_cell_angle_beta                 96.004(13)
_cell_angle_gamma                101.447(12)
_cell_formula_units_Z            1
_cell_length_a                   12.6001(13)
_cell_length_b                   13.1402(12)
_cell_length_c                   16.9448(18)
_cell_measurement_reflns_used    7998
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      52.1
_cell_measurement_theta_min      3.3
_cell_volume                     2543.3(5)
_computing_cell_refinement       'SELECT, CELL [STOE-IPDS]'
_computing_data_collection       'EXPOSE [STOE-IPDS]'
_computing_data_reduction        'INTEGRATE [STOE-IPDS]'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_detector_area_resol_mean 6.66
_diffrn_measured_fraction_theta_full 0.935
_diffrn_measured_fraction_theta_max 0.935
_diffrn_measurement_device_type  STOE-IPDS
_diffrn_measurement_method       'Oscillation, Phi. incr. == 1.4'
_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  0.0667
_diffrn_reflns_av_sigmaI/netI    0.0694
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       0
_diffrn_reflns_number            25005
_diffrn_reflns_theta_full        25.84
_diffrn_reflns_theta_max         25.84
_diffrn_reflns_theta_min         1.92
_exptl_absorpt_coefficient_mu    10.087
_exptl_absorpt_correction_T_max  0.1759
_exptl_absorpt_correction_T_min  0.0251
_exptl_absorpt_correction_type   numerical
_exptl_absorpt_process_details   'FACEIT, STOE-IPDS'
_exptl_crystal_colour            orange
_exptl_crystal_density_diffrn    2.184
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1560
_exptl_crystal_size_max          0.6930
_exptl_crystal_size_mid          0.4259
_exptl_crystal_size_min          0.1924
_refine_diff_density_max         2.216
_refine_diff_density_min         -2.710
_refine_diff_density_rms         0.199
_refine_ls_extinction_coef       0.00091(5)
_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   0.861
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     597
_refine_ls_number_reflns         9183
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.861
_refine_ls_R_factor_all          0.0573
_refine_ls_R_factor_gt           0.0337
_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^)+(0.0363P)^2^+0.0000P] where P==(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0776
_refine_ls_wR_factor_ref         0.0826
_reflns_number_gt                6003
_reflns_number_total             9183
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b205241e.txt
_cod_data_source_block           cluster_abmerge
_cod_depositor_comments
;
The following automatic conversions were performed:

'_exptl_crystal_density_meas' value 'not measured' was changed to '?'
- the value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 3008 2015-01-20 13:52:24Z robertas 
;
_cod_original_cell_volume        2543.3(4)
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               7114043