The reactions of heterocyclic organotellurium and selenium compounds with triiron dodecacarbonyl
Majeed, Zulfiqar; McWhinnie, William R.; Paxton, Keith; Hamor, Thomas A.; Journal of the Chemical Society, Dalton Transactions  (1998) 3947–; doi:10.1039/a805881d

data_7027032
_publ_section_title
;
 The reactions of heterocyclic organotellurium and selenium compounds with
 triiron dodecacarbonyl
;
_journal_issue                   23
_journal_name_full
'Journal of the Chemical Society, Dalton Transactions'
_journal_page_first              3947
_journal_paper_doi               10.1039/a805881d
_journal_year                    1998
_chemical_formula_sum            'C20 H12 Fe2 O6 Te2'
_chemical_formula_weight         715.2
_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
_cell_angle_alpha                90.00
_cell_angle_beta                 105.49(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   10.863(2)
_cell_length_b                   7.245(2)
_cell_length_c                   14.380(3)
_cell_measurement_reflns_used    5937
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      25.2
_cell_measurement_theta_min      3.2
_cell_volume                     1090.6(4)
_computing_cell_refinement
;
 Unit cell dimensions were obtained by post refinement of the full data 
set.
;
_computing_molecular_graphics    'ORTEP (see reference 13)'
_computing_structure_refinement  'SHELXL-93 (see reference 12)'
_computing_structure_solution    'TEXSAN (see reference 11)'
_diffrn_ambient_temperature      293(2)
_diffrn_measurement_device       'Rigaku area detector diffractometer'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'rotating anode'
_diffrn_radiation_type           MoKa
_diffrn_radiation_wavelength     0.7107
_diffrn_reflns_av_R_equivalents  0.0583
_diffrn_reflns_av_sigmaI/netI    0.0432
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       8
_diffrn_reflns_limit_k_min       -8
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            5937
_diffrn_reflns_theta_max         25.21
_diffrn_reflns_theta_min         3.17
_exptl_absorpt_coefficient_mu    3.985
_exptl_absorpt_correction_type
;
 Specific absorption corrections not applied. Averaging of symmetry
 equivalent reflections for small near equi-dimensional crystal
 will minimize absorption effects.
;
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    2.178
_exptl_crystal_F_000             672
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.25
_exptl_crystal_size_min          0.2
_refine_diff_density_max         0.515
_refine_diff_density_min         -0.687
_refine_diff_density_rms         0.119
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_all   1.256
_refine_ls_goodness_of_fit_obs   1.274
_refine_ls_matrix_type           full
_refine_ls_number_parameters     136
_refine_ls_number_reflns         1888
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.256
_refine_ls_restrained_S_obs      1.274
_refine_ls_R_factor_all          0.0579
_refine_ls_R_factor_obs          0.0533
_refine_ls_shift/esd_max         -0.001
_refine_ls_shift/esd_mean        0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[s^2^(Fo^2^)+( 0.0232P)^2^+4.8089P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_all         0.1060
_refine_ls_wR_factor_obs         0.1042
_reflns_number_observed          1781
_reflns_number_total             1888
_reflns_observed_criterion       >2sigma(I)
_cod_data_source_file            805881dsup1.cif
_cod_data_source_block           zulfin8
_cod_depositor_comments
;
The following automatic conversions were performed:

'_refine_ls_weighting_scheme' value 'calc w=1/[s^2^(Fo^2^)+(
0.0232P)^2^+4.8089P] 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^)+( 0.0232P)^2^+4.8089P] where
P=(Fo^2^+2Fc^2^)/3'.

Automatic conversion script
Id: cif_fix_values 3143 2015-03-26 13:38:13Z robertas 
;
_cod_original_sg_symbol_H-M      P2(1)/n
_cod_database_code               7027032