Syntheses of diiridium complexes with two bridging tetrachalcogenide ligands [{Ir(η5-C5Me5)}2(μ-E4)2] (E = Se or S) and their reactions with alkynes forming mono- or di-nuclear dichalcogenolene complexes
Nagao, Shoken; Seino, Hidetake; Okada, Tomohiko; Mizobe, Yasushi; Hidai, Masanobu; Journal of the Chemical Society, Dalton Transactions  (2000) 3546–; doi:10.1039/b004404k

data_7009928
_publ_section_title
;
 Syntheses of diiridium complexes with two bridging tetrachalcogenide
 ligands [{Ir(\h5-C5Me5)}2(\m-E4)2] (E&#x2005;=&#x2005;Se or S) and
 their reactions with alkynes forming mono- or di-nuclear
 dichalcogenolene complexes
;
_journal_issue                   20
_journal_name_full
'Journal of the Chemical Society, Dalton Transactions'
_journal_page_first              3546
_journal_paper_doi               10.1039/b004404k
_journal_year                    2000
_chemical_formula_moiety         'C16 H21 Ir O4 Se2 '
_chemical_formula_sum            'C16 H21 Ir O4 Se2'
_chemical_formula_weight         627.48
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_Int_Tables_number      14
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_audit_creation_date             'Fri Dec  4 13:18:55 1998'
_audit_creation_method           'from TEXRAY.INF file'
_cell_angle_alpha                90
_cell_angle_beta                 112.210(6)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   11.977(1)
_cell_length_b                   11.6244(8)
_cell_length_c                   15.223(1)
_cell_measurement_reflns_used    25
_cell_measurement_temperature    296.2
_cell_measurement_theta_max      20.0
_cell_measurement_theta_min      19.5
_cell_volume                     1962.2(3)
_computing_cell_refinement       'Rigaku/AFC Diffractometer Control'
_computing_data_collection       'Rigaku/AFC Diffractometer Control'
_computing_data_reduction        teXsan
_computing_publication_material  teXsan
_computing_structure_refinement  teXsan
_computing_structure_solution    'DIRDIF92 (PATTY)'
_diffrn_ambient_temperature      296.2
_diffrn_measurement_device_type  'Rigaku AFC7R'
_diffrn_measurement_method       \w-2\q
_diffrn_orient_matrix_UB_11      -0.01160
_diffrn_orient_matrix_UB_12      -0.08451
_diffrn_orient_matrix_UB_13      -0.01235
_diffrn_orient_matrix_UB_21      -0.07894
_diffrn_orient_matrix_UB_22      0.01520
_diffrn_orient_matrix_UB_23      -0.05304
_diffrn_orient_matrix_UB_31      0.04203
_diffrn_orient_matrix_UB_32      0.00522
_diffrn_orient_matrix_UB_33      -0.04548
_diffrn_radiation_detector       'scintillation counter'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'Rigaku rotating anode'
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.7107
_diffrn_reflns_av_R_equivalents  0.016
_diffrn_reflns_av_sigmaI/netI    0.048
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       0
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            4695
_diffrn_reflns_reduction_process 'Lp corrections applied'
_diffrn_reflns_theta_max         27.48
_diffrn_reflns_theta_min         2.54
_diffrn_standards_decay_%        -0.17
_diffrn_standards_interval_count 150
_diffrn_standards_number         3
_exptl_absorpt_coefficient_mu    10.548
_exptl_absorpt_correction_T_max  0.998
_exptl_absorpt_correction_T_min  0.566
_exptl_absorpt_correction_type   psi-scan
_exptl_absorpt_process_details   '(North, Phillips & Mathews, 1968)'
_exptl_crystal_colour            darkred
_exptl_crystal_density_diffrn    2.124
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prismatic
_exptl_crystal_F_000             1176.00
_exptl_crystal_size_max          0.400
_exptl_crystal_size_mid          0.300
_exptl_crystal_size_min          0.200
_refine_diff_density_max         1.40
_refine_diff_density_min         -0.77
_refine_ls_extinction_coef       0.00178(7)
_refine_ls_extinction_method     'Zachariasen(1967) type 2 Gaussian isotropic'
_refine_ls_goodness_of_fit_ref   1.747
_refine_ls_hydrogen_treatment    noref
_refine_ls_matrix_type           full
_refine_ls_number_constraints    0
_refine_ls_number_parameters     209
_refine_ls_number_reflns         3435
_refine_ls_number_restraints     0
_refine_ls_R_factor_all          0.0294
_refine_ls_R_factor_gt           0.0294
_refine_ls_shift/su_max          0.0140
_refine_ls_shift/su_mean         0.0010
_refine_ls_structure_factor_coef F
_refine_ls_weighting_details     'w = 1/[\s^2^(Fo) + 0.00002|Fo|^2^]'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0262
_refine_ls_wR_factor_ref         0.0262
_reflns_number_gt                3435
_reflns_number_total             4486
_reflns_threshold_expression     >3.0sigma(I)
_cod_data_source_file            b004404k.txt
_cod_data_source_block           '[Cp*Ir{Se2C2(COOMe)2}]_(7)'
_cod_depositor_comments
;
The following automatic conversions were performed:
'_reflns_observed_expression' tag replaced with
'_reflns_threshold_expression' tag as specified in the replacement
file
'cod-tools/trunk/perl-scripts/inputs/replacement_tags.lst'.

'_atom_site_calc_flags'
tag replaced with '_atom_site_calc_flag' tag as specified in the
replacement file
'cod-tools/trunk/perl-scripts/inputs/replacement_tags.lst'.

'_atom_type_scat_imag'
tag replaced with '_atom_type_scat_dispersion_imag' tag as specified
in the replacement file
'cod-tools/trunk/perl-scripts/inputs/replacement_tags.lst'.

Automatic conversion script
Id: cif_correct_tags 3137 2015-03-23 15:08:43Z antanas 
;
_cod_original_sg_symbol_H-M      'P 21/n       '
_cod_original_formula_sum        'C16 H21 Ir O4 Se2 '
_cod_database_code               7009928