Synthesis of Highly Stable 1,3-Diaryl-1H-1,2,3-triazol-5-ylidenes and their Applications in Ruthenium-Catalyzed Olefin Metathesis.
Bouffard, Jean; Keitz, Benjamin K.; Tonner, Ralf; Lavallo, Vincent; Guisado-Barrios, Gregorio; Frenking, Gernot; Grubbs, Robert H.; Bertrand, Guy; Organometallics 30 (2011) 2617–2627; doi:10.1021/om200272m

data_4064690
_publ_section_title
;
 Synthesis of Highly Stable 1,3-Diaryl-1H-1,2,3-triazol-5-ylidenes and
 their Applications in Ruthenium-Catalyzed Olefin Metathesis.
;
_journal_issue                   9
_journal_name_full               Organometallics
_journal_page_first              2617
_journal_page_last               2627
_journal_paper_doi               10.1021/om200272m
_journal_volume                  30
_journal_year                    2011
_chemical_formula_moiety         'C51 H69 Cl2 N3 O Ru, C7 H8'
_chemical_formula_sum            'C58 H77 Cl2 N3 O Ru'
_chemical_formula_weight         1004.20
_chemical_name_systematic
;

 ?

;
_space_group_IT_number           85
_symmetry_cell_setting           tetragonal
_symmetry_space_group_name_Hall  '-P 4a'
_symmetry_space_group_name_H-M   'P 4/n :2'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   24.5155(5)
_cell_length_b                   24.5155(5)
_cell_length_c                   18.8485(4)
_cell_measurement_reflns_used    9272
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      33.78
_cell_measurement_theta_min      2.63
_cell_volume                     11328.1(4)
_computing_cell_refinement       'Bruker SAINT-Plus v7.66A'
_computing_data_collection       'Bruker APEX2 v2009.7-0'
_computing_data_reduction        'Bruker SAINT-Plus v7.66A'
_computing_molecular_graphics    'Bruker XP v5.1'
_computing_publication_material  'Bruker XCIF 2008'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.989
_diffrn_measured_fraction_theta_max 0.989
_diffrn_measurement_device_type  'Bruker KAPPA APEX II'
_diffrn_measurement_method       '\w scans; 7 settings'
_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  0.0355
_diffrn_reflns_av_sigmaI/netI    0.0296
_diffrn_reflns_limit_h_max       39
_diffrn_reflns_limit_h_min       -38
_diffrn_reflns_limit_k_max       25
_diffrn_reflns_limit_k_min       -38
_diffrn_reflns_limit_l_max       29
_diffrn_reflns_limit_l_min       -29
_diffrn_reflns_number            232077
_diffrn_reflns_theta_full        34.50
_diffrn_reflns_theta_max         34.50
_diffrn_reflns_theta_min         2.32
_exptl_absorpt_coefficient_mu    0.410
_exptl_absorpt_correction_T_max  0.9336
_exptl_absorpt_correction_T_min  0.8665
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            'Dark brown'
_exptl_crystal_density_diffrn    1.178
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Block
_exptl_crystal_F_000             4256
_exptl_crystal_size_max          0.36
_exptl_crystal_size_mid          0.25
_exptl_crystal_size_min          0.17
_refine_diff_density_max         1.770
_refine_diff_density_min         -1.423
_refine_diff_density_rms         0.083
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   4.381
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     590
_refine_ls_number_reflns         23781
_refine_ls_number_restraints     43
_refine_ls_restrained_S_all      4.476
_refine_ls_R_factor_all          0.0696
_refine_ls_R_factor_gt           0.0487
_refine_ls_shift/su_max          0.003
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details     w=1/s^2^(Fo^2^)
_refine_ls_weighting_scheme      sigma
_refine_ls_wR_factor_gt          0.0708
_refine_ls_wR_factor_ref         0.0712
_reflns_number_gt                16570
_reflns_number_total             23781
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om200272m_si_002.cif
_cod_data_source_block           Faa
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Tetragonal' changed to 'tetragonal'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.1 from
2010-06-29.

'_atom_sites_solution_hydrogens' value 'Geom' changed to
'geom' according to
/home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary named
'cif_core.dic' version 2.4.1 from
2010-06-29.

'_atom_sites_solution_primary' value 'Direct' changed to
'direct' according to
/home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary named
'cif_core.dic' version 2.4.1 from
2010-06-29.

'_atom_sites_solution_secondary' value 'Difmap' changed
to 'difmap' according to
/home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary named
'cif_core.dic' version 2.4.1 from
2010-06-29.

'_refine_ls_matrix_type' value 'Full' changed to 'full'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.1 from
2010-06-29.

'_refine_ls_weighting_scheme' value 'Sigma' changed to
'sigma' 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_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_sg_symbol_H-M      P4/n
_cod_database_code               4064690