Alkyne insertion into cyclometallated pyrazole and imine complexes of iridium, rhodium and ruthenium; relevance to catalytic formation of carbo- and heterocycles.
Boutadla, Youcef; Davies, David L.; Al-Duaij, Omar; Fawcett, John; Jones, Rachel C.; Singh, Kuldip; Dalton transactions (Cambridge, England : 2003) 39 (2010) 10447–10457; doi:10.1039/c0dt00280a

data_7026240
_publ_section_title
;
 Alkyne insertion into cyclometallated pyrazole and imine complexes of
 iridium, rhodium and ruthenium; relevance to catalytic formation of
 carbo- and heterocycles.
;
_journal_issue                   43
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              10447
_journal_page_last               10457
_journal_paper_doi               10.1039/c0dt00280a
_journal_volume                  39
_journal_year                    2010
_chemical_formula_moiety         '4(C33 H31 Cl N2 Ru), H2 O, 2H2 O'
_chemical_formula_sum            'C132 H130 Cl4 N8 O3 Ru4'
_chemical_formula_weight         2422.52
_chemical_name_systematic
;
?
;
_space_group_IT_number           29
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2c -2ac'
_symmetry_space_group_name_H-M   'P c a 21'
_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            2
_cell_length_a                   23.312(3)
_cell_length_b                   13.9149(18)
_cell_length_c                   16.938(2)
_cell_measurement_reflns_used    883
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      23.375
_cell_measurement_theta_min      2.577
_cell_volume                     5494.4(12)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SHELXTL'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      150(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Bruker Apex 2000 CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_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  0.0988
_diffrn_reflns_av_sigmaI/netI    0.0990
_diffrn_reflns_limit_h_max       28
_diffrn_reflns_limit_h_min       -28
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            41341
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         26.00
_diffrn_reflns_theta_min         1.46
_exptl_absorpt_coefficient_mu    0.696
_exptl_absorpt_correction_T_max  0.802
_exptl_absorpt_correction_T_min  0.698
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details
;
absorption correction based on 12818 reflections(SADABS);Rint 0.0962 before
correction and 0.0500 after.
;
_exptl_crystal_colour            orange
_exptl_crystal_density_diffrn    1.464
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             2492
_exptl_crystal_size_max          0.18
_exptl_crystal_size_mid          0.13
_exptl_crystal_size_min          0.11
_refine_diff_density_max         0.814
_refine_diff_density_min         -0.440
_refine_diff_density_rms         0.082
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.48(3)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.887
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     692
_refine_ls_number_reflns         10752
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      0.887
_refine_ls_R_factor_all          0.0646
_refine_ls_R_factor_gt           0.0461
_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^)+(0.0174P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0724
_refine_ls_wR_factor_ref         0.0775
_reflns_number_gt                8470
_reflns_number_total             10752
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c0dt00280a.txt
_cod_data_source_block           09079
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Orthorhombic' changed to
'orthorhombic' according to
/home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary named
'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 1891 2012-01-12 08:04:46Z andrius 
;
_cod_original_sg_symbol_H-M      Pca2(1)
_cod_database_code               7026240