Reactivity of multi-site bound allenylidene towards alkynes and silica gel †
Charmant, Jonathan P. H.; King, Philip J.; Quesada-Pato, Roberto; Sappa, Enrico; Schaefer, Carsten; Journal of the Chemical Society, Dalton Transactions  (2001) 46–; doi:10.1039/b006780f

data_7010195
_publ_section_title
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 Reactivity of multi-site bound allenylidene towards alkynes and silica
 gel&#x200A;&#x2020;
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_journal_issue                   1
_journal_name_full
'Journal of the Chemical Society, Dalton Transactions'
_journal_page_first              46
_journal_paper_doi               10.1039/b006780f
_journal_year                    2001
_chemical_formula_sum            'C41 H20 O12 Ru4'
_chemical_formula_weight         1108.85
_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                83.66(2)
_cell_angle_beta                 82.26(2)
_cell_angle_gamma                74.024(18)
_cell_formula_units_Z            2
_cell_length_a                   9.232(3)
_cell_length_b                   14.127(5)
_cell_length_c                   15.478(3)
_cell_measurement_reflns_used    355
_cell_measurement_temperature    173(2)
_cell_volume                     1917.3(10)
_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      173(2)
_diffrn_measured_fraction_theta_full 0.986
_diffrn_measured_fraction_theta_max 0.986
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       '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  0.0361
_diffrn_reflns_av_sigmaI/netI    0.0620
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            19421
_diffrn_reflns_theta_full        27.48
_diffrn_reflns_theta_max         27.48
_diffrn_reflns_theta_min         1.50
_diffrn_standards_decay_%        0
_exptl_absorpt_coefficient_mu    1.610
_exptl_absorpt_correction_T_max  0.647
_exptl_absorpt_correction_T_min  0.420
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
; 
 G. M. Sheldrick. 
 SADABS: A program for absorption correction with the Siemens SMART system; 
 University of G\"ottingen: Germany, 1996.
;
_exptl_crystal_colour            Colorless
_exptl_crystal_density_diffrn    1.921
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Plate
_exptl_crystal_F_000             1076
_exptl_crystal_size_max          0.5
_exptl_crystal_size_mid          0.4
_exptl_crystal_size_min          0.3
_refine_diff_density_max         0.852
_refine_diff_density_min         -0.748
_refine_diff_density_rms         0.100
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.826
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     514
_refine_ls_number_reflns         8649
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.826
_refine_ls_R_factor_all          0.0408
_refine_ls_R_factor_gt           0.0260
_refine_ls_shift/su_max          0.004
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0193P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0521
_refine_ls_wR_factor_ref         0.0546
_reflns_number_gt                6102
_reflns_number_total             8649
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b006780f.txt
_cod_data_source_block           6
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
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_enum 1527 2010-12-29 10:47:43Z saulius 
;
_cod_original_cell_volume        1917.1(9)
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               7010195