Metal-Templated Diyne Cyclodimerization and Cyclotrimerization
Maria Paz Martin-Redondo; Ludmila Scoles; Brian T. Sterenberg; Konstantin A. Udachin; Arthur J. Carty; Journal of the American Chemical Society 127 (2005) 5038–5039; doi:10.1021/ja050155c

data_4111619
_publ_contact_author_address
;
Steacie Institute for Molecular Sciences, National Research Council Canada, 
100 Sussex Drive, Ottawa, Ontario, Canada K1A 0R6
;
_publ_contact_author_email       acarty@pco-bcp.gc.ca
_publ_contact_author_name        'Arthur J. Carty'
_publ_section_title
;
 Metal-Templated Diyne Cyclodimerization and Cyclotrimerization
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              5038
_journal_page_last               5039
_journal_paper_doi               10.1021/ja050155c
_journal_volume                  127
_journal_year                    2005
_chemical_formula_sum            'C29.33 H22.67 Cl4.67 P2 Pt'
_chemical_formula_weight         797.60
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           167
_symmetry_cell_setting           trigonal
_symmetry_space_group_name_Hall  '-R 3 2"c'
_symmetry_space_group_name_H-M   'R -3 c :H'
_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                120.00
_cell_formula_units_Z            18
_cell_length_a                   18.3740(6)
_cell_length_b                   18.3740(6)
_cell_length_c                   55.729(3)
_cell_measurement_temperature    173(2)
_cell_volume                     16293.7(12)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71070
_diffrn_reflns_av_R_equivalents  0.0660
_diffrn_reflns_av_sigmaI/netI    0.0313
_diffrn_reflns_limit_h_max       25
_diffrn_reflns_limit_h_min       -25
_diffrn_reflns_limit_k_max       24
_diffrn_reflns_limit_k_min       -25
_diffrn_reflns_limit_l_max       77
_diffrn_reflns_limit_l_min       -77
_diffrn_reflns_number            65875
_diffrn_reflns_theta_full        29.60
_diffrn_reflns_theta_max         29.60
_diffrn_reflns_theta_min         1.47
_exptl_absorpt_coefficient_mu    4.323
_exptl_absorpt_correction_T_max  0.4785
_exptl_absorpt_correction_T_min  0.2767
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_density_diffrn    1.463
_exptl_crystal_F_000             6948
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.25
_exptl_crystal_size_min          0.20
_refine_diff_density_max         2.158
_refine_diff_density_min         -1.415
_refine_diff_density_rms         0.208
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.039
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     369
_refine_ls_number_reflns         5108
_refine_ls_number_restraints     138
_refine_ls_restrained_S_all      1.032
_refine_ls_R_factor_all          0.0834
_refine_ls_R_factor_gt           0.0493
_refine_ls_shift/su_max          0.009
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1152P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1471
_refine_ls_wR_factor_ref         0.1753
_reflns_number_gt                3397
_reflns_number_total             5108
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja050155csi20050228_041415.cif
_cod_data_source_block           bts43
_cod_original_cell_volume        16293.6(10)
_cod_original_sg_symbol_H-M      'R -3 c'
_cod_database_code               4111619