Taco complex templated syntheses of a cryptand/paraquat [2]rotaxane and a [2]catenane by olefin metathesis.
Li, Shijun; Liu, Ming; Zheng, Bo; Zhu, Kelong; Wang, Feng; Li, Ning; Zhao, Xiao-Li; Huang, Feihe; Organic letters 11 (2009) 3350–3353; doi:10.1021/ol9012052

data_1504034
_publ_section_title
;
 Taco complex templated syntheses of a cryptand/paraquat [2]rotaxane and a
 [2]catenane by olefin metathesis.
;
_journal_issue                   15
_journal_name_full               'Organic letters'
_journal_page_first              3350
_journal_page_last               3353
_journal_paper_doi               10.1021/ol9012052
_journal_volume                  11
_journal_year                    2009
_chemical_formula_sum            'C36 H52 O12'
_chemical_formula_weight         676.79
_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                113.4510(10)
_cell_angle_beta                 94.5990(10)
_cell_angle_gamma                97.8820(10)
_cell_formula_units_Z            2
_cell_length_a                   7.0217(2)
_cell_length_b                   11.5023(4)
_cell_length_c                   12.3086(4)
_cell_measurement_temperature    173(2)
_cell_volume                     893.40(5)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.992
_diffrn_measured_fraction_theta_max 0.992
_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  0.0146
_diffrn_reflns_av_sigmaI/netI    0.0140
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            10340
_diffrn_reflns_theta_full        25.01
_diffrn_reflns_theta_max         25.01
_diffrn_reflns_theta_min         1.82
_exptl_absorpt_coefficient_mu    0.094
_exptl_absorpt_correction_T_max  1
_exptl_absorpt_correction_T_min  0.872209
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.258
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             364
_exptl_crystal_size_max          0.652
_exptl_crystal_size_mid          0.426
_exptl_crystal_size_min          0.229
_refine_diff_density_max         0.167
_refine_diff_density_min         -0.196
_refine_diff_density_rms         0.036
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.052
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     229
_refine_ls_number_reflns         3124
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.052
_refine_ls_R_factor_all          0.0360
_refine_ls_R_factor_gt           0.0338
_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^)+(0.0463P)^2^+0.2819P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0908
_refine_ls_wR_factor_ref         0.0932
_reflns_number_gt                2897
_reflns_number_total             3124
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ol9012052_si_001.cif
_cod_data_source_block           1
_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 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               1504034