Oligometallic Template Strategy for Ring-Closing Olefin Metathesis: Highly Cis- and Trans-Selective Synthesis of a 32-Membered Macrocyclic Tetraoxime
Akine, Shigehisa; Kagiyama, Satoko; Nabeshima, Tatsuya; Inorganic Chemistry 46 (2007) 9525–9527; doi:10.1021/ic701585x

data_4333477
_publ_section_title
;
 Oligometallic Template Strategy for Ring-Closing Olefin
 Metathesis:&#x00A0; Highly Cis- and Trans-Selective Synthesis of a
 32-Membered Macrocyclic Tetraoxime
;
_journal_issue                   23
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              9525
_journal_page_last               9527
_journal_paper_doi               10.1021/ic701585x
_journal_volume                  46
_journal_year                    2007
_chemical_formula_moiety         C36.50H38CaCl1.50N4O14.75Zn2
_chemical_formula_sum            'C36.5 H38 Ca Cl1.5 N4 O14.75 Zn2'
_chemical_formula_weight         992.70
_chemical_name_common            '[LZn2Ca(OAc)2](CHCl3)0.5(H2O)0.75'
_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                84.018(10)
_cell_angle_beta                 81.632(10)
_cell_angle_gamma                73.877(11)
_cell_formula_units_Z            4
_cell_length_a                   13.791(3)
_cell_length_b                   15.788(4)
_cell_length_c                   20.439(4)
_cell_measurement_reflns_used    40444
_cell_measurement_temperature    120
_cell_measurement_theta_max      27.00
_cell_measurement_theta_min      3.00
_cell_volume                     4220.1(17)
_computing_cell_refinement       'Rapid AUTO (Rigaku Corp.)'
_computing_data_collection       'Rapid AUTO (Rigaku Corp.)'
_computing_data_reduction        'Rapid AUTO (Rigaku Corp.)'
_computing_molecular_graphics    ORTEP-3
_computing_publication_material  ORTEP-3
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'DIRDIF99 (Beurskens et al., 1999)'
_diffrn_ambient_temperature      120
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'Rigaku R-AXIS Rapid'
_diffrn_measurement_method       IP
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71069
_diffrn_reflns_av_R_equivalents  0.0676
_diffrn_reflns_av_sigmaI/netI    0.0925
_diffrn_reflns_limit_h_max       17
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       20
_diffrn_reflns_limit_k_min       -20
_diffrn_reflns_limit_l_max       26
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            40444
_diffrn_reflns_theta_full        27.00
_diffrn_reflns_theta_max         27.00
_diffrn_reflns_theta_min         3.00
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    1.424
_exptl_absorpt_correction_T_max  0.7637
_exptl_absorpt_correction_T_min  0.7172
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Rapid AUTO (Rigaku Corp.)'
_exptl_crystal_colour            orange
_exptl_crystal_density_diffrn    1.562
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prismatic
_exptl_crystal_F_000             2034
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.25
_exptl_crystal_size_min          0.20
_refine_diff_density_max         1.102
_refine_diff_density_min         -0.788
_refine_diff_density_rms         0.115
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.030
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     1164
_refine_ls_number_reflns         18349
_refine_ls_number_restraints     30
_refine_ls_restrained_S_all      1.030
_refine_ls_R_factor_all          0.0981
_refine_ls_R_factor_gt           0.0632
_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^)+(0.0833P)^2^+6.2801P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1567
_refine_ls_wR_factor_ref         0.1809
_reflns_number_gt                12642
_reflns_number_total             18349
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic701585xsup1.cif
_cod_data_source_block           LZn2Ca
_cod_original_sg_symbol_H-M      P-1
_cod_original_formula_sum        'C36.50 H38 Ca Cl1.50 N4 O14.75 Zn2'
_cod_database_code               4333477