Diels-Alder Active-Template Synthesis of Rotaxanes and Metal-Ion-Switchable Molecular Shuttles
James D. Crowley; Kevin D. Hänni; David A. Leigh; Alexandra M. Z. Slawin; Journal of the American Chemical Society 132 (2010) 5309–5314; doi:10.1021/ja101029u

data_4102248
_publ_section_title
;
 Diels-Alder Active-Template Synthesis of Rotaxanes and
 Metal-Ion-Switchable Molecular Shuttles
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              5309
_journal_page_last               5314
_journal_paper_doi               10.1021/ja101029u
_journal_volume                  132
_journal_year                    2010
_chemical_formula_moiety         'C37.50 H46 Cl2 N2 O5 Zn'
_chemical_formula_sum            'C37.5 H46 Cl2 N2 O5 Zn'
_chemical_formula_weight         741.03
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_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                 105.704(6)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   18.1258(18)
_cell_length_b                   15.0266(14)
_cell_length_c                   14.6076(15)
_cell_measurement_reflns_used    13156
_cell_measurement_temperature    93(2)
_cell_measurement_theta_max      26.16
_cell_measurement_theta_min      1.75
_cell_volume                     3830.1(7)
_computing_cell_refinement       'CrystalClear (Rigaku Corp., 2004)'
_computing_data_collection       'CrystalClear (Rigaku Corp., 2004)'
_computing_data_reduction        'CrystalClear (Rigaku Corp., 2004)'
_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      93(2)
_diffrn_measured_fraction_theta_full 0.982
_diffrn_measured_fraction_theta_max 0.978
_diffrn_measurement_device_type  CCD
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  confocal
_diffrn_radiation_source         'rotating anode'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.1154
_diffrn_reflns_av_sigmaI/netI    0.0580
_diffrn_reflns_limit_h_max       21
_diffrn_reflns_limit_h_min       -21
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            32849
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.35
_diffrn_reflns_theta_min         1.79
_exptl_absorpt_coefficient_mu    0.823
_exptl_absorpt_correction_T_max  1.0000
_exptl_absorpt_correction_T_min  0.8488
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Jacobson, R. (1998) Private communication'
_exptl_crystal_colour            Colourless
_exptl_crystal_density_diffrn    1.285
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       platelet
_exptl_crystal_F_000             1556
_exptl_crystal_size_max          0.150
_exptl_crystal_size_mid          0.100
_exptl_crystal_size_min          0.030
_refine_diff_density_max         1.830
_refine_diff_density_min         -0.708
_refine_diff_density_rms         0.112
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.167
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     452
_refine_ls_number_reflns         6858
_refine_ls_number_restraints     29
_refine_ls_restrained_S_all      1.177
_refine_ls_R_factor_all          0.0978
_refine_ls_R_factor_gt           0.0880
_refine_ls_shift/su_max          0.015
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0839P)^2^+14.1410P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1971
_refine_ls_wR_factor_ref         0.2039
_reflns_number_gt                6123
_reflns_number_total             6858
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja101029u_si_004.cif
_cod_data_source_block           dled143
_cod_original_formula_sum        'C37.50 H46 Cl2 N2 O5 Zn'
_cod_database_code               4102248