New [4.4]Cyclophanes: Molecular Parallelograms, Triangles, Rhombuses, Pentagons, and Supramolecular Constructions
Niculina Bogdan; Eric Condamine; Loïc Toupet; Yvan Ramondenc; Elena Bogdan; Ion Grosu; Journal of Organic Chemistry 73 (2008) 5831–5838; doi:10.1021/jo8006489

data_4023572
_publ_section_title
;
 New [4.4]Cyclophanes: Molecular Parallelograms, Triangles,
 Rhombuses, Pentagons, and Supramolecular Constructions
;
_journal_name_full               'Journal of Organic Chemistry'
_journal_page_first              5831
_journal_page_last               5838
_journal_paper_doi               10.1021/jo8006489
_journal_volume                  73
_journal_year                    2008
_chemical_formula_sum            'C28 H32 O8'
_chemical_formula_weight         496.54
_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                98.568(8)
_cell_angle_beta                 89.637(10)
_cell_angle_gamma                92.129(10)
_cell_formula_units_Z            2
_cell_length_a                   5.9800(10)
_cell_length_b                   12.6440(10)
_cell_length_c                   16.5220(10)
_cell_measurement_temperature    120(1)
_cell_volume                     1234.5(2)
_computing_cell_refinement       'Bruker AXS, 2003'
_computing_data_collection       'Bruker AXS, 2003'
_computing_data_reduction        'Bruker AXS, 2003'
_computing_molecular_graphics    'PLATON_(Spek, 1998)'
_computing_publication_material  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SIR-97_(Altomare & al., 1998)'
_diffrn_ambient_temperature      293(2)
_diffrn_detector_area_resol_mean 19.24
_diffrn_measured_fraction_theta_full 0.923
_diffrn_measured_fraction_theta_max 0.923
_diffrn_measurement_device_type  X8-APEX
_diffrn_measurement_method       'Area detector scans (see text)'
_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  0.0193
_diffrn_reflns_av_sigmaI/netI    0.0189
_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       -7
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            14712
_diffrn_reflns_theta_full        27.00
_diffrn_reflns_theta_max         27.00
_diffrn_reflns_theta_min         3.26
_exptl_absorpt_coefficient_mu    0.098
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.336
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             528
_exptl_crystal_size_max          0.4
_exptl_crystal_size_mid          0.1
_exptl_crystal_size_min          0.05
_refine_diff_density_max         0.286
_refine_diff_density_min         -0.261
_refine_diff_density_rms         0.052
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.130
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     325
_refine_ls_number_reflns         4978
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.130
_refine_ls_R_factor_all          0.0504
_refine_ls_R_factor_gt           0.0432
_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^)+(0.1054P)^2^+0.0790P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1374
_refine_ls_wR_factor_ref         0.1513
_reflns_number_gt                4213
_reflns_number_total             4978
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jo8006489-File001.cif
_cod_data_source_block           nbm7f1
_cod_database_code               4023572