Molecular rotors: design, synthesis, structural analysis, and silver complex of new [7.7]cyclophanes.
Bogdan, Niculina; Grosu, Ion; Benoît, Guillaume; Toupet, Loïc; Ramondenc, Yvan; Condamine, Eric; Silaghi-Dumitrescu, Ioan; Plé, Gérard; Organic letters 8 (2006) 2619–2622; doi:10.1021/ol0610845

data_1506076
_publ_section_title
;
 Molecular rotors: design, synthesis, structural analysis, and silver
 complex of new [7.7]cyclophanes.
;
_journal_issue                   12
_journal_name_full               'Organic letters'
_journal_page_first              2619
_journal_page_last               2622
_journal_paper_doi               10.1021/ol0610845
_journal_volume                  8
_journal_year                    2006
_chemical_formula_sum            'C58 H72 N2 O17'
_chemical_formula_weight         1069.17
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 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                 110.4520(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   18.5086(4)
_cell_length_b                   28.6914(6)
_cell_length_c                   22.5474(5)
_cell_measurement_temperature    120(1)
_cell_volume                     11218.8(4)
_computing_cell_refinement       'HKL Scalepack (Otwinowski & Minor 1997)'
_computing_data_collection       'Nonius (1999)'
_computing_data_reduction
'HKL Denzo and Scalepack (Otwinowski & Minor 1997)'
_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 0.995
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device_type  Nonius_KappaCCD
_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  0.0000
_diffrn_reflns_av_sigmaI/netI    0.0702
_diffrn_reflns_limit_h_max       22
_diffrn_reflns_limit_h_min       0
_diffrn_reflns_limit_k_max       35
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       26
_diffrn_reflns_limit_l_min       -27
_diffrn_reflns_number            21928
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         26.00
_diffrn_reflns_theta_min         2.34
_exptl_absorpt_coefficient_mu    0.093
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.266
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prosm
_exptl_crystal_F_000             4560
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.997
_refine_diff_density_min         -0.410
_refine_diff_density_rms         0.065
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.088
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     1387
_refine_ls_number_reflns         21928
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.088
_refine_ls_R_factor_all          0.1528
_refine_ls_R_factor_gt           0.0795
_refine_ls_shift/su_max          0.008
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0776P)^2^+15.0472P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1749
_refine_ls_wR_factor_ref         0.2292
_reflns_number_gt                12152
_reflns_number_total             21928
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ol0610845si20060503_040915.cif
_cod_data_source_block           nbg1bis
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_sg_symbol_H-M      P21/n
_cod_database_code               1506076