Solid-state structural studies of oxacalix[2]arene[2]naphthalene as a molecular tweezer
Kleyn, Anneli; Jacobs, Tia; Barbour, Leonard J.; CrystEngComm 13 (2011) 3175–; doi:10.1039/c0ce00536c

data_7205658
_publ_section_title
;
 Solid-state structural studies of oxacalix[2]arene[2]naphthalene as a
 molecular tweezer
;
_journal_issue                   9
_journal_name_full               CrystEngComm
_journal_page_first              3175
_journal_paper_doi               10.1039/c0ce00536c
_journal_volume                  13
_journal_year                    2011
_chemical_formula_moiety         'C74 H50 N10 O26'
_chemical_formula_sum            'C74 H50 N10 O26'
_chemical_formula_weight         1495.24
_space_group_IT_number           9
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'C -2yc'
_symmetry_space_group_name_H-M   'C 1 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                 110.508(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   12.2118(13)
_cell_length_b                   21.065(2)
_cell_length_c                   13.1639(15)
_cell_measurement_reflns_used    3167
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      24.96
_cell_measurement_theta_min      2.19
_cell_volume                     3171.7(6)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'X-Seed (Barbour,2001;Atwood&Barbour,2003)'
_computing_publication_material  'X-Seed (Barbour,2001;Atwood&Barbour,2003)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean 0
_diffrn_measured_fraction_theta_full 0.982
_diffrn_measured_fraction_theta_max 0.982
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_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    0.0465
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       27
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            6960
_diffrn_reflns_theta_full        27.54
_diffrn_reflns_theta_max         27.54
_diffrn_reflns_theta_min         1.93
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.121
_exptl_absorpt_correction_T_max  0.9940
_exptl_absorpt_correction_T_min  0.9785
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Bruker, 2002)'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.566
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       'hexagonal prism'
_exptl_crystal_F_000             1544
_exptl_crystal_size_max          0.18
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.05
_refine_diff_density_max         0.338
_refine_diff_density_min         -0.221
_refine_diff_density_rms         0.050
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.2(8)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.050
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     557
_refine_ls_number_reflns         6960
_refine_ls_number_restraints     18
_refine_ls_restrained_S_all      1.049
_refine_ls_R_factor_all          0.0605
_refine_ls_R_factor_gt           0.0462
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0399P)^2^+4.4879P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1005
_refine_ls_wR_factor_ref         0.1068
_reflns_number_gt                5933
_reflns_number_total             6960
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c0ce00536c.txt
_cod_data_source_block           1d
_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_enum 1555 2011-01-17 13:19:09Z saulius 
;
_cod_original_sg_symbol_Hall     'C-2yc '
_cod_original_sg_symbol_H-M      'Cc '
_cod_database_code               7205658