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_7205656
_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         'C32 H16 N4 O12, C3 H7 N O'
_chemical_formula_sum            'C35 H23 N5 O13'
_chemical_formula_weight         721.58
_chemical_name_common            DMF
_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                 110.586(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   11.982(3)
_cell_length_b                   21.272(6)
_cell_length_c                   12.948(3)
_cell_measurement_reflns_used    4457
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      25.24
_cell_measurement_theta_min      2.21
_cell_volume                     3089.5(14)
_computing_cell_refinement       'SMART (Bruker, 2003)'
_computing_data_collection       'SMART (Bruker, 2002)'
_computing_data_reduction        SAINT
_computing_molecular_graphics    '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_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.931
_diffrn_measurement_device_type  'Bruker APEX CCD area detector'
_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    0.0384
_diffrn_reflns_limit_h_max       14
_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       0
_diffrn_reflns_number            3516
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         28.05
_diffrn_reflns_theta_min         2.05
_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  0.9797
_exptl_absorpt_correction_T_min  0.9773
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Bruker, 2002'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.551
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       sphere
_exptl_crystal_F_000             1488
_exptl_crystal_size_max          0.19
_exptl_crystal_size_mid          0.18
_exptl_crystal_size_min          0.17
_refine_diff_density_max         0.268
_refine_diff_density_min         -0.226
_refine_diff_density_rms         0.052
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.7(11)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.051
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     503
_refine_ls_number_reflns         3521
_refine_ls_number_restraints     4
_refine_ls_restrained_S_all      1.050
_refine_ls_R_factor_all          0.0456
_refine_ls_R_factor_gt           0.0392
_refine_ls_shift/su_max          1.513
_refine_ls_shift/su_mean         0.003
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0725P)^2^+0.5436P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1050
_refine_ls_wR_factor_ref         0.1094
_reflns_number_gt                3521
_reflns_number_total             3233
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c0ce00536c.txt
_cod_data_source_block           1b.CIF
_cod_depositor_comments
;
The following automatic conversions were performed:

'_exptl_crystal_density_meas' value 'not measured' was changed to '?'
- the value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 3008 2015-01-20 13:52:24Z robertas 
;
_cod_original_cell_volume        3089.6(14)
_cod_original_sg_symbol_Hall     C-2yc
_cod_original_sg_symbol_H-M      Cc
_cod_database_code               7205656