Extended and contorted conformations of alkanediammonium ions in symmetrical α,α',δ,δ'-tetramethylcucurbit[6]uril cavity.
Yang, Bo; Zheng, Li-Mei; Gao, Zhong-Zheng; Xiao, Xin; Zhu, Qian-Jiang; Xue, Sai-Feng; Tao, Zhu; Liu, Jing-Xin; Wei, Gang; The Journal of organic chemistry 79 (2014) 11194–11198; doi:10.1021/jo502255x

data_4030141
_publ_section_title
;
 Extended and contorted conformations of alkanediammonium ions in
 symmetrical \a,\a',\d,\d'-tetramethylcucurbit[6]uril cavity.
;
_journal_issue                   22
_journal_name_full               'The Journal of organic chemistry'
_journal_page_first              11194
_journal_page_last               11198
_journal_paper_doi               10.1021/jo502255x
_journal_volume                  79
_journal_year                    2014
_chemical_formula_sum            'C48 H86 N28 O28'
_chemical_formula_weight         1503.45
_chemical_name_systematic
; 
 ? 
;
_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                104.345(5)
_cell_angle_beta                 97.559(5)
_cell_angle_gamma                93.494(5)
_cell_formula_units_Z            2
_cell_length_a                   12.3509(18)
_cell_length_b                   12.4048(19)
_cell_length_c                   21.735(3)
_cell_measurement_reflns_used    6892
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      26.01
_cell_measurement_theta_min      0.00
_cell_volume                     3183.0(8)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_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      293(2)
_diffrn_measured_fraction_theta_full 0.969
_diffrn_measured_fraction_theta_max 0.969
_diffrn_measurement_device_type  'Bruker Smart Apex CCD area detector'
_diffrn_measurement_method       'phi and omega 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  0.0374
_diffrn_reflns_av_sigmaI/netI    0.0420
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       26
_diffrn_reflns_limit_l_min       -26
_diffrn_reflns_number            35911
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         26.00
_diffrn_reflns_theta_min         0.98
_diffrn_standards_decay_%        none
_exptl_absorpt_coefficient_mu    0.130
_exptl_absorpt_correction_T_max  0.9683
_exptl_absorpt_correction_T_min  0.9609
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS; Bruker, 2000'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.569
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1588
_exptl_crystal_size_max          0.31
_exptl_crystal_size_mid          0.27
_exptl_crystal_size_min          0.25
_refine_diff_density_max         0.512
_refine_diff_density_min         -0.420
_refine_diff_density_rms         0.066
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.022
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     937
_refine_ls_number_reflns         12126
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.022
_refine_ls_R_factor_all          0.0972
_refine_ls_R_factor_gt           0.0620
_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^)+(0.1191P)^2^+1.4981P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1802
_refine_ls_wR_factor_ref         0.2163
_reflns_number_gt                7725
_reflns_number_total             12126
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jo502255x_si_005.cif
_cod_data_source_block           TMeQ[6]+C8
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
according to
/home/saulius/struct/COD-crude-data--automatic-downloads/rss-feeds/ACS/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from
2011-04-26.

'_exptl_absorpt_correction_type' value 'multi scan'
changed to 'multi-scan' according to
/home/saulius/struct/COD-crude-data--automatic-downloads/rss-feeds/ACS/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 2827 2014-09-09 07:05:25Z andrius 

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 

 Adding full bibliography for 4030138--4030142.cif.
;
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               4030141