Synthesis, Structure, and Functionalization of Homo Heterocalix[2]arene[2]triazines: Versatile Conformation and Cavity Structures Regulated by the Bridging Elements
Yin Chen; De-Xian Wang; Zhi-Tang Huang; Mei-Xiang Wang; Journal of Organic Chemistry 75 (2010) 3786–3796; doi:10.1021/jo100571c

data_4025464
_publ_section_title
;
 Synthesis, Structure, and Functionalization of Homo
 Heterocalix[2]arene[2]triazines: Versatile Conformation and Cavity
 Structures Regulated by the Bridging Elements
;
_journal_name_full               'Journal of Organic Chemistry'
_journal_page_first              3786
_journal_page_last               3796
_journal_paper_doi               10.1021/jo100571c
_journal_volume                  75
_journal_year                    2010
_chemical_formula_sum            'C34 H44 N8 O4'
_chemical_formula_weight         628.77
_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                117.05(3)
_cell_angle_beta                 94.98(3)
_cell_angle_gamma                99.20(3)
_cell_formula_units_Z            1
_cell_length_a                   8.0502(16)
_cell_length_b                   10.501(2)
_cell_length_c                   11.409(2)
_cell_measurement_reflns_used    5131
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      25.00
_cell_measurement_theta_min      2.04
_cell_volume                     833.8(4)
_computing_cell_refinement       'Rapid Auto(Rigaku 2001)'
_computing_data_collection       'Rapid Auto(Rigaku 2001)'
_computing_data_reduction        'Rapid Auto(Rigaku 2001)'
_computing_molecular_graphics    'XP in Siemens SHELXTL (Sheldrick, 1994)'
_computing_publication_material  'SHELX97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Rigaku raxis Rapid IP Area Detector'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'rotating anode'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0739
_diffrn_reflns_av_sigmaI/netI    0.0790
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            5131
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         2.04
_exptl_absorpt_coefficient_mu    0.085
_exptl_absorpt_correction_T_max  0.9858
_exptl_absorpt_correction_T_min  0.9718
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.252
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             336
_exptl_crystal_size_max          0.34
_exptl_crystal_size_mid          0.31
_exptl_crystal_size_min          0.17
_refine_diff_density_max         0.387
_refine_diff_density_min         -0.382
_refine_diff_density_rms         0.097
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.173
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     208
_refine_ls_number_reflns         2938
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.173
_refine_ls_R_factor_all          0.1083
_refine_ls_R_factor_gt           0.0856
_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^)+(0.1262P)^2^+0.1389P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2196
_refine_ls_wR_factor_ref         0.2388
_reflns_number_gt                2357
_reflns_number_total             2938
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jo100571c_si_001_02.cif
_cod_data_source_block           22O22O
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
according to the built-in table from CIF Core dictionary named
'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1646 2011-03-28 12:23:43Z adriana 
;
_cod_original_cell_volume        833.8(3)
_cod_database_code               4025464