Pyridine Directed Assembly of Tetra-O-Alkylp-Carboxylatocalix[4]arenes
Kennedy, Stuart; Beavers, Christine M.; Teat, Simon J.; Dalgarno, Scott J.; Crystal Growth & Design 12 (2012) 679–; doi:10.1021/cg2008864

data_4502759
_publ_section_title
;
 Pyridine Directed Assembly of Tetra-O-Alkylp-Carboxylatocalix[4]arenes
;
_journal_issue                   2
_journal_name_full               'Crystal Growth &amp; Design'
_journal_page_first              679
_journal_paper_doi               10.1021/cg2008864
_journal_volume                  12
_journal_year                    2012
_chemical_formula_sum            'C55 H55 N3 O12'
_chemical_formula_weight         950.02
_chemical_name_common            SRKRK36PY
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/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                 96.463(6)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   47.057(10)
_cell_length_b                   10.814(2)
_cell_length_c                   19.964(4)
_cell_measurement_temperature    100(2)
_cell_volume                     10095(3)
_computing_cell_refinement       'SAINT (Bruker, 1998)'
_computing_data_collection       'Apex II'
_computing_data_reduction        'SAINT (Bruker, 1998)'
_computing_molecular_graphics    'XSeed (Barbour, 2001)'
_computing_publication_material  'local program'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.994
_diffrn_measurement_device_type  'Bruker Apex II CCD Diffractometer'
_diffrn_measurement_method       '\w rotation with narrow frames'
_diffrn_radiation_monochromator  'silicon 111'
_diffrn_radiation_source         'Advanced Light Source station 11.3.1'
_diffrn_radiation_type           synchrotron
_diffrn_radiation_wavelength     0.77490
_diffrn_reflns_av_R_equivalents  0.1321
_diffrn_reflns_av_sigmaI/netI    0.1782
_diffrn_reflns_limit_h_max       46
_diffrn_reflns_limit_h_min       -46
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            18928
_diffrn_reflns_theta_full        20.88
_diffrn_reflns_theta_max         20.88
_diffrn_reflns_theta_min         2.05
_exptl_absorpt_coefficient_mu    0.088
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   Bruker-SADABS
_exptl_crystal_colour            Colourless
_exptl_crystal_density_diffrn    1.250
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Block
_exptl_crystal_F_000             4016
_exptl_crystal_size_max          0.1
_exptl_crystal_size_mid          0.2
_exptl_crystal_size_min          0.2
_refine_diff_density_max         1.509
_refine_diff_density_min         -0.350
_refine_diff_density_rms         0.103
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.968
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     635
_refine_ls_number_reflns         5298
_refine_ls_number_restraints     60
_refine_ls_restrained_S_all      0.968
_refine_ls_R_factor_all          0.1979
_refine_ls_R_factor_gt           0.1053
_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^)+(0.0921P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2881
_refine_ls_wR_factor_ref         0.3389
_reflns_number_gt                2324
_reflns_number_total             5298
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            cg2008864_si_002.cif
_cod_data_source_block           6Py
_cod_original_cell_volume        10095(4)
_cod_original_sg_symbol_H-M      C2/c
_cod_database_code               4502759