Anion specificity induced conformational changes in cresol-based tripodal podands controlled by weak interactions: structural and Hirshfeld surface analysis
Dey, Sandeep Kumar; Pramanik, Avijit; Das, Gopal; CrystEngComm 13 (2011) 1664–; doi:10.1039/c0ce00518e

data_7205415
_publ_section_title
;
 Anion specificity induced conformational changes in cresol-based
 tripodal podands controlled by weak interactions: structural and
 Hirshfeld surface analysis
;
_journal_issue                   5
_journal_name_full               CrystEngComm
_journal_page_first              1664
_journal_paper_doi               10.1039/c0ce00518e
_journal_volume                  13
_journal_year                    2011
_chemical_formula_sum            'C27 H33 N O3'
_chemical_formula_weight         419.54
_space_group_IT_number           161
_symmetry_space_group_name_Hall  'R 3 -2"c'
_symmetry_space_group_name_H-M   'R 3 c :H'
_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                 90.00
_cell_angle_gamma                120.00
_cell_formula_units_Z            6
_cell_length_a                   20.4711(17)
_cell_length_b                   20.4711(17)
_cell_length_c                   9.5827(14)
_cell_measurement_reflns_used    3599
_cell_measurement_temperature    298(2)
_cell_measurement_theta_max      22.95
_cell_measurement_theta_min      3.44
_cell_volume                     3477.8(7)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SMART'
_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      298(2)
_diffrn_measured_fraction_theta_full 0.990
_diffrn_measured_fraction_theta_max 0.990
_diffrn_measurement_device_type  '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  0.1102
_diffrn_reflns_av_sigmaI/netI    0.0533
_diffrn_reflns_limit_h_max       26
_diffrn_reflns_limit_h_min       -23
_diffrn_reflns_limit_k_max       27
_diffrn_reflns_limit_k_min       -24
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -12
_diffrn_reflns_number            13751
_diffrn_reflns_theta_full        28.46
_diffrn_reflns_theta_max         28.46
_diffrn_reflns_theta_min         1.99
_exptl_absorpt_coefficient_mu    0.077
_exptl_absorpt_correction_T_max  0.981
_exptl_absorpt_correction_T_min  0.977
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADAS (Sheldrick, 1997)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.202
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       rectangular
_exptl_crystal_F_000             1356
_exptl_crystal_size_max          0.34
_exptl_crystal_size_mid          0.29
_exptl_crystal_size_min          0.27
_refine_diff_density_max         0.143
_refine_diff_density_min         -0.176
_refine_diff_density_rms         0.039
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.043
_refine_ls_matrix_type           full
_refine_ls_number_parameters     95
_refine_ls_number_reflns         1907
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.043
_refine_ls_R_factor_all          0.0748
_refine_ls_R_factor_gt           0.0547
_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^)+(0.0650P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1220
_refine_ls_wR_factor_ref         0.1295
_reflns_number_gt                1278
_reflns_number_total             1907
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            C0CE00518E.TXT
_cod_data_source_block           p-cresol
_cod_database_code               7205415