A subtle interplay of C‒H hydrogen bonds in complexation of anions of varied dimensionality by a nitro functionalized tripodal podand
Dey, Sandeep Kumar; Ojha, Bimlesh; Das, Gopal; CrystEngComm 13 (2011) 269–; doi:10.1039/c0ce00316f

data_7205278
_publ_section_title
;
 A subtle interplay of C--H hydrogen bonds in complexation of anions of
 varied dimensionality by a nitro functionalized tripodal podand
;
_journal_issue                   1
_journal_name_full               CrystEngComm
_journal_page_first              269
_journal_paper_doi               10.1039/c0ce00316f
_journal_volume                  13
_journal_year                    2011
_chemical_formula_moiety         'C24 H25 N4 O9, N O3'
_chemical_formula_sum            'C24 H25 N5 O12'
_chemical_formula_weight         575.49
_chemical_name_systematic
;
?
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 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                 101.073(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   15.2304(7)
_cell_length_b                   8.9608(4)
_cell_length_c                   20.0560(10)
_cell_measurement_reflns_used    1497
_cell_measurement_temperature    298(2)
_cell_measurement_theta_max      16.22
_cell_measurement_theta_min      3.07
_cell_volume                     2686.2(2)
_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      298(2)
_diffrn_measured_fraction_theta_full 0.982
_diffrn_measured_fraction_theta_max 0.982
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and onega 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  0.0733
_diffrn_reflns_av_sigmaI/netI    0.1735
_diffrn_reflns_limit_h_max       20
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            22545
_diffrn_reflns_theta_full        28.28
_diffrn_reflns_theta_max         28.27
_diffrn_reflns_theta_min         1.54
_exptl_absorpt_coefficient_mu    0.116
_exptl_absorpt_correction_T_max  0.978
_exptl_absorpt_correction_T_min  0.964
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Sheldrick, 1997)'
_exptl_crystal_colour            Yellow
_exptl_crystal_density_diffrn    1.421
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       recetangular
_exptl_crystal_F_000             1200
_exptl_crystal_size_max          0.35
_exptl_crystal_size_mid          0.27
_exptl_crystal_size_min          0.19
_refine_diff_density_max         0.253
_refine_diff_density_min         -0.153
_refine_diff_density_rms         0.038
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.018
_refine_ls_matrix_type           full
_refine_ls_number_parameters     375
_refine_ls_number_reflns         6027
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.018
_refine_ls_R_factor_all          0.2770
_refine_ls_R_factor_gt           0.0611
_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^)+(0.0250P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0874
_refine_ls_wR_factor_ref         0.1162
_reflns_number_gt                6185
_reflns_number_total             6659
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            C0CE00316F.TXT
_cod_data_source_block           nitro-HNO3
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to '/home/saulius/struct/CIF-dictionaries/cif_core.dic'
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_enum 1555 2011-01-17 13:19:09Z saulius 
;
_cod_original_sg_symbol_H-M      P2(1)/n
_cod_original_formula_sum        'C24 H25 N5 O12 '
_cod_database_code               7205278