Influence of side-chains interactions on the self-assembly of discotic tricarboxyamides: A crystallographic insight
Paikar, Arpita; Pramanik, Apurba; HALDAR, DEBASISH; RSC Adv.  (2015) –; doi:10.1039/C5RA03864B

data_7220027
_publ_section_title
;
 Influence of side-chains interactions on the self-assembly of discotic
 tricarboxyamides: A crystallographic insight
;
_journal_name_full               'RSC Adv.'
_journal_paper_doi               10.1039/C5RA03864B
_journal_year                    2015
_chemical_formula_moiety         'C24 H33 N3 O9'
_chemical_formula_sum            'C24 H33 N3 O9'
_chemical_formula_weight         507.53
_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
_audit_update_record
;
2014-07-01 deposited with the CCDC.
2015-03-27 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 95.015(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   17.7791(4)
_cell_length_b                   6.97030(10)
_cell_length_c                   20.0532(5)
_cell_measurement_temperature    153(2)
_cell_volume                     2475.59(9)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      153(2)
_diffrn_measured_fraction_theta_full 0.989
_diffrn_measured_fraction_theta_max 0.989
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w 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  0.0466
_diffrn_reflns_av_sigmaI/netI    0.0609
_diffrn_reflns_limit_h_max       22
_diffrn_reflns_limit_h_min       -19
_diffrn_reflns_limit_k_max       8
_diffrn_reflns_limit_k_min       -8
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -25
_diffrn_reflns_number            12966
_diffrn_reflns_theta_full        27.00
_diffrn_reflns_theta_max         27.00
_diffrn_reflns_theta_min         2.94
_exptl_absorpt_coefficient_mu    0.105
_exptl_absorpt_correction_T_max  0.980
_exptl_absorpt_correction_T_min  0.974
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; BRUKER, 2008)'
_exptl_crystal_colour            white
_exptl_crystal_density_diffrn    1.362
_exptl_crystal_density_meas      1.362
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             1080
_exptl_crystal_size_max          0.421
_exptl_crystal_size_mid          0.210
_exptl_crystal_size_min          0.191
_refine_diff_density_max         0.182
_refine_diff_density_min         -0.561
_refine_diff_density_rms         0.080
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.026
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     328
_refine_ls_number_reflns         5333
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.026
_refine_ls_R_factor_all          0.0909
_refine_ls_R_factor_gt           0.0645
_refine_ls_shift/su_max          0.005
_refine_ls_shift/su_mean         0.002
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0975P)^2^+2.3623P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1696
_refine_ls_wR_factor_ref         0.1903
_reflns_number_gt                3837
_reflns_number_total             5333
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c5ra03864b2.cif
_cod_data_source_block           dh_ap_01
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to
/usr/data/users/saulius/crontab/automatic-downloads/rss-feeds/RSC/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 3105 2015-03-04 15:46:00Z robertas 
;
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               7220027