Steric group enforced aromatic cyclic trimer conformer in tripodal molecules
Shankar, Deval sathiyashivan; Shankar, Bhaskaran; Rajakannu, Palanisamy; Vishnoi, Pratap; Masram, Dhanraj T.; Malaichamy, Sathiyendiran; RSC Adv.  (2015) –; doi:10.1039/C5RA05151G

data_7221902
_publ_section_title
;
 Steric group enforced aromatic cyclic trimer conformer in tripodal
 molecules
;
_journal_name_full               'RSC Adv.'
_journal_paper_doi               10.1039/C5RA05151G
_journal_year                    2015
_chemical_formula_moiety         'C48 H42 N6 O3'
_chemical_formula_sum            'C48 H42 N6 O3'
_chemical_formula_weight         750.87
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2014/7
_audit_update_record
;
2015-08-20 deposited with the CCDC.
2015-08-25 downloaded from the CCDC.
;
_cell_angle_alpha                65.252(13)
_cell_angle_beta                 69.867(14)
_cell_angle_gamma                79.935(17)
_cell_formula_units_Z            2
_cell_length_a                   11.134(3)
_cell_length_b                   14.065(3)
_cell_length_c                   16.033(3)
_cell_measurement_reflns_used    2983
_cell_measurement_temperature    120(2)
_cell_measurement_theta_max      25.0
_cell_measurement_theta_min      2.6
_cell_volume                     2139.5(9)
_computing_cell_refinement       'CrystalClear-SM Expert 2.0 r4'
_computing_data_collection       'CrystalClear-SM Expert 2.0 r4 (Rigaku, 2009)'
_computing_data_reduction        'CrystalClear-SM Expert 2.0 r4'
_computing_molecular_graphics    'CrystalStructure 4.0 (Rigaku, 2010)'
_computing_publication_material  'CrystalStructure 4.0'
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_computing_structure_solution    'SHELXL-2014/7 (Sheldrick, 2014)'
_diffrn_ambient_temperature      120(2)
_diffrn_measured_fraction_theta_full 0.988
_diffrn_measured_fraction_theta_max 0.988
_diffrn_measurement_device_type  'Rigaku Saturn724+ (2x2 bin mode)'
_diffrn_measurement_method       'profile data from \w-scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71075
_diffrn_reflns_av_R_equivalents  0.0301
_diffrn_reflns_av_unetI/netI     0.0432
_diffrn_reflns_Laue_measured_fraction_full 0.988
_diffrn_reflns_Laue_measured_fraction_max 0.988
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            16232
_diffrn_reflns_point_group_measured_fraction_full 0.988
_diffrn_reflns_point_group_measured_fraction_max 0.988
_diffrn_reflns_theta_full        25.023
_diffrn_reflns_theta_max         25.023
_diffrn_reflns_theta_min         2.475
_diffrn_source                   'Sealed Tube'
_exptl_absorpt_coefficient_mu    0.074
_exptl_absorpt_correction_T_max  1.000
_exptl_absorpt_correction_T_min  0.770
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'NUMABS (Rigaku, 1999)'
_exptl_crystal_colour            'pale yellow'
_exptl_crystal_density_diffrn    1.166
_exptl_crystal_description       prism
_exptl_crystal_F_000             792
_exptl_crystal_size_max          0.300
_exptl_crystal_size_mid          0.200
_exptl_crystal_size_min          0.120
_refine_diff_density_max         0.269
_refine_diff_density_min         -0.233
_refine_diff_density_rms         0.061
_refine_ls_extinction_coef       0.013(2)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     'SHELXL-2014/7 (Sheldrick 2014'
_refine_ls_goodness_of_fit_ref   1.112
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     561
_refine_ls_number_reflns         7463
_refine_ls_number_restraints     182
_refine_ls_restrained_S_all      1.103
_refine_ls_R_factor_all          0.0890
_refine_ls_R_factor_gt           0.0778
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0960P)^2^+1.2692P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2045
_refine_ls_wR_factor_ref         0.2137
_reflns_Friedel_coverage         0.000
_reflns_number_gt                6301
_reflns_number_total             7463
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c5ra05151g2.cif
_cod_data_source_block           compound1
_cod_depositor_comments
;
The following automatic conversions were performed:

'_exptl_absorpt_correction_type' value 'Multi-scan' changed to
'multi-scan' 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 3271 2015-04-21 07:52:19Z andrius 
;
_cod_database_code               7221902
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_min   0.978
_shelx_estimated_absorpt_t_max   0.991
_shelx_res_checksum              74559