Polymorphism in an 18-membered macrocycle: an energetic and topological approach to understand the supramolecular structure
Martins, Marcos A. P.; Hörner, Manfredo; Beck, Johannes; Tier, Aniele Z.; Belladona, Andrei L.; Meyer, Alexandre R.; Zanatta, Nilo; Bonacorso, Helio G.; Frizzo, Clarissa P.; CrystEngComm 18 (2016) 3866–; doi:10.1039/C5CE02123E

data_7224988
_publ_section_title
;
 Polymorphism in an 18-membered macrocycle: an energetic and topological
 approach to understand the supramolecular structure
;
_journal_issue                   21
_journal_name_full               CrystEngComm
_journal_page_first              3866
_journal_paper_doi               10.1039/C5CE02123E
_journal_volume                  18
_journal_year                    2016
_chemical_formula_moiety         'C28 H18 N6'
_chemical_formula_sum            'C28 H18 N6'
_chemical_formula_weight         438.48
_space_group_IT_number           148
_space_group_name_Hall           '-R 3'
_symmetry_cell_setting           trigonal
_symmetry_space_group_name_Hall  '-R 3'
_symmetry_space_group_name_H-M   'R -3 :H'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_audit_update_record
;
2015-10-21 deposited with the CCDC.
2016-04-21 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                120.00
_cell_formula_units_Z            9
_cell_length_a                   31.5821(12)
_cell_length_b                   31.5821(12)
_cell_length_c                   5.8362(5)
_cell_measurement_reflns_used    930
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      17.72
_cell_measurement_theta_min      3.41
_cell_volume                     5041.3(5)
_computing_cell_refinement       'SAINT v8.34A (Bruker, 2014)'
_computing_data_collection
'Bruker Instrument Service v2011.12.3.0 (Bruker 2011)'
_computing_data_reduction        'SAINT v8.34A (Bruker, 2014)'
_computing_molecular_graphics    'Diamond 3.2i (Crystal Impact, 2014)'
_computing_publication_material  'APEX2 (version 2014.9-0; Bruker, 2014)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997)'
_computing_structure_solution    'SIR2004 (Burla, M. C.et al., 2005)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_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  0.0814
_diffrn_reflns_av_sigmaI/netI    0.0824
_diffrn_reflns_limit_h_max       38
_diffrn_reflns_limit_h_min       -38
_diffrn_reflns_limit_k_max       38
_diffrn_reflns_limit_k_min       -38
_diffrn_reflns_limit_l_max       7
_diffrn_reflns_limit_l_min       -7
_diffrn_reflns_number            23120
_diffrn_reflns_theta_full        25.50
_diffrn_reflns_theta_max         25.50
_diffrn_reflns_theta_min         2.58
_exptl_absorpt_coefficient_mu    0.080
_exptl_absorpt_correction_T_max  0.9960
_exptl_absorpt_correction_T_min  0.9548
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            translucent
_exptl_crystal_density_diffrn    1.300
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             2052
_exptl_crystal_size_max          0.58
_exptl_crystal_size_mid          0.05
_exptl_crystal_size_min          0.05
_refine_diff_density_max         0.307
_refine_diff_density_min         -0.132
_refine_diff_density_rms         0.030
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.713
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     190
_refine_ls_number_reflns         2071
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      0.719
_refine_ls_R_factor_all          0.1191
_refine_ls_R_factor_gt           0.0411
_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^)+(0.0592P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0906
_refine_ls_wR_factor_ref         0.1006
_reflns_number_gt                809
_reflns_number_total             2071
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c5ce02123e2.cif
_cod_data_source_block           r-3
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Trigonal' changed to 'trigonal'
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 4268 2015-11-12 08:31:59Z antanas 

 Adding full bibliography for 7224988--7224989.cif.
;
_cod_original_sg_symbol_H-M      R-3:h
_cod_database_code               7224988