Controlled self-assembly of π-stacked/H-bonded 1D crystal structures from polyfluorinated arylamines and 18-crown-6 (2 : 1). Associatevs.co-former fluorescence properties
Vaganova, Tamara A.; Gatilov, Yurij V.; Pishchur, Denis P.; Chuikov, Igor P.; Malykhin, Evgenij V.; CrystEngComm 20 (2018) 807–; doi:10.1039/C7CE01851G

data_7229854
_publ_section_title
;
 Controlled self-assembly of \p-stacked/H-bonded 1D crystal structures
 from polyfluorinated arylamines and 18-crown-6 (2&#x2009;:&#x2009;1).
 Associatevs.co-former fluorescence properties
;
_journal_issue                   6
_journal_name_full               CrystEngComm
_journal_page_first              807
_journal_paper_doi               10.1039/C7CE01851G
_journal_volume                  20
_journal_year                    2018
_chemical_formula_moiety         'C5 H2 F4 N2'
_chemical_formula_sum            'C5 H2 F4 N2'
_chemical_formula_weight         166.09
_chemical_melting_point          358
_chemical_name_systematic
; 
 4-aminotetrafluoropyridine  
;
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_audit_update_record
;
2017-10-19 deposited with the CCDC.
2018-01-03 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 94.767(6)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   6.1047(7)
_cell_length_b                   13.2859(11)
_cell_length_c                   7.4684(9)
_cell_measurement_reflns_used    4322
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      29.06
_cell_measurement_theta_min      2.74
_cell_volume                     603.64(11)
_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      296(2)
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_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  0.0406
_diffrn_reflns_av_sigmaI/netI    0.0239
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       10
_diffrn_reflns_limit_l_min       -10
_diffrn_reflns_number            9333
_diffrn_reflns_theta_full        29.10
_diffrn_reflns_theta_max         29.10
_diffrn_reflns_theta_min         3.07
_exptl_absorpt_coefficient_mu    0.201
_exptl_absorpt_correction_T_max  0.9422
_exptl_absorpt_correction_T_min  0.8903
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS-2008/1
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.828
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             328
_exptl_crystal_recrystallization_method
'Re-crystallisation from solvent: acetone'
_exptl_crystal_size_max          0.56
_exptl_crystal_size_mid          0.28
_exptl_crystal_size_min          0.21
_refine_diff_density_max         0.311
_refine_diff_density_min         -0.172
_refine_diff_density_rms         0.043
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.997
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     108
_refine_ls_number_reflns         1612
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.997
_refine_ls_R_factor_all          0.0520
_refine_ls_R_factor_gt           0.0416
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1258P)^2^+0.0348P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1498
_refine_ls_wR_factor_ref         0.1678
_reflns_number_gt                1264
_reflns_number_total             1612
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c7ce01851g2.cif
_cod_data_source_block           F-m22k
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to
/home/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 4973 2017-02-22 13:04:09Z antanas 

 Adding full bibliography for 7229852--7229857.cif.
;
_cod_original_sg_symbol_H-M      'P2(1)/c  '
_cod_database_code               7229854