Pyrrolo[2,3-b]quinoxaline with 2-(2-aminoethyl)pyridine chain highly selective fluorescent receptor for Zn2+exhibiting a dual fluorescence and AIEE in crystalline state
Ostrowska, Katarzyna; Dudek, Łukasz; Grolik, Jarosław; Gryl, Marlena; Stadnicka, Katarzyna; CrystEngComm 17 (2015) 498–; doi:10.1039/C4CE01612B

data_7218716
_publ_section_title
;
 Pyrrolo[2,3-b]quinoxaline with 2-(2-aminoethyl)pyridine chain highly
 selective fluorescent receptor for Zn2+exhibiting a dual fluorescence and
 AIEE in crystalline state
;
_journal_issue                   3
_journal_name_full               CrystEngComm
_journal_page_first              498
_journal_paper_doi               10.1039/C4CE01612B
_journal_volume                  17
_journal_year                    2015
_chemical_formula_sum            'C30 H24.32 N5 O1.66'
_chemical_formula_weight         481.42
_chemical_melting_point_gt       444
_chemical_melting_point_lt       443
_chemical_name_systematic
;
 (E)-3-{[2-(2-aminoethyl)pyridine]-phenylmethylidene}-1,4-dihydro-2H-1-
  phenylpyrrolo[2,3-b]quinoxalin-2-one; non centrosymmetric structure 
  containing the molecules with (pR):(pS) configuration ratio = 0.828:0.172  
;
_space_group_IT_number           4
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'P 2yb'
_symmetry_space_group_name_H-M   'P 1 21 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                 98.7275(5)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   5.75094(3)
_cell_length_b                   17.80093(8)
_cell_length_c                   11.63481(6)
_cell_measurement_reflns_used    38908
_cell_measurement_temperature    119.9(2)
_cell_measurement_theta_max      76.7258
_cell_measurement_theta_min      3.8406
_cell_volume                     1177.288(10)
_computing_cell_refinement
;
CrysAlisPro, Agilent Technologies,
Version 1.171.36.20 (release 27-06-2012 CrysAlis171 .NET)
(compiled Jul 11 2012,15:38:31)
;
_computing_data_collection
;
CrysAlisPro, Agilent Technologies,
Version 1.171.36.20 (release 27-06-2012 CrysAlis171 .NET)
(compiled Jul 11 2012,15:38:31)
;
_computing_data_reduction
;
CrysAlisPro, Agilent Technologies,
Version 1.171.36.20 (release 27-06-2012 CrysAlis171 .NET)
(compiled Jul 11 2012,15:38:31)
;
_computing_molecular_graphics
;
ORTEP-3 for Windows (L. Farrugia, J. Appl. Cryst., 32 (1999) 837) 
and Mercury 2.3 (C. F. Macrae, P. R. Edgington, P. McCabe, E. Pidcock, 
G. P. Shields, R. Taylor, M. Towler, J. van de Streek, J. Appl. Cryst., 
39 (2006) 453)
;
_computing_publication_material
;
SHELXL-97 (M. Sheldrick, Acta Cryst. A64 (2008) 112)
;
_computing_structure_refinement
;
SHELXL-97 (M. Sheldrick, Acta Cryst. A64 (2008) 112)
;
_computing_structure_solution
; SIR92 (A. Altomare, G. Cascarano, 
C. Giacovazzo, A. Guagliardi, M. C. Burla, G. Polidori, M. Camalli, 
J. Appl. Cryst., 27 (1994) 435)
;
_diffrn_ambient_temperature      119.9(2)
_diffrn_detector_area_resol_mean 10.3756
_diffrn_measured_fraction_theta_full 0.993
_diffrn_measured_fraction_theta_max 0.993
_diffrn_measurement_device_type  'SuperNova, Dual, Cu at zero, Atlas'
_diffrn_radiation_monochromator  mirror
_diffrn_radiation_source         'SuperNova (Cu) X-ray Source'
_diffrn_radiation_type           'Cu K\a'
_diffrn_radiation_wavelength     1.54184
_diffrn_reflns_av_R_equivalents  0.0241
_diffrn_reflns_av_sigmaI/netI    0.0188
_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       -6
_diffrn_reflns_limit_k_max       22
_diffrn_reflns_limit_k_min       -22
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            46913
_diffrn_reflns_theta_full        76.93
_diffrn_reflns_theta_max         76.93
_diffrn_reflns_theta_min         8.10
_exptl_absorpt_coefficient_mu    0.694
_exptl_absorpt_correction_T_max  0.8737
_exptl_absorpt_correction_T_min  0.7933
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
 CrysAlisPro, Agilent Technologies,
 Version 1.171.36.20 (release 27-06-2012 CrysAlis171 .NET)
 (compiled Jul 11 2012,15:38:31)
 Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.358
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             505
_exptl_crystal_size_max          0.35
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.405
_refine_diff_density_min         -0.458
_refine_diff_density_rms         0.041
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.0(2)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.043
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     361
_refine_ls_number_reflns         4946
_refine_ls_number_restraints     8
_refine_ls_restrained_S_all      1.061
_refine_ls_R_factor_all          0.0366
_refine_ls_R_factor_gt           0.0366
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0568P)^2^+0.3667P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0949
_refine_ls_wR_factor_ref         0.0949
_reflns_number_gt                4941
_reflns_number_total             4946
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c4ce01612b2.cif
_cod_data_source_block           pS-2_pR-2
_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.

'_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 2827 2014-09-09 07:05:25Z andrius 

 Adding full bibliography for 7218714--7218716.cif.
;
_cod_original_cell_volume        1177.289(10)
_cod_original_sg_symbol_H-M      'P 2(1) '
_cod_database_code               7218716