Packing-induced solid-state fluorescence and thermochromic behavior of peptidic luminophores
Pramanik, Apurba; Haldar, Debasish; RSC Adv. 7 (2017) 389–; doi:10.1039/C6RA24799G

data_7227328
_publ_section_title
;
 Packing-induced solid-state fluorescence and thermochromic behavior of
 peptidic luminophores
;
_journal_issue                   1
_journal_name_full               'RSC Adv.'
_journal_page_first              389
_journal_paper_doi               10.1039/C6RA24799G
_journal_volume                  7
_journal_year                    2017
_chemical_formula_moiety         'C11 H7 N O6'
_chemical_formula_sum            'C11 H7 N O6'
_chemical_formula_weight         249.18
_space_group_crystal_system      monoclinic
_space_group_IT_number           15
_space_group_name_Hall           '-I 2ya'
_space_group_name_H-M_alt        'I 1 2/a 1'
_symmetry_space_group_name_Hall  '-I 2ya'
_symmetry_space_group_name_H-M   'I 1 2/a 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_audit_creation_date             2016-08-04
_audit_creation_method
;
Olex2 1.2
(compiled 2016.02.19 svn.r3266 for OlexSys, GUI svn.r5155)
;
_audit_update_record
;
2016-09-20 deposited with the CCDC.
2016-10-26 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 99.660(9)
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   20.178(2)
_cell_length_b                   4.0966(4)
_cell_length_c                   25.538(2)
_cell_measurement_reflns_used    1243
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      25.8440
_cell_measurement_theta_min      2.8040
_cell_volume                     2081.1(3)
_computing_cell_refinement       'CrysAlisPro 1.171.38.41 (Rigaku OD, 2015)'
_computing_data_collection       'CrysAlisPro 1.171.38.41 (Rigaku OD, 2015)'
_computing_data_reduction        'CrysAlisPro 1.171.38.41 (Rigaku OD, 2015)'
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'ShelXL (Sheldrick, 2015)'
_computing_structure_solution    'ShelXS (Sheldrick, 2008)'
_diffrn_ambient_temperature      293(2)
_diffrn_detector                 'CCD plate'
_diffrn_detector_area_resol_mean 7.9580
_diffrn_detector_type            Eos
_diffrn_measured_fraction_theta_full 0.993
_diffrn_measured_fraction_theta_max 0.879
_diffrn_measurement_details
;
List of Runs (angles in degrees, time in seconds):

  # Type    Start    End  Width  t~exp~   \w     \q     \k     \f   Frames
  1  \w    -10.00  66.00   1.00   87.50    --   25.37  57.00 -30.00   76
  2  \w    -49.00  63.00   1.00   87.50    --   25.37 -57.00 150.00  112
  3  \w     -7.00  61.00   1.00   87.50    --   25.37 -57.00  30.00   68
;
_diffrn_measurement_device       'four-circle diffractometer'
_diffrn_measurement_device_type  'SuperNova, Dual, Cu at zero, Eos'
_diffrn_measurement_method       '\w scans'
_diffrn_orient_matrix_type
'CrysAlisPro convention (1999,Acta A55,543-557)'
_diffrn_orient_matrix_UB_11      0.0187459000
_diffrn_orient_matrix_UB_12      -0.0215063000
_diffrn_orient_matrix_UB_13      -0.0208881000
_diffrn_orient_matrix_UB_21      0.0247742000
_diffrn_orient_matrix_UB_22      -0.0878158000
_diffrn_orient_matrix_UB_23      0.0174323000
_diffrn_orient_matrix_UB_31      -0.0174479000
_diffrn_orient_matrix_UB_32      -0.1478105000
_diffrn_orient_matrix_UB_33      -0.0073413000
_diffrn_radiation_monochromator  mirror
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0253
_diffrn_reflns_av_unetI/netI     0.0371
_diffrn_reflns_Laue_measured_fraction_full 0.993
_diffrn_reflns_Laue_measured_fraction_max 0.879
_diffrn_reflns_limit_h_max       23
_diffrn_reflns_limit_h_min       -25
_diffrn_reflns_limit_k_max       3
_diffrn_reflns_limit_k_min       -5
_diffrn_reflns_limit_l_max       31
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            3384
_diffrn_reflns_point_group_measured_fraction_full 0.993
_diffrn_reflns_point_group_measured_fraction_max 0.879
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.062
_diffrn_reflns_theta_min         2.048
_diffrn_source                   'micro-focus sealed X-ray tube'
_diffrn_source_type              'SuperNova (Mo) X-ray Source'
_exptl_absorpt_coefficient_mu    0.133
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.10165
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro 1.171.38.41 (Rigaku Oxford Diffraction, 2015)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.591
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             1024
_exptl_crystal_size_max          0.21
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.15
_refine_diff_density_max         0.206
_refine_diff_density_min         -0.172
_refine_diff_density_rms         0.045
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.153
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     164
_refine_ls_number_reflns         2014
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.153
_refine_ls_R_factor_all          0.0844
_refine_ls_R_factor_gt           0.0641
_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^)+(0.0431P)^2^+5.3130P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1602
_refine_ls_wR_factor_ref         0.1721
_reflns_Friedel_coverage         0.000
_reflns_number_gt                1472
_reflns_number_total             2014
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c6ra24799g2.cif
_cod_data_source_block           exp_243
_cod_original_cell_volume        2081.1(4)
_cod_database_code               7227328
_reflns_odcompleteness_completeness 99.58
_reflns_odcompleteness_iscentric 1
_reflns_odcompleteness_theta     25.07
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups
 At 1.5 times of:
  All C(H,H,H) groups
2.a Aromatic/amide H refined with riding coordinates:
 C7(H7), C6(H6), C2(H2), C3(H3)
2.b Idealised Me refined as rotating group:
 C11(H11A,H11B,H11C)
;
_shelx_shelxl_version_number     2014/7
_olex2_date_sample_data_collection 2015-12-31
_olex2_submission_special_instructions 'No special instructions were received'
_oxdiff_exptl_absorpt_empirical_details
;
Empirical correction (ABSPACK) includes:
- Absorption correction using spherical harmonics
- Frame scaling
;
_oxdiff_exptl_absorpt_empirical_full_max 7.718
_oxdiff_exptl_absorpt_empirical_full_min 0.721