Halogen bond induced phosphorescence of capped gamma-amino acid in the solid state
Suman Kumar Maity; Santu Bera; Arpita Paikar; Apurba Pramanik; Debasish Haldar; Chem.Commun. 49 (2013) 9051–; doi:10.1039/c3cc44231d

data_7109797
_publ_section_title
;
 Halogen bond induced phosphorescence of capped gamma-amino acid in the
 solid state
;
_journal_name_full               Chem.Commun.
_journal_page_first              9051
_journal_paper_doi               10.1039/c3cc44231d
_journal_volume                  49
_journal_year                    2013
_chemical_formula_moiety         'C25 H36 Br N3 O4'
_chemical_formula_sum            'C25 H36 Br N3 O4'
_chemical_formula_weight         522.48
_space_group_IT_number           14
_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
_cell_angle_alpha                90.00
_cell_angle_beta                 108.526(15)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   13.649(13)
_cell_length_b                   16.921(16)
_cell_length_c                   12.008(12)
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      18.02
_cell_measurement_theta_min      2.88
_cell_volume                     2630(4)
_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      100(2)
_diffrn_measured_fraction_theta_full 0.986
_diffrn_measured_fraction_theta_max 0.986
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_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  0.0901
_diffrn_reflns_av_sigmaI/netI    0.1239
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       20
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            19475
_diffrn_reflns_theta_full        24.94
_diffrn_reflns_theta_max         24.94
_diffrn_reflns_theta_min         1.57
_exptl_absorpt_coefficient_mu    1.597
_exptl_absorpt_correction_T_max  0.664
_exptl_absorpt_correction_T_min  0.476
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Bruker, 2008)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.320
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1096
_exptl_crystal_size_max          0.481
_exptl_crystal_size_mid          0.393
_exptl_crystal_size_min          0.256
_refine_diff_density_max         0.339
_refine_diff_density_min         -0.451
_refine_diff_density_rms         0.069
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.015
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     301
_refine_ls_number_reflns         4442
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.015
_refine_ls_R_factor_all          0.1519
_refine_ls_R_factor_gt           0.0526
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0417P)^2^+1.1983P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0924
_refine_ls_wR_factor_ref         0.1191
_reflns_number_gt                2200
_reflns_number_total             4442
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c3cc44231d.txt
_cod_data_source_block           dh
_cod_original_cell_volume        2629(4)
_cod_original_sg_symbol_H-M      'P2(1)/c  '
_cod_database_code               7109797