Cationic Organochalcogen with Monomer/Excimer Emissions for Dual-Color Live Cell Imaging and Cell Damage Diagnosis.
Chao, Xi-Juan; Wang, Kang-Nan; Sun, Li-Li; Cao, Qian; Ke, Zhuo-Feng; Cao, Du-Xia; Mao, Zong-Wan; ACS applied materials & interfaces 10 (2018) 13264–13273; doi:10.1021/acsami.7b12521

data_4515352
_publ_section_title
;
 Cationic Organochalcogen with Monomer/Excimer Emissions for Dual-Color
 Live Cell Imaging and Cell Damage Diagnosis.
;
_journal_issue                   16
_journal_name_full               'ACS applied materials &amp; interfaces'
_journal_page_first              13264
_journal_page_last               13273
_journal_paper_doi               10.1021/acsami.7b12521
_journal_volume                  10
_journal_year                    2018
_chemical_formula_moiety         'C20 H19 N2 S, C O, I'
_chemical_formula_sum            'C22 H19 I N O S'
_chemical_formula_weight         472.34
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_date             2017-03-23
_audit_creation_method
;
Olex2 1.2
(compiled 2016.09.09 svn.r3337 for OlexSys, GUI svn.r5227)
;
_cell_angle_alpha                90.00
_cell_angle_beta                 103.053(4)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   12.2656(5)
_cell_length_b                   7.3671(3)
_cell_length_c                   23.1538(9)
_cell_measurement_reflns_used    1989
_cell_measurement_temperature    293
_cell_measurement_theta_max      61.5080
_cell_measurement_theta_min      3.7030
_cell_volume                     2038.16(15)
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'XL (Sheldrick, 2008)'
_computing_structure_solution    'SIR2004 (Burla et al., 2007)'
_diffrn_ambient_temperature      293
_diffrn_measured_fraction_theta_full 0.982
_diffrn_measured_fraction_theta_max 0.982
_diffrn_measurement_device_type  'Xcalibur, Sapphire3, Gemini ultra'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0342
_diffrn_reflns_av_unetI/netI     0.0461
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       8
_diffrn_reflns_limit_k_min       -8
_diffrn_reflns_limit_l_max       26
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            6305
_diffrn_reflns_theta_full        62.56
_diffrn_reflns_theta_max         62.56
_diffrn_reflns_theta_min         3.70
_diffrn_source                   'fine-focus sealed tube'
_diffrn_source_current           n/a
_diffrn_source_voltage           n/a
_exptl_absorpt_coefficient_mu    13.372
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.49298
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            'metallic reddish red'
_exptl_crystal_colour_lustre     metallic
_exptl_crystal_colour_modifier   reddish
_exptl_crystal_colour_primary    red
_exptl_crystal_density_diffrn    1.539
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             940
_exptl_crystal_size_max          0.2
_exptl_crystal_size_mid          0.1
_exptl_crystal_size_min          0.1
_refine_diff_density_max         1.513
_refine_diff_density_min         -0.637
_refine_diff_density_rms         0.113
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.013
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     237
_refine_ls_number_reflns         3198
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.013
_refine_ls_R_factor_all          0.0674
_refine_ls_R_factor_gt           0.0585
_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^)+(0.0958P)^2^+2.5365P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1538
_refine_ls_wR_factor_ref         0.1644
_reflns_number_gt                2683
_reflns_number_total             3198
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            am7b12521_si_003.cif
_cod_data_source_block           a
_cod_original_cell_volume        2038.16(14)
_cod_database_code               4515352
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups, All C(H,H) groups
 At 1.5 times of:
  All C(H,H,H) groups
2.a Secondary CH2 refined with riding coordinates:
 C14(H14A,H14B)
2.b Aromatic/amide H refined with riding coordinates:
 C2(H2), C3(H3), C4(H4), C5(H5), C9(H9), C10(H10), C12(H12), C18(H18),
 C19(H19), C20(H20), C21(H21)
2.c Idealised Me refined as rotating group:
 C7(H7A,H7B,H7C), C15(H15A,H15B,H15C)
;
_olex2_submission_special_instructions 'No special instructions were received'