One-Pot Synthesis and Structure-Property Relationship of Aminomaleimides: Fluorescence Efficiencies in Monomers and Aggregates Easily Tuned by Switch of Aryl and Alkyl.
Zhu, Qiuhua; Ye, Ziwei; Yang, Weijie; Cai, Xiaotie; Tang, Ben Zhong; The Journal of organic chemistry 82 (2017) 1096–1104; doi:10.1021/acs.joc.6b02706

data_4032128
_publ_section_title
;
 One-Pot Synthesis and Structure-Property Relationship of Aminomaleimides:
 Fluorescence Efficiencies in Monomers and Aggregates Easily Tuned by
 Switch of Aryl and Alkyl.
;
_journal_issue                   2
_journal_name_full               'The Journal of organic chemistry'
_journal_page_first              1096
_journal_page_last               1104
_journal_paper_doi               10.1021/acs.joc.6b02706
_journal_volume                  82
_journal_year                    2017
_chemical_formula_moiety         'C12 H20 N2 O2'
_chemical_formula_sum            'C12 H20 N2 O2'
_chemical_formula_weight         224.30
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_audit_creation_date             2015-10-11
_audit_creation_method
;
Olex2 1.2-beta
(compiled 2015.09.30 svn.r3233 for OlexSys, GUI svn.r5103)
;
_cell_angle_alpha                97.898(6)
_cell_angle_beta                 91.398(6)
_cell_angle_gamma                102.640(6)
_cell_formula_units_Z            2
_cell_length_a                   4.9314(3)
_cell_length_b                   9.9036(7)
_cell_length_c                   13.2788(10)
_cell_measurement_temperature    173.15
_cell_volume                     625.80(8)
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'ShelXL (Sheldrick, 2015)'
_diffrn_ambient_temperature      173.15
_diffrn_measured_fraction_theta_full 0.952
_diffrn_measured_fraction_theta_max 0.926
_diffrn_measurement_device_type  'CCD Area Detector'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0325
_diffrn_reflns_av_unetI/netI     0.0352
_diffrn_reflns_Laue_measured_fraction_full 0.952
_diffrn_reflns_Laue_measured_fraction_max 0.926
_diffrn_reflns_limit_h_max       4
_diffrn_reflns_limit_h_min       -6
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            3499
_diffrn_reflns_point_group_measured_fraction_full 0.952
_diffrn_reflns_point_group_measured_fraction_max 0.926
_diffrn_reflns_theta_full        67.679
_diffrn_reflns_theta_max         71.498
_diffrn_reflns_theta_min         9.901
_exptl_absorpt_coefficient_mu    0.654
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colourless
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.190
_exptl_crystal_description       block
_exptl_crystal_F_000             244
_exptl_crystal_size_max          0.2
_exptl_crystal_size_mid          0.2
_exptl_crystal_size_min          0.2
_refine_diff_density_max         0.202
_refine_diff_density_min         -0.280
_refine_diff_density_rms         0.054
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.034
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     147
_refine_ls_number_reflns         2253
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.034
_refine_ls_R_factor_all          0.0508
_refine_ls_R_factor_gt           0.0459
_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^)+(0.0856P)^2^+0.0644P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1284
_refine_ls_wR_factor_ref         0.1364
_reflns_Friedel_coverage         0.000
_reflns_number_gt                1977
_reflns_number_total             2253
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            jo6b02706_si_002.cif
_cod_data_source_block           zhu1cult
_cod_depositor_comments          'Adding full bibliography for 4032128.cif.'
_cod_database_code               4032128
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups, All C(H,H) groups, All N(H) groups
 At 1.5 times of:
  All C(H,H,H) groups
2.a Secondary CH2 refined with riding coordinates:
 C6(H6A,H6B), C7(H7A,H7B), C8(H8A,H8B), C11(H11A,H11B), C12(H12A,H12B),
 C13(H13A,H13B)
2.b Aromatic/amide H refined with riding coordinates:
 C4(H4), N10(H10)
2.c Idealised Me refined as rotating group:
 C9(H9A,H9B,H9C), C14(H14A,H14B,H14C)
;
_shelx_shelxl_version_number     2014/7
_olex2_submission_special_instructions 'No special instructions were received'