A fluorescent probe for hypochlorite based on the modulation of the unique rotation of the N-N single bond in acetohydrazide
Lingliang Long; Yanjun Wu; Lin Wang; Aihua Gong; Feilong Hu; Chi Zhang; Chem.Commun. 51 (2015) 10435–; doi:10.1039/C5cc03972J

data_7117322
_publ_section_title
;
 A fluorescent probe for hypochlorite based on the modulation of the
 unique rotation of the N-N single bond in acetohydrazide
;
_journal_name_full               Chem.Commun.
_journal_page_first              10435
_journal_paper_doi               10.1039/C5cc03972J
_journal_volume                  51
_journal_year                    2015
_chemical_formula_moiety         'C20 H21 N3 O3'
_chemical_formula_sum            'C20 H21 N3 O3'
_chemical_formula_weight         351.40
_chemical_melting_point          475.0(10)
_chemical_name_common            1b
_chemical_name_systematic
7-(diethylamino)-2-oxo-N'-phenyl-2H-chromene-3-carbohydrazide
_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
_audit_update_record
;
2014-11-27 deposited with the CCDC.
2015-05-17 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 109.629(5)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   13.1553(7)
_cell_length_b                   6.9401(4)
_cell_length_c                   21.0792(14)
_cell_measurement_temperature    293(2)
_cell_volume                     1812.67(19)
_computing_cell_refinement       'CrystalClear (Rigaku Corp., 2000)'
_computing_data_collection       'CrystalClear (Rigaku Corp., 2000)'
_computing_data_reduction        'CrystalClear (Rigaku Corp., 2000)'
_computing_molecular_graphics    SHELXTL
_computing_publication_material  SHELXTL
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.977
_diffrn_measured_fraction_theta_max 0.977
_diffrn_measurement_device_type  'CCD area detector'
_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  0.0329
_diffrn_reflns_av_sigmaI/netI    0.0389
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       8
_diffrn_reflns_limit_k_min       -7
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -25
_diffrn_reflns_number            9709
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         26.00
_diffrn_reflns_theta_min         3.03
_exptl_absorpt_coefficient_mu    0.088
_exptl_absorpt_correction_T_max  0.982
_exptl_absorpt_correction_T_min  0.978
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS(Bruker, 2002)'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.288
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             744
_exptl_crystal_preparation       Luminescent
_exptl_crystal_recrystallization_method 'Re-crystallisation from solvent: '
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.24
_exptl_crystal_size_min          0.21
_refine_diff_density_max         0.394
_refine_diff_density_min         -0.422
_refine_diff_density_rms         0.039
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.052
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     237
_refine_ls_number_reflns         3485
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.052
_refine_ls_R_factor_all          0.0960
_refine_ls_R_factor_gt           0.0559
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0736P)^2^+0.2401P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1421
_refine_ls_wR_factor_ref         0.1604
_reflns_number_gt                2166
_reflns_number_total             3485
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c5cc03972j2.cif
_cod_data_source_block           1
_cod_depositor_comments
;
The following automatic conversions were performed:

'_chemical_melting_point' value '474-476' was changed to '475.0(10)'
- the average value was taken and precision was estimated.

Automatic conversion script
Id: cif_fix_values 3392 2015-05-12 13:50:21Z andrius 
;
_cod_original_sg_symbol_H-M      P21/c
_cod_database_code               7117322