Formation or Cleavage of Rings via Sulfide-Mediated Reduction Offers Background-Free Detection of Sulfide.
Ghosh, Sanjib; Roy, Biswajit; Bandyopadhyay, Subhajit; The Journal of organic chemistry 84 (2019) 12031–12039; doi:10.1021/acs.joc.9b01946

data_4034451
_publ_section_title
;
 Formation or Cleavage of Rings via Sulfide-Mediated Reduction Offers
 Background-Free Detection of Sulfide.
;
_journal_issue                   18
_journal_name_full               'The Journal of organic chemistry'
_journal_page_first              12031
_journal_page_last               12039
_journal_paper_doi               10.1021/acs.joc.9b01946
_journal_volume                  84
_journal_year                    2019
_chemical_formula_moiety         'C14 H15 N3 O4'
_chemical_formula_sum            'C14 H15 N3 O4'
_chemical_formula_weight         289.29
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_date             2017-05-18
_audit_creation_method
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Olex2 1.2
(compiled 2016.11.30 svn.r3356 for OlexSys, GUI svn.r5269)
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_cell_angle_alpha                95.410(4)
_cell_angle_beta                 107.142(4)
_cell_angle_gamma                108.192(4)
_cell_formula_units_Z            2
_cell_length_a                   7.7296(5)
_cell_length_b                   9.4178(6)
_cell_length_c                   11.3595(7)
_cell_measurement_reflns_used    3754
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      25.0260
_cell_measurement_theta_min      2.1860
_cell_volume                     734.72(9)
_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-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      296.15
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.994
_diffrn_measurement_device       'four-circle diffractometer'
_diffrn_measurement_device_type  'SuperNova, Dual, Cu at zero, Eos'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0325
_diffrn_reflns_av_unetI/netI     0.0317
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            10157
_diffrn_reflns_theta_full        27.52
_diffrn_reflns_theta_max         27.52
_diffrn_reflns_theta_min         1.92
_diffrn_source                   'fine-focus sealed tube'
_diffrn_standards_decay_%        0
_diffrn_standards_interval_time  120
_diffrn_standards_number         3
_exptl_absorpt_coefficient_mu    0.098
_exptl_absorpt_correction_T_max  0.993
_exptl_absorpt_correction_T_min  0.769
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            yellow
_exptl_crystal_colour_primary    yellow
_exptl_crystal_density_diffrn    1.308
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             304
_exptl_crystal_size_max          0.3
_exptl_crystal_size_mid          0.2
_exptl_crystal_size_min          0.1
_refine_diff_density_max         0.398
_refine_diff_density_min         -0.357
_refine_diff_density_rms         0.037
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.054
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     191
_refine_ls_number_reflns         3358
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.054
_refine_ls_R_factor_all          0.0871
_refine_ls_R_factor_gt           0.0544
_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^)+(0.0905P)^2^+0.1025P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1591
_refine_ls_wR_factor_ref         0.1820
_reflns_number_gt                2109
_reflns_number_total             3358
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jo9b01946_si_002.cif
_cod_data_source_block           sg_azide_p_1
_cod_depositor_comments
;
The following automatic conversions were performed:

data item '_exptl_absorpt_correction_type' value 'MULTI-SCAN' was
changed to 'multi-scan' in accordance with the
/home/data/users/saulius/crontab/automatic-downloads/current/ACS/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 last updated on
2011-04-26.

Automatic conversion script
Id: cif_fix_values 6909 2019-04-08 15:41:33Z antanas 
;
_cod_original_cell_volume        734.71(8)
_cod_database_code               4034451
_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:
 C10(H10A,H10B), C13(H13A,H13B)
2.b Me refined with riding coordinates:
 C14(H14A,H14B,H14C)
2.c Aromatic/amide H refined with riding coordinates:
 C7(H7), C5(H5), C2(H2), C3(H3), C4(H4)
2.d Idealised Me refined as rotating group:
 C11(H11A,H11B,H11C)
;
_olex2_submission_special_instructions 'No special instructions were received'