Utilization of methanol and ethanol for 3,3′-bis(indolyl)methane synthesis through activation of peroxymonosulfate over a copper catalyst
Devi, Arpita; Bharali, Mrinmoy Manash; Biswas, Subir; Bora, Tonmoy J.; Nath, Jayanta K.; Lee, Seonghwan; Park, Young-Bin; Saikia, Lakshi; Baruah, Manash J.; Bania, Kusum K.; Green Chemistry 25 (2023) 3443–3448; doi:10.1039/D3GC00440F

data_7246605
_publ_section_title
;
 Utilization of methanol and ethanol for 3,3&#x2032;-bis(indolyl)methane
 synthesis through activation of peroxymonosulfate over a copper catalyst
;
_journal_issue                   9
_journal_name_full               'Green Chemistry'
_journal_page_first              3443
_journal_page_last               3448
_journal_paper_doi               10.1039/D3GC00440F
_journal_volume                  25
_journal_year                    2023
_chemical_absolute_configuration ad
_chemical_formula_moiety         'C18 H16 N2'
_chemical_formula_sum            'C18 H16 N2'
_chemical_formula_weight         260.33
_space_group_crystal_system      orthorhombic
_space_group_IT_number           19
_space_group_name_Hall           'P 2ac 2ab'
_space_group_name_H-M_alt        'P 21 21 21'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_audit_update_record
;
2022-12-28 deposited with the CCDC.	2023-04-11 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   6.607(2)
_cell_length_b                   10.064(2)
_cell_length_c                   21.600(4)
_cell_measurement_reflns_used    4197
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      19.23
_cell_measurement_theta_min      2.26
_cell_volume                     1436.2(6)
_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-2014 (Sheldrick 2014)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 0.983
_diffrn_measured_fraction_theta_max 0.983
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w 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  0.1610
_diffrn_reflns_av_sigmaI/netI    0.0843
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       28
_diffrn_reflns_limit_l_min       -28
_diffrn_reflns_number            44792
_diffrn_reflns_theta_full        28.77
_diffrn_reflns_theta_max         28.77
_diffrn_reflns_theta_min         1.89
_exptl_absorpt_coefficient_mu    0.071
_exptl_absorpt_correction_T_max  0.989
_exptl_absorpt_correction_T_min  0.984
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS-2016/2 (Bruker,2016/2)'
_exptl_crystal_colour            BROWN
_exptl_crystal_density_diffrn    1.204
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       BLOCK
_exptl_crystal_F_000             552
_exptl_crystal_size_max          0.27
_exptl_crystal_size_mid          0.19
_exptl_crystal_size_min          0.16
_refine_diff_density_max         0.145
_refine_diff_density_min         -0.277
_refine_diff_density_rms         0.053
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -3(5)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.015
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     245
_refine_ls_number_reflns         3681
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.015
_refine_ls_R_factor_all          0.1120
_refine_ls_R_factor_gt           0.0627
_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^)+(0.0400P)^2^+0.2277P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1339
_refine_ls_wR_factor_ref         0.1528
_reflns_number_gt                2145
_reflns_number_total             3681
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            d3gc00440f2.cif
_cod_data_source_block           appp01_a
_cod_depositor_comments
'Adding full bibliography for 7246605--7246607.cif.'
_cod_original_cell_volume        1436.1(6)
_cod_database_code               7246605