Synthesis, Structure, Catalytic, and Bio Activity of Some Metal Complexes and Coordination Polymer Featuring Imidazo[1,5-a]pyridine and Chromen[4,3-b]pyrrole-4-one
Rayasingh, Amlan Ranjan; Manivannan, Vadivelu; New Journal of Chemistry  (2026) –; doi:10.1039/D6NJ00431H

data_7064350
_publ_section_title
;
 Synthesis, structure, and catalytic- and bio-activity of some metal
 complexes and a coordination polymer featuring imidazo[1,5-a]pyridine and
 chromen[4,3-b]pyrrole-4-one
;
_journal_issue                   16
_journal_name_full               'New Journal of Chemistry'
_journal_page_first              6746
_journal_page_last               6760
_journal_paper_doi               10.1039/D6NJ00431H
_journal_volume                  50
_journal_year                    2026
_chemical_formula_moiety         'C36 H24 Br2 Cl Cu N6, Cl, 5[H2O]'
_chemical_formula_sum            'C36 H34 Br2 Cl2 Cu N6 O5'
_chemical_formula_weight         924.95
_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     dual
_audit_creation_date             2025-12-10
_audit_creation_method
;
Olex2 1.5
(compiled 2025.05.22 svn.r631f81ec for OlexSys, GUI svn.r7248)
;
_audit_update_record
;
2026-01-26 deposited with the CCDC.	2026-03-24 downloaded from the CCDC.
;
_cell_angle_alpha                69.906(2)
_cell_angle_beta                 76.732(2)
_cell_angle_gamma                85.853(2)
_cell_formula_units_Z            2
_cell_length_a                   11.0740(9)
_cell_length_b                   12.8377(10)
_cell_length_c                   14.4872(12)
_cell_measurement_reflns_used    1944
_cell_measurement_temperature    297.00
_cell_measurement_theta_max      21.95
_cell_measurement_theta_min      2.71
_cell_volume                     1882.5(3)
_computing_cell_refinement       'SAINT V8.40B (?, 2016)'
_computing_data_reduction        'SAINT V8.40B (?, 2016)'
_computing_molecular_graphics    'Olex2 1.5 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 1.5 (Dolomanov et al., 2009)'
_computing_structure_refinement  'SHELXL 2019/1 (Sheldrick, 2015)'
_computing_structure_solution    'SHELXT 2018/2 (Sheldrick, 2018)'
_diffrn_ambient_temperature      297.00
_diffrn_detector_area_resol_mean 7.9
_diffrn_measured_fraction_theta_full 0.983
_diffrn_measured_fraction_theta_max 0.983
_diffrn_measurement_device_type  CMOS-PHOTONII-7
_diffrn_measurement_method       '\w and \f scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0467
_diffrn_reflns_av_unetI/netI     0.0312
_diffrn_reflns_Laue_measured_fraction_full 0.983
_diffrn_reflns_Laue_measured_fraction_max 0.983
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            45593
_diffrn_reflns_point_group_measured_fraction_full 0.983
_diffrn_reflns_point_group_measured_fraction_max 0.983
_diffrn_reflns_theta_full        24.998
_diffrn_reflns_theta_max         24.998
_diffrn_reflns_theta_min         1.860
_diffrn_source                   'X-ray Tube'
_diffrn_source_current           1.4
_diffrn_source_power             0.07
_diffrn_source_voltage           50.0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    2.895
_exptl_absorpt_correction_T_max  0.7455
_exptl_absorpt_correction_T_min  0.5254
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2016/2 (Bruker,2016/2) was used for absorption correction.
wR2(int) was 0.1327 before and 0.0627 after correction.
The Ratio of minimum to maximum transmission is 0.7048.
The \l/2 correction factor is Not present.
;
_exptl_crystal_colour            blue
_exptl_crystal_colour_primary    blue
_exptl_crystal_density_diffrn    1.632
_exptl_crystal_description       plate
_exptl_crystal_F_000             930
_exptl_crystal_size_max          0.15
_exptl_crystal_size_mid          0.1
_exptl_crystal_size_min          0.04
_refine_diff_density_max         1.331
_refine_diff_density_min         -0.911
_refine_diff_density_rms         0.122
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.148
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     497
_refine_ls_number_reflns         6522
_refine_ls_number_restraints     501
_refine_ls_restrained_S_all      1.109
_refine_ls_R_factor_all          0.1244
_refine_ls_R_factor_gt           0.0877
_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^)+(0.1763P)^2^+3.1486P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2407
_refine_ls_wR_factor_ref         0.3112
_reflns_Friedel_coverage         0.000
_reflns_number_gt                4266
_reflns_number_total             6522
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d6nj00431h2.cif
_cod_data_source_block           1d
_cod_depositor_comments
'Adding full bibliography for 7064343--7064354.cif.'
_cod_database_code               7064350
_shelx_shelxl_version_number     2019/1
_shelx_estimated_absorpt_t_max   0.893
_shelx_estimated_absorpt_t_min   0.671
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups
2. Restrained distances
 C30-C32 \\sim C30A-C32A
 with sigma of 0.04
 C29-C31 \\sim C29A-C31A
 with sigma of 0.04
 C28-C32 \\sim C28A-C32A
 with sigma of 0.04
 C28-C30 \\sim C28A-C30A
 with sigma of 0.04
 C27-C31 \\sim C27A-C31A
 with sigma of 0.04
 C27-C29 \\sim C27A-C29A
 with sigma of 0.04
 C24-C32 \\sim C24-C32A
 with sigma of 0.04
 C24-C28 \\sim C24-C28A
 with sigma of 0.04
 Br2-C31 \\sim Br2A-C31A
 with sigma of 0.04
 Br2-C27 \\sim Br2A-C27A
 with sigma of 0.04
 C31-C32 \\sim C31A-C32A
 with sigma of 0.02
 C30-C31 \\sim C30A-C31A
 with sigma of 0.02
 C29-C30 \\sim C29A-C30A
 with sigma of 0.02
 C28-C29 \\sim C28A-C29A
 with sigma of 0.02
 C27-C32 \\sim C27A-C32A
 with sigma of 0.02
 C27-C28 \\sim C27A-C28A
 with sigma of 0.02
 C24-C27 \\sim C24-C27A
 with sigma of 0.02
 Br2-C32 \\sim Br2A-C32A
 with sigma of 0.02
3. Restrained planarity
 C29A, C28A, C32A, C30A, C31A, C27A
 with sigma of 0.02
4. Uiso/Uaniso restraints and constraints
All non-hydrogen atoms have similar U: within 2A with sigma of 0.04 and sigma
for terminal atoms of 0.08 within 2A
5. Others
 Sof(Br2A)=Sof(C27A)=Sof(C28A)=Sof(H28A)=Sof(C29A)=Sof(H29A)=Sof(C30A)=
 Sof(H30A)=Sof(C31A)=Sof(H31A)=Sof(C32A)=1-FVAR(1)
 Sof(Br2)=Sof(C27)=Sof(C28)=Sof(H28)=Sof(C29)=Sof(H29)=Sof(C30)=Sof(H30)=
 Sof(C31)=Sof(H31)=Sof(C32)=FVAR(1)
 Fixed Sof: Cl3(0.5) Cl2(0.5)
6.a Aromatic/amide H refined with riding coordinates:
 C2(H2), C3(H3), C4(H4), C5(H5), C10(H10), C11(H11), C12(H12), C13(H13),
 C15(H15), C16(H16), C17(H17), C18(H18), C20(H20), C21(H21), C22(H22), C23(H23),
  C28(H28), C29(H29), C30(H30), C31(H31), C33(H33), C34(H34), C35(H35),
 C36(H36), C28A(H28A), C29A(H29A), C30A(H30A), C31A(H31A)
;
_smtbx_masks_void_probe_radius   1.2
_smtbx_masks_void_truncation_radius 1.2
_shelx_res_checksum              80809
_shelx_fab_checksum              54261
_olex2_submission_special_instructions 'No special instructions were received'