Pyridyl β-ketoenols, pyrazoles and their zinc complexes: synthesis, photophysical properties, and DNA binding.
Barton, Kyle J.; Hedberg, Emma N.; Horton, Alexandria R.; Allen, Jacqueline N.; Wheeler, Kraig A.; Cravens, Shannen L.; Bailey, Wilson D.; Dalton transactions (Cambridge, England : 2003) 54 (2025) 17299–17310; doi:10.1039/d5dt01900a

data_7719853
_publ_section_title
;
 Pyridyl &#x3b2;-ketoenols, pyrazoles and their zinc complexes: synthesis,
 photophysical properties, and DNA binding.
;
_journal_issue                   46
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              17299
_journal_page_last               17310
_journal_paper_doi               10.1039/d5dt01900a
_journal_volume                  54
_journal_year                    2025
_chemical_formula_moiety         'C16 H16 N2 O2'
_chemical_formula_sum            'C16 H16 N2 O2'
_chemical_formula_weight         268.31
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        'P 1 21/n 1'
_atom_sites_solution_hydrogens   mixed
_audit_creation_date             2025-07-24
_audit_creation_method
;
Olex2 1.5
(compiled 2025.07.13 svn.rb7424aed for OlexSys, GUI svn.r7308)
;
_audit_update_record
;
2025-08-08 deposited with the CCDC.	2025-10-31 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 98.9920(10)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   9.6366(3)
_cell_length_b                   14.5962(5)
_cell_length_c                   9.6954(3)
_cell_measurement_reflns_used    1150
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      25.68
_cell_measurement_theta_min      2.54
_cell_volume                     1346.97(8)
_computing_cell_refinement       'SAINT+ V8.40B (Bruker AXS Inc., 2020)'
_computing_data_collection       'APEX3 Ver.2019.11-0 (Bruker-AXS, 2019)'
_computing_data_reduction        'SAINT+ Ve8.40B (Bruker-AXS, 2020)'
_computing_molecular_graphics    'OLEX2 (Dolomanov et al., 2009)'
_computing_publication_material  'OLEX2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'XL (Sheldrick, 2019/1)'
_computing_structure_solution    'XT (Sheldrick, 2018/2)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector                 '100 \\times 140 mm^2^ CMOS sensor'
_diffrn_detector_area_resol_mean 7.9
_diffrn_detector_type            'Bruker PHOTON II'
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device       '\k-geometry four-circle diffractometer'
_diffrn_measurement_device_type  'Bruker D8 Venture'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_collimation    'focusing mirror'
_diffrn_radiation_detector       'Bruker PHOTON II'
_diffrn_radiation_monochromator  'multilayer mirror'
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_radiation_xray_symbol    K-L~3~
_diffrn_reflns_av_R_equivalents  0.0271
_diffrn_reflns_av_unetI/netI     0.0141
_diffrn_reflns_Laue_measured_fraction_full 0.996
_diffrn_reflns_Laue_measured_fraction_max 0.998
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       22
_diffrn_reflns_limit_k_min       -22
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            48893
_diffrn_reflns_point_group_measured_fraction_full 0.996
_diffrn_reflns_point_group_measured_fraction_max 0.998
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         33.141
_diffrn_reflns_theta_min         2.544
_diffrn_source                   'microfocus sealed X-ray tube'
_diffrn_source_type              'Incoatec I\mS 3.0'
_exptl_absorpt_coefficient_mu    0.089
_exptl_absorpt_correction_T_max  0.7465
_exptl_absorpt_correction_T_min  0.7026
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2016/2 (Bruker,2016/2) was used for absorption correction.
wR2(int) was 0.0763 before and 0.0447 after correction.
The Ratio of minimum to maximum transmission is 0.9412.
The \l/2 correction factor is Not present.
;
_exptl_crystal_colour            'clear yellow'
_exptl_crystal_colour_lustre     clear
_exptl_crystal_colour_primary    yellow
_exptl_crystal_density_diffrn    1.323
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             568
_exptl_crystal_size_max          0.33
_exptl_crystal_size_mid          0.226
_exptl_crystal_size_min          0.113
_refine_diff_density_max         0.460
_refine_diff_density_min         -0.272
_refine_diff_density_rms         0.048
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.037
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     189
_refine_ls_number_reflns         5122
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.037
_refine_ls_R_factor_all          0.0428
_refine_ls_R_factor_gt           0.0386
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0666P)^2^+0.2983P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1139
_refine_ls_wR_factor_ref         0.1185
_reflns_Friedel_coverage         0.000
_reflns_number_gt                4579
_reflns_number_total             5122
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d5dt01900a2.cif
_cod_data_source_block           mo_pnwsci03b_0m
_cod_depositor_comments
;
The following automatic conversions were performed:

data item '_diffrn_radiation_probe' value 'X-ray' was changed to
'x-ray' in accordance with the
/home/data/users/saulius/crontab/automatic-downloads/rss-feeds/RSC/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 8170 2020-07-09 18:12:32Z antanas 

 Adding full bibliography for 7719853--7719858.cif.
;
_cod_database_code               7719853
_shelx_shelxl_version_number     2019/3
_shelx_estimated_absorpt_t_max   0.990
_shelx_estimated_absorpt_t_min   0.971
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups
 At 1.5 times of:
  All C(H,H,H) groups, All O(H) groups
2. Others
 Fixed Sof: H1(0.5) H2(0.5)
3.a Aromatic/amide H refined with riding coordinates:
 C1(H1A), C2(H2A), C3(H3), C4(H4), C7(H7), C10(H10), C11(H11), C13(H13),
 C14(H14)
3.b Idealised Me refined as rotating group:
 C15(H15A,H15B,H15C), C16(H16A,H16B,H16C)
;
_shelx_res_checksum              84693
_olex2_submission_special_instructions 'No special instructions were received'