Ni(ii)-polypyridyl complexes as potential DNA binders
Sahni, Priya; Gupta, Rahat; Tripathy, Debakanta; Rath, Soumya Lipsa; Pal, Amlan K.; New Journal of Chemistry 47 (2023) 14717–14725; doi:10.1039/D3NJ00961K

data_7062563
_publ_section_title
;
 Ni(ii)-polypyridyl complexes as potential DNA binders
;
_journal_issue                   31
_journal_name_full               'New Journal of Chemistry'
_journal_page_first              14717
_journal_page_last               14725
_journal_paper_doi               10.1039/D3NJ00961K
_journal_volume                  47
_journal_year                    2023
_chemical_formula_moiety         'C36 H52 N16 Ni, 2(F6 P), C2 H3 N'
_chemical_formula_sum            'C38 H55 F12 N17 Ni P2'
_chemical_formula_weight         1098.64
_chemical_melting_point          ?
_chemical_name_systematic
'[Bis(di(1,3,4,6,7,8-Hexahydro-2H-pyrimido[1,2-a]pyrimidino)pyrazine]Nickel(II) hexafluorophosphate'
_space_group_crystal_system      orthorhombic
_space_group_IT_number           33
_space_group_name_Hall           'P 2c -2n'
_space_group_name_H-M_alt        'P n a 21'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     iterative
_audit_creation_date             2022-06-14
_audit_creation_method
;
Olex2 1.2
(compiled 2018.05.29 svn.r3508 for OlexSys, GUI svn.r5506)
;
_audit_update_record
;
2023-01-23 deposited with the CCDC.	2023-07-06 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   23.253(4)
_cell_length_b                   14.073(3)
_cell_length_c                   13.729(3)
_cell_measurement_reflns_used    9054
_cell_measurement_temperature    100.0
_cell_measurement_theta_max      28.31
_cell_measurement_theta_min      2.25
_cell_volume                     4492.7(16)
_computing_cell_refinement       'SAINT V8.40B (?, 2016)'
_computing_data_reduction        'SAINT V8.40B (?, 2016)'
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'XL (Sheldrick, 2008)'
_computing_structure_solution    'olex2.solve (Bourhis et al., 2015)'
_diffrn_ambient_temperature      100.0
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0713
_diffrn_reflns_av_unetI/netI     0.0321
_diffrn_reflns_Laue_measured_fraction_full 0.998
_diffrn_reflns_Laue_measured_fraction_max 0.998
_diffrn_reflns_limit_h_max       31
_diffrn_reflns_limit_h_min       -28
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            125442
_diffrn_reflns_point_group_measured_fraction_full 0.997
_diffrn_reflns_point_group_measured_fraction_max 0.996
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         28.318
_diffrn_reflns_theta_min         2.072
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.607
_exptl_absorpt_correction_T_max  0.7064
_exptl_absorpt_correction_T_min  0.6477
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2016/2 (Bruker,2016/2) was used for absorption correction.
wR2(int) was 0.1133 before and 0.1007 after correction.
The Ratio of minimum to maximum transmission is 0.9169.
The \l/2 correction factor is Not present.
;
_exptl_crystal_colour            'metallic dark brown'
_exptl_crystal_colour_lustre     metallic
_exptl_crystal_colour_modifier   dark
_exptl_crystal_colour_primary    brown
_exptl_crystal_density_diffrn    1.624
_exptl_crystal_description       block
_exptl_crystal_F_000             2272
_exptl_crystal_preparation       'Synthesized in laboratory'
_exptl_crystal_recrystallization_method
'The title compound was crystallized by vapour diffusion of diethylether into a concentrated solution of the title compound in acetonitrile'
_exptl_crystal_size_max          0.16
_exptl_crystal_size_mid          0.12
_exptl_crystal_size_min          0.1
_refine_diff_density_max         1.172
_refine_diff_density_min         -0.413
_refine_diff_density_rms         0.071
_refine_ls_abs_structure_details
;
 Flack x determined using 4919 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   0.148(3)
_refine_ls_extinction_coef       0.0025(5)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     'SHELXL-2018/3 (Sheldrick 2018)'
_refine_ls_goodness_of_fit_ref   1.032
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     633
_refine_ls_number_reflns         11137
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.032
_refine_ls_R_factor_all          0.0302
_refine_ls_R_factor_gt           0.0288
_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^)+(0.0499P)^2^+0.9974P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0756
_refine_ls_wR_factor_ref         0.0761
_reflns_Friedel_coverage         0.917
_reflns_Friedel_fraction_full    0.995
_reflns_Friedel_fraction_max     0.993
_reflns_number_gt                10706
_reflns_number_total             11137
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d3nj00961k2.cif
_cod_data_source_block           mo_ps_19_4_0ma
_cod_depositor_comments
;
The following automatic conversions were performed:

data item '_chemical_melting_point' value 'Not determined' was
changed to '?' -- the value is undefined or not given.

Automatic conversion script
Id: cif_fix_values 8170 2020-07-09 18:12:32Z antanas 

 Adding full bibliography for 7062562--7062564.cif.
;
_cod_original_cell_volume        4492.9(15)
_cod_database_code               7062563
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_max   0.942
_shelx_estimated_absorpt_t_min   0.909
_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:
 C5(H5A,H5B), C6(H6A,H6B), C7(H7A,H7B), C8(H8A,H8B), C9(H9A,H9B), C10(H10A,
 H10B), C12(H12A,H12B), C13(H13A,H13B), C14(H14A,H14B), C15(H15A,H15B),
 C16(H16A,H16B), C17(H17A,H17B), C23(H23A,H23B), C24(H24A,H24B), C25(H25A,H25B),
  C26(H26A,H26B), C27(H27A,H27B), C28(H28A,H28B), C30(H30A,H30B), C31(H31A,
 H31B), C32(H32A,H32B), C33(H33A,H33B), C34(H34A,H34B), C35(H35A,H35B)
2.b Aromatic/amide H refined with riding coordinates:
 C2(H2), C3(H3), C20(H20), C21(H21)
2.c Idealised Me refined as rotating group:
 C38(H38A,H38B,H38C)
;
_shelx_res_checksum              75383
_olex2_exptl_crystal_mounting_method 'On a loop fiber'
_olex2_submission_original_sample_id NiDGPZ
_olex2_submission_special_instructions 'No special instructions were received'