Exploring the influence of polymorphism and chromophore co-ligands on linkage isomer photoswitching in [Pd(bpy4dca)(NO2)2]
Hatcher, Lauren E.; Coulson, Ben A.; CrystEngComm  (2022) –; doi:10.1039/D2CE00213B

data_7244821
_publ_section_title
;
 Exploring the influence of polymorphism and chromophore co-ligands on
 linkage isomer photoswitching in [Pd(bpy4dca)(NO2)2]
;
_journal_name_full               CrystEngComm
_journal_paper_doi               10.1039/D2CE00213B
_journal_year                    2022
_chemical_formula_moiety         'C14 H12 N4 O8 Pd'
_chemical_formula_sum            'C14 H12 N4 O8 Pd'
_chemical_formula_weight         470.68
_chemical_name_systematic
;
Dinitro-(dimethyl 2,2'-bipyridine-4,4'-dicarboxylate)palladium(II)
;
_chemical_properties_physical    Light-sensitive,Photo-sensitive
_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   geom
_audit_creation_method           SHELXL-2018/3
_audit_update_record
;
2022-02-14 deposited with the CCDC.	2022-03-25 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 93.877(5)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   8.5713(5)
_cell_length_b                   7.8306(4)
_cell_length_c                   24.9557(13)
_cell_measurement_reflns_used    1698
_cell_measurement_temperature    199(2)
_cell_measurement_theta_max      23.8440
_cell_measurement_theta_min      3.6680
_cell_volume                     1671.15(16)
_computing_cell_refinement       'CrysAlisPro 1.171.40.67a (Rigaku OD, 2019)'
_computing_data_collection       'CrysAlisPro 1.171.40.67a (Rigaku OD, 2019)'
_computing_data_reduction        'CrysAlisPro 1.171.40.67a (Rigaku OD, 2019)'
_computing_structure_refinement  'SHELXL-2018/3 (Sheldrick, 2018)'
_computing_structure_solution    'SHELXT 2018/2 (Sheldrick, 2018)'
_diffrn_ambient_temperature      199(2)
_diffrn_detector_area_resol_mean 10.3795
_diffrn_measured_fraction_theta_full 0.990
_diffrn_measured_fraction_theta_max 0.991
_diffrn_measurement_device_type  'Xcalibur, Atlas, Gemini ultra'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0499
_diffrn_reflns_av_unetI/netI     0.0949
_diffrn_reflns_Laue_measured_fraction_full 0.990
_diffrn_reflns_Laue_measured_fraction_max 0.991
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -8
_diffrn_reflns_limit_l_max       30
_diffrn_reflns_limit_l_min       -31
_diffrn_reflns_number            6919
_diffrn_reflns_point_group_measured_fraction_full 0.990
_diffrn_reflns_point_group_measured_fraction_max 0.991
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         26.368
_diffrn_reflns_theta_min         3.528
_diffrn_source                   'fine-focus sealed X-ray tube'
_diffrn_source_type              'Enhance (Mo) X-ray Source'
_exptl_absorpt_coefficient_mu    1.165
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.83163
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro 1.171.41.107a (Rigaku Oxford Diffraction, 2021)
Empirical absorption correction using spherical harmonics,
implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.871
_exptl_crystal_description       block
_exptl_crystal_F_000             936
_exptl_crystal_recrystallization_method
'Re-crystallisation from solvent: Acetonitrile/water'
_exptl_crystal_size_max          0.300
_exptl_crystal_size_mid          0.200
_exptl_crystal_size_min          0.100
_refine_diff_density_max         0.685
_refine_diff_density_min         -0.959
_refine_diff_density_rms         0.114
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.001
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     274
_refine_ls_number_reflns         3394
_refine_ls_number_restraints     284
_refine_ls_restrained_S_all      0.969
_refine_ls_R_factor_all          0.0999
_refine_ls_R_factor_gt           0.0506
_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^)+(0.0341P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0887
_refine_ls_wR_factor_ref         0.1079
_reflns_Friedel_coverage         0.000
_reflns_number_gt                2149
_reflns_number_total             3394
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d2ce00213b3.cif
_cod_data_source_block           Poly2_180min-470nm_200K
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               7244821
_shelx_shelxl_version_number     2018/3
_shelx_res_checksum              30084