Increasing the Dynamic Range of Metal Ion Affinity Changes in Zn2+ Photocages Using Multiple Nitrobenzyl Groups
Celina Gwizdala; Prem N. Basa; John C. MacDonald; Shawn C. Burdette; Inorganic Chemistry 52 (2013) 8483–8494; doi:10.1021/ic400465g

data_4335531
_publ_section_title
;
 Increasing the Dynamic Range of Metal Ion Affinity Changes in Zn2+
 Photocages Using Multiple Nitrobenzyl Groups
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              8483
_journal_page_last               8494
_journal_paper_doi               10.1021/ic400465g
_journal_volume                  52
_journal_year                    2013
_chemical_formula_moiety         'C46 H44 Cl3 K N6 O9 Zn3'
_chemical_formula_sum            'C46 H44 Cl3 K N6 O9 Zn3'
_chemical_formula_weight         1166.43
_chemical_name_common            Diacidzn
_chemical_name_systematic
;
 ?
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 94.590(4)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   22.191(3)
_cell_length_b                   16.5760(19)
_cell_length_c                   12.8734(16)
_cell_measurement_reflns_used    9748
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      25.34
_cell_measurement_theta_min      2.21
_cell_volume                     4720.1(10)
_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-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_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  0.0448
_diffrn_reflns_av_sigmaI/netI    0.0401
_diffrn_reflns_limit_h_max       26
_diffrn_reflns_limit_h_min       -26
_diffrn_reflns_limit_k_max       19
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            37638
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         0.92
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    1.833
_exptl_absorpt_correction_T_max  0.8672
_exptl_absorpt_correction_T_min  0.6093
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.641
_exptl_crystal_description       block
_exptl_crystal_F_000             2376
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.08
_refine_diff_density_max         0.638
_refine_diff_density_min         -0.522
_refine_diff_density_rms         0.119
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.228
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     621
_refine_ls_number_reflns         8294
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.228
_refine_ls_R_factor_all          0.0585
_refine_ls_R_factor_gt           0.0471
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0265P)^2^+20.5828P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1019
_refine_ls_wR_factor_ref         0.1153
_reflns_number_gt                7234
_reflns_number_total             8294
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic400465g_si_003.cif
_cod_data_source_block           shawn034
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               4335531