Highly stable photoresponsive complex framework formation involves unusual selective hydrogenation of a pyridine derivative
Jie Zhang; Jianming Geng; Guiming Zheng; Jingcao Dai; Zhiyong Fu; Chem.Commun. 50 (2014) 7326–; doi:10.1039/C4CC02584A

data_7114627
_publ_section_title
;
 Highly stable photoresponsive complex framework formation involves
 unusual selective hydrogenation of a pyridine derivative
;
_journal_name_full               Chem.Commun.
_journal_page_first              7326
_journal_paper_doi               10.1039/C4CC02584A
_journal_volume                  50
_journal_year                    2014
_chemical_formula_sum            'C34 H34 N4 O4 Zn'
_chemical_formula_weight         628.02
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           43
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'F 2 -2d'
_symmetry_space_group_name_H-M   'F d d 2'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   21.497(4)
_cell_length_b                   36.708(7)
_cell_length_c                   7.2655(14)
_cell_measurement_reflns_used    2134
_cell_measurement_temperature    110(2)
_cell_measurement_theta_max      25.35
_cell_measurement_theta_min      2.92
_cell_volume                     5733.3(19)
_computing_cell_refinement       'SMART and SAINT'
_computing_data_collection       SMART
_computing_data_reduction        'Bruker SHELXTL'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      110(2)
_diffrn_measured_fraction_theta_full 0.977
_diffrn_measured_fraction_theta_max 0.977
_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  0.0283
_diffrn_reflns_av_sigmaI/netI    0.0438
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -25
_diffrn_reflns_limit_k_max       43
_diffrn_reflns_limit_k_min       -44
_diffrn_reflns_limit_l_max       8
_diffrn_reflns_limit_l_min       -8
_diffrn_reflns_number            7106
_diffrn_reflns_theta_full        25.35
_diffrn_reflns_theta_max         25.35
_diffrn_reflns_theta_min         2.92
_exptl_absorpt_coefficient_mu    0.904
_exptl_absorpt_correction_T_max  0.87
_exptl_absorpt_correction_T_min  0.83
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Sheldrick, 1996)'
_exptl_crystal_colour            blue
_exptl_crystal_density_diffrn    1.455
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             2624
_exptl_crystal_size_max          0.46
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.14
_refine_diff_density_max         0.520
_refine_diff_density_min         -0.403
_refine_diff_density_rms         0.051
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.010(18)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.088
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     195
_refine_ls_number_reflns         2541
_refine_ls_number_restraints     2
_refine_ls_restrained_S_all      1.115
_refine_ls_R_factor_all          0.0518
_refine_ls_R_factor_gt           0.0388
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0303P)^2^+10.2450P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0825
_refine_ls_wR_factor_ref         0.0885
_reflns_number_gt                2134
_reflns_number_total             2541
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c4cc02584a2.cif
_cod_data_source_block           1a
_cod_original_cell_volume        5733.4(19)
_cod_original_sg_symbol_H-M      Fdd2
_cod_database_code               7114627