Tunable and Switchable Dielectric Constant in an Amphidynamic Crystal
Wen Zhang; Heng-Yun Ye; Robert Graf; Hans W. Spiess; Ye-Feng Yao; Run-Qiang Zhu; Ren-Gen Xiong; Journal of the American Chemical Society 135 (2013) 5230–5233; doi:10.1021/ja3110335

data_4119559
_publ_section_title
;
 Tunable and Switchable Dielectric Constant in an Amphidynamic Crystal
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              5230
_journal_page_last               5233
_journal_paper_doi               10.1021/ja3110335
_journal_volume                  135
_journal_year                    2013
_chemical_formula_sum            'C10 H12 Co D4 K N8'
_chemical_formula_weight         350.36
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           128
_symmetry_cell_setting           tetragonal
_symmetry_space_group_name_Hall  '-P 4 2n'
_symmetry_space_group_name_H-M   'P 4/m n c'
_atom_sites_solution_hydrogens   ..
_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            2
_cell_length_a                   8.277(5)
_cell_length_b                   8.277(5)
_cell_length_c                   11.622(9)
_cell_measurement_reflns_used    1818
_cell_measurement_temperature    280(2)
_cell_measurement_theta_max      27.4468
_cell_measurement_theta_min      3.0207
_cell_volume                     796.2(9)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      280(2)
_diffrn_measured_fraction_theta_full 0.992
_diffrn_measured_fraction_theta_max 0.992
_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  0.0704
_diffrn_reflns_av_sigmaI/netI    0.0213
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            7669
_diffrn_reflns_theta_full        27.47
_diffrn_reflns_theta_max         27.47
_diffrn_reflns_theta_min         3.02
_exptl_absorpt_coefficient_mu    1.342
_exptl_absorpt_correction_T_max  1.0000
_exptl_absorpt_correction_T_min  0.8994
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.462
_exptl_crystal_description       block
_exptl_crystal_F_000             356
_exptl_crystal_size_max          0.3
_exptl_crystal_size_mid          0.2
_exptl_crystal_size_min          0.2
_refine_diff_density_max         0.621
_refine_diff_density_min         -0.398
_refine_diff_density_rms         0.080
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.228
_refine_ls_hydrogen_treatment    ..
_refine_ls_matrix_type           full
_refine_ls_number_parameters     39
_refine_ls_number_reflns         484
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.228
_refine_ls_R_factor_all          0.0498
_refine_ls_R_factor_gt           0.0487
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0517P)^2^+0.8960P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1170
_refine_ls_wR_factor_ref         0.1179
_reflns_number_gt                473
_reflns_number_total             484
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja3110335_si_002_4.cif
_cod_data_source_block           2-280K
_cod_original_cell_volume        796.1(9)
_cod_database_code               4119559