on/off Electrochemical switches based on quinone-bisketals
Noelia Fuentes; Luis Alvarez de Cienfuegos; Andres Parra; Duane Choquesillo-Lazarte; Juan Manuel Garcia-Ruiz; M. Luisa Marcos; Elena Bunuel; Maria Ribagorda; M Carmen Carreno; Diego J. Cardenas; Juan M. Cuerva; Chem.Commun. 47 (2011) 1586–; doi:10.1039/c0cc04388e

data_7105905
_publ_section_title
;
 on/off Electrochemical switches based on quinone-bisketals
;
_journal_name_full               Chem.Commun.
_journal_page_first              1586
_journal_paper_doi               10.1039/c0cc04388e
_journal_volume                  47
_journal_year                    2011
_chemical_formula_moiety         'C22 H24 O4'
_chemical_formula_sum            'C22 H24 O4'
_chemical_formula_weight         352.41
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 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                 110.133(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   6.4349(7)
_cell_length_b                   17.3703(19)
_cell_length_c                   8.4716(9)
_cell_measurement_temperature    293(2)
_cell_volume                     889.06(17)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.935
_diffrn_measured_fraction_theta_max 0.935
_diffrn_measurement_device_type  'Bruker X8 Proteum'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  'graded multilayer optics'
_diffrn_radiation_source         'fine-focus rotating anode'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0505
_diffrn_reflns_av_sigmaI/netI    0.0359
_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       -7
_diffrn_reflns_limit_k_max       20
_diffrn_reflns_limit_k_min       -20
_diffrn_reflns_limit_l_max       10
_diffrn_reflns_limit_l_min       -9
_diffrn_reflns_number            8382
_diffrn_reflns_theta_full        66.53
_diffrn_reflns_theta_max         66.53
_diffrn_reflns_theta_min         10.23
_exptl_absorpt_coefficient_mu    0.722
_exptl_absorpt_correction_T_max  0.8871
_exptl_absorpt_correction_T_min  0.8458
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS in APEX2, 2008'
_exptl_crystal_density_diffrn    1.316
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             376
_exptl_crystal_size_max          0.24
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.17
_refine_diff_density_max         0.185
_refine_diff_density_min         -0.188
_refine_diff_density_rms         0.036
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.066
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     120
_refine_ls_number_reflns         1463
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.066
_refine_ls_R_factor_all          0.0407
_refine_ls_R_factor_gt           0.0404
_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^)+(0.0392P)^2^+0.3841P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0983
_refine_ls_wR_factor_ref         0.0986
_reflns_number_gt                1443
_reflns_number_total             1463
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            C0CC04388E.TXT
_cod_data_source_block           compound1a
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to the built-in table from CIF Core dictionary named
'cif_core.dic' version 2.4.1 from
2010-06-29.

'_exptl_absorpt_correction_type' value 'MULTI-SCAN'
changed to 'multi-scan' according to the built-in table from CIF Core
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1646 2011-03-28 12:23:43Z adriana 
;
_cod_original_sg_symbol_H-M      P21/n
_cod_database_code               7105905