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_7105907
_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 H20 O4'
_chemical_formula_sum            'C22 H20 O4'
_chemical_formula_weight         348.38
_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                 102.11(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   10.222(2)
_cell_length_b                   7.6590(15)
_cell_length_c                   22.493(5)
_cell_measurement_temperature    100(2)
_cell_volume                     1721.8(6)
_computing_cell_refinement       'HKL2000 (Otwinowski & Minor, 1997)'
_computing_data_collection       'MxCube (ESRF, 2006)'
_computing_data_reduction        'HKL2000 (Otwinowski & Minor, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector                 'CCD plate'
_diffrn_detector_area_resol_mean 9.6
_diffrn_measured_fraction_theta_full 0.960
_diffrn_measured_fraction_theta_max 0.960
_diffrn_measurement_device_type  'Single-axis HUBER diffractometer'
_diffrn_measurement_method       'CCD rotation images, thick slices'
_diffrn_radiation_detector       'ADSC Q210r CCD (binned mode)'
_diffrn_radiation_monochromator  'Si 111'
_diffrn_radiation_probe          x-ray
_diffrn_radiation_wavelength     0.75130
_diffrn_reflns_av_R_equivalents  0.0000
_diffrn_reflns_av_sigmaI/netI    0.0672
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       26
_diffrn_reflns_limit_l_min       -10
_diffrn_reflns_number            2986
_diffrn_reflns_theta_full        26.79
_diffrn_reflns_theta_max         26.79
_diffrn_reflns_theta_min         2.17
_diffrn_source                   synchrotron
_diffrn_source_type              'ESRF-CRG BM16'
_exptl_absorpt_coefficient_mu    0.092
_exptl_crystal_density_diffrn    1.344
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             736
_refine_diff_density_max         0.453
_refine_diff_density_min         -0.322
_refine_diff_density_rms         0.080
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.152
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     236
_refine_ls_number_reflns         2986
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.152
_refine_ls_R_factor_all          0.0752
_refine_ls_R_factor_gt           0.0748
_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^)+(0.1279P)^2^+2.9689P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2534
_refine_ls_wR_factor_ref         0.2537
_reflns_number_gt                2926
_reflns_number_total             2986
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            C0CC04388E.TXT
_cod_data_source_block           compound3a
_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.

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               7105907