Polyunsaturated Dicarboxylate Tethers Connecting Dimolybdenum Redox and Chromophoric Centers: Syntheses, Structures, and Electrochemistry
F. Albert Cotton; James P. Donahue; Carlos A. Murillo; Journal of the American Chemical Society 125 (2003) 5436–5450; doi:10.1021/ja029101i

data_4113699
_publ_section_title
;
 Polyunsaturated Dicarboxylate Tethers Connecting Dimolybdenum Redox and
 Chromophoric Centers: Syntheses, Structures, and Electrochemistry
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              5436
_journal_page_last               5450
_journal_paper_doi               10.1021/ja029101i
_journal_volume                  125
_journal_year                    2003
_chemical_formula_moiety         'H3 C O C (O) (C H = C H)4 C (O) O C H3'
_chemical_formula_sum            'C12 H14 O4'
_chemical_formula_weight         222.23
_chemical_name_common            'texic acid dimethyl ester'
_chemical_name_systematic
;
 Deca-trans,trans,trans,trans-2:4:6:8-tetraene-1,10-dioic acid
 dimethyl ester
;
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                104.439(4)
_cell_angle_beta                 94.001(4)
_cell_angle_gamma                104.544(4)
_cell_formula_units_Z            1
_cell_length_a                   5.9286(12)
_cell_length_b                   6.6599(13)
_cell_length_c                   7.7447(16)
_cell_measurement_reflns_used    959
_cell_measurement_temperature    213(2)
_cell_measurement_theta_max      27.507
_cell_measurement_theta_min      2.744
_cell_volume                     283.77(10)
_computing_cell_refinement       'SAINT V. 6.22'
_computing_data_collection       'SMART V. 5.618'
_computing_data_reduction        'SAINT V. 6.22'
_computing_molecular_graphics    'SHELXTL (Siemens, 1996)'
_computing_publication_material  CIFTAB
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      213(2)
_diffrn_measured_fraction_theta_full 0.946
_diffrn_measured_fraction_theta_max 0.946
_diffrn_measurement_device       'Bruker SMART 1000'
_diffrn_measurement_device_type  'area detector'
_diffrn_measurement_method       'omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'normal-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0082
_diffrn_reflns_av_sigmaI/netI    0.0168
_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       -7
_diffrn_reflns_limit_k_max       5
_diffrn_reflns_limit_k_min       -8
_diffrn_reflns_limit_l_max       9
_diffrn_reflns_limit_l_min       -9
_diffrn_reflns_number            1979
_diffrn_reflns_theta_full        27.51
_diffrn_reflns_theta_max         27.51
_diffrn_reflns_theta_min         2.74
_diffrn_standards_number         'none (area detector data)'
_exptl_absorpt_coefficient_mu    0.098
_exptl_absorpt_correction_T_max  0.9909
_exptl_absorpt_correction_T_min  0.9576
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            'pale yellow'
_exptl_crystal_density_diffrn    1.300
_exptl_crystal_description       column
_exptl_crystal_F_000             118
_exptl_crystal_size_max          0.45
_exptl_crystal_size_mid          0.19
_exptl_crystal_size_min          0.09
_refine_diff_density_max         0.223
_refine_diff_density_min         -0.162
_refine_diff_density_rms         0.038
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.078
_refine_ls_hydrogen_treatment    noref
_refine_ls_matrix_type           full
_refine_ls_number_parameters     89
_refine_ls_number_reflns         1236
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.078
_refine_ls_R_factor_all          0.0512
_refine_ls_R_factor_gt           0.0392
_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^)+(0.0548P)^2^+0.0534P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1046
_refine_ls_wR_factor_ref         0.1128
_reflns_number_gt                976
_reflns_number_total             1236
_reflns_threshold_expression     I>2sigma(I)
_cod_data_source_file            ja029101isi20030123_021228_06.cif
_cod_data_source_block           xl
_cod_database_code               4113699