Ferrocene-modified pyrimidine nucleosides: synthesis, structure and electrochemistry.
Song, Haifeng; Li, Xiaohong; Long, Yitao; Schatte, Gabriele; Kraatz, Heinz-Bernhard; Dalton transactions (Cambridge, England : 2003)  (2006) 4696–4701; doi:10.1039/b608077d

data_7007640
_publ_section_title
;
 Ferrocene-modified pyrimidine nucleosides: synthesis, structure and
 electrochemistry.
;
_journal_issue                   39
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              4696
_journal_page_last               4701
_journal_paper_doi               10.1039/b608077d
_journal_year                    2006
_chemical_formula_moiety         'C19 H20 Fe N2 O5'
_chemical_formula_sum            'C19 H20 Fe N2 O5'
_chemical_formula_weight         412.22
_chemical_name_systematic
;
?
;
_space_group_IT_number           4
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'P 2yb'
_symmetry_space_group_name_H-M   'P 1 21 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           'manual editing of SHELXL template'
_cell_angle_alpha                90.00
_cell_angle_beta                 103.447(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   13.4000(4)
_cell_length_b                   6.4990(2)
_cell_length_c                   20.3140(6)
_cell_measurement_reflns_used    4256
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      27.88
_cell_measurement_theta_min      1.00
_cell_volume                     1720.58(9)
_computing_cell_refinement       'HKL DENZO and SCALEPACK, Bruker AXS/Nonius'
_computing_data_collection       'COLLECT, Bruker AXS/Nonius'
_computing_data_reduction        'HKL DENZO and SCALEPACK, Bruker AXS/Nonius'
_computing_molecular_graphics
' Cameron (WinGX v1.64-05), Ortep (SHELXTL-NT v6.14, Bruker AXS)'
_computing_publication_material  'WinGX v1.64-05 (L. J. Farrugia)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution
' SIR-97 (A. Altomare, G. Cascarano, C. Giacovazzo et al., 1999)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.994
_diffrn_measurement_device       '95mm CCD camera on \k-goniostat'
_diffrn_measurement_device_type  'KappaCCD (BruKer AXS-Nonius, FR540C)'
_diffrn_measurement_method       'CCD rotation images, thick slices'
_diffrn_radiation_monochromator  'horizonally mounted graphite crystal'
_diffrn_radiation_source         'Nonius FR590D, fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0000
_diffrn_reflns_av_sigmaI/netI    0.0624
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       8
_diffrn_reflns_limit_k_min       -7
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       -25
_diffrn_reflns_number            6803
_diffrn_reflns_theta_full        26.37
_diffrn_reflns_theta_max         26.37
_diffrn_reflns_theta_min         3.06
_diffrn_standards_decay_%        'no decay'
_exptl_absorpt_coefficient_mu    0.912
_exptl_absorpt_correction_T_max  0.9306
_exptl_absorpt_correction_T_min  0.8041
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'HKL Scalepack (Otwinowski & Minor 1997)'
_exptl_crystal_colour            orange
_exptl_crystal_density_diffrn    1.591
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       'rectangular plate'
_exptl_crystal_F_000             856
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.08
_refine_diff_density_max         0.275
_refine_diff_density_min         -0.374
_refine_diff_density_rms         0.070
_refine_ls_abs_structure_details
'Flack H D (1983), Acta Cryst. A39, 876-881; 2982 Friedel pairs'
_refine_ls_abs_structure_Flack   -0.008(18)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.049
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     503
_refine_ls_number_reflns         6803
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.049
_refine_ls_R_factor_all          0.0631
_refine_ls_R_factor_gt           0.0482
_refine_ls_shift/su_max          0.015
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0116P)^2^+3.0397P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0927
_refine_ls_wR_factor_ref         0.1022
_reflns_number_gt                5909
_reflns_number_total             6803
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b608077d.txt
_cod_data_source_block           bkhs0501
_cod_original_sg_symbol_H-M      'P 21'
_cod_database_code               7007640