Acyloxybutadiene tricarbonyl iron complexes as enzyme-triggered CO-releasing molecules (ET-CORMs): a structure-activity relationship study.
Romanski, Steffen; Kraus, Birgit; Guttentag, Miguel; Schlundt, Waldemar; Rücker, Hannelore; Adler, Andreas; Neudörfl, Jörg-Martin; Alberto, Roger; Amslinger, Sabine; Schmalz, Hans-Günther; Dalton transactions (Cambridge, England : 2003) 41 (2012) 13862–13875; doi:10.1039/c2dt30662j

data_7020141
_publ_section_title
;
 Acyloxybutadiene tricarbonyl iron complexes as enzyme-triggered
 CO-releasing molecules (ET-CORMs): a structure-activity relationship
 study.
;
_journal_issue                   45
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              13862
_journal_page_last               13875
_journal_paper_doi               10.1039/c2dt30662j
_journal_volume                  41
_journal_year                    2012
_chemical_formula_moiety         'C21 H28 Fe O7'
_chemical_formula_sum            'C21 H28 Fe O7'
_chemical_formula_weight         448.28
_chemical_name_systematic
;
?
;
_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                75.189(4)
_cell_angle_beta                 86.972(3)
_cell_angle_gamma                89.571(3)
_cell_formula_units_Z            4
_cell_length_a                   11.0195(8)
_cell_length_b                   13.4293(8)
_cell_length_c                   16.2464(10)
_cell_measurement_reflns_used    15189
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      27.00
_cell_measurement_theta_min      1.30
_cell_volume                     2321.0(3)
_computing_cell_refinement       'Nonius DENZO (Otwinowski, Minor 1997)'
_computing_data_collection       'Nonius COLLECT'
_computing_data_reduction        'Nonius DENZO (Otwinowski, Minor 1997)'
_computing_molecular_graphics    'SCHAKAL99 (E. Keller 1999)'
_computing_publication_material  'PLATON (A. L. Spek 1980-2004)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      150(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Nonius KappaCCD'
_diffrn_measurement_method       Phi/Omega-Scans
_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  0.0534
_diffrn_reflns_av_sigmaI/netI    0.1434
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            15189
_diffrn_reflns_theta_full        27.00
_diffrn_reflns_theta_max         27.00
_diffrn_reflns_theta_min         1.30
_exptl_absorpt_coefficient_mu    0.685
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.283
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             944
_exptl_crystal_size_max          .2
_exptl_crystal_size_mid          .2
_exptl_crystal_size_min          .1
_refine_diff_density_max         0.560
_refine_diff_density_min         -0.420
_refine_diff_density_rms         0.077
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.956
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     539
_refine_ls_number_reflns         10119
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.956
_refine_ls_R_factor_all          0.1565
_refine_ls_R_factor_gt           0.0667
_refine_ls_shift/su_max          0.006
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0848P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1514
_refine_ls_wR_factor_ref         0.1848
_reflns_number_gt                5007
_reflns_number_total             10119
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c2dt30662j.txt
_cod_data_source_block           rac-14
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               7020141