An n–>pi^*^ interaction reduces the electrophilicity of the acceptor carbonyl group
Amit Choudhary; Charles G. Fry; Kimberli J. Kamer; Ronald T. Raines; Chem.Commun. 49 (2013) 8166–; doi:10.1039/c3cc44573a

data_7109729
_publ_section_title
;
 An n-->pi^*^ interaction reduces the electrophilicity of the acceptor
 carbonyl group
;
_journal_name_full               Chem.Commun.
_journal_page_first              8166
_journal_paper_doi               10.1039/c3cc44573a
_journal_volume                  49
_journal_year                    2013
_chemical_formula_sum            'C9 H14 N2 O4'
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_symmetry_space_group_name_Hall  'P 2ac 2ab'
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_atom_sites_solution_secondary   difmap
_audit_creation_method
;
manual editing of the CIF file 
created by SHELXTL Ver. 6.10
;
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_diffrn_measurement_device_type  'Bruker SMART APEX2 area detector'
_diffrn_measurement_method       '0.60\% \w and 0.6\% \f scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
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;
SADABS  (Bruker-AXS, 2007)
;
_exptl_crystal_colour            colorless
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_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
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'calc w=1/[\s^2^(Fo^2^)+(0.0463P)^2^+0.1924P] where P=(Fo^2^+2Fc^2^)/3'
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