The crystal and molecular structure of .DELTA.-(8-methyl-1,3,6,10,13,16,19-heptaazabicyclo(6.6.6)icosane)cobalt(III) perchlorate monohydrate.
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The structure of <I>Δ</I>-(8-methyl-1,3,6,10,13,16,19-heptaazabicyclo[6.6.6]icosane)cobalt(III) perchlorate monohydrate, <I>Δ</I>-[Co(C<SUB>14</SUB>H<SUB>33</SUB>N<SUB>7</SUB>)](ClO<SUB>4</SUB>)<SUB>3</SUB>·H<SUB>2</SUB>O, has been determined by single crystal X-ray diffraction techniques. Crystal data are the following: space group <I>P</I>2<SUB>1</SUB>2<SUB>1</SUB>2<SUB>1</SUB>, a=16.379(2) Å, <I>b</I>=16.388(2) Å, <I>c</I>=9.753(1) Å, <I>V</I>=2617.9(5) Å<SUP>3</SUP>, Z=4, 3983 nonzero structure factors (|<I>F</I><SUB>o</SUB>|>3σ(|<I>F</I><SUB>o</SUB>|)), <I>R</I>=0.0447, and <I>R</I><SUB>w</SUB>=0.0491. The geometry of the cation can be approximated very closely by a composite of [Co(sen)]<SUP>3+</SUP> and [Co(sep)]<SUP>3+</SUP>, where sen=1,1,1-tris(4-amino-2-azabutyl)ethane and sep=1,3,6,8,10,13,16,19-octaazabicyclo[6.6.6]icosane.
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