Self-assembled Transition Metal Coordination Frameworks of ...

" F
Ligands
A indicates a typical double-bond nature and the ketone form. The N—N and C—N
bond lengths (Table 2.7) of the carbohydrazone core group are comparable to the
corresponding lengths in bis(methyl 2-pyridyl ketone) carbohydrazone [9], indicate
some electron delocalization in the
'
N(3)/N (4)/C(12)/N
08
(5)/N (6) moiety.
9J
@022 ( C23 O1
~ ' ~ N2
. . C9
C21 3 N5 (:13 Cf C10 N6 ' C12 i N4 , cs \ N3 - 'l;.
czo‘ C19 <
*~ 4
I
v
x.
C11
N7 Q‘ C14 N1 ._ - C5
1' 015 C‘ s C4
C18. \..
Q _ 0
917 # Q C16 c2 _. cab
Fig. 2.18. The molecular stmcture of 1~12L4, with 50% probability displacement
ellipsoids and the atom numbering scheme. H atoms are shown as small spheres of
arbitrary radii.
Table 2.7. Selected bond lengths (A) and angles (°) of HQL4.
0(1)-c(12)
N(3)—C(6)
N(3)—N(4)
N(4)-C(12)
N(5)—N(6)
N(5)-C(12)
N(6)—C(l3)
C(5)-C(6)
c(6)-c(7)
C(l3)—C(l9)
C(13)—C(14)
1.2ll6(18)
1.2945 (19)
1.3662 (17)
1.367 (2)
1.3556 (17)
1.3799 (19)
1.2950 (18)
1.489 (2)
1.4903 (19)
1.482 (2)
1.493 (2)
N(3)-C(6)-C(5
N(3)—C(6)—C(7
0(1)-C(12)-N(4
N(4)—C(l2)-N(5
N(6)-C(13)-C(l9
N(6)-C(l3)—C(l4
C(7)—C(6)—C(5
0(1)-C(12)-N(5
C(19)-C(13)-C(14)
128.10 (13)
112.55 (13)
125.56 (14)
113.51 (13)
128.00 (13)
113.27 (12)
119.35(13)
l20.93(15)
l18.70(12)
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