Chemistry Reference
In-Depth Information
Figure 16.2
Experimentally observed Hg
II
complexes in crystals. References for the crystal
structures and crystallization conditions are as follows: (a) and (b): 15; (c): 16,17; (d): 18;
(e), (f) and (g): 19; (h) and (i): 20; (j): 24; (k): 23; (l): 25; (m): 26; (n): 21; (o): 27; (p):
22. Solution conditions for crystallization: (a) aqueous mixture of CH
3
HgNO
3
(1 M aqueous
solution) and adenine (67-100 mM aqueous solution) in 1 : 1 ratio; (b) aqueous mixture of
CH
3
HgClO
4
(1 M aqueous solution), NaOH (1 M aqueous solution) and 9-methyladenine in
2 : 1 : 1 ratio; (c) crystallization details are not given; (d) aqueous mixture of CH
3
HgNO
3
or
CH
3
HgClO
4
(1 M aqueous solution) and adenine in 1 : 1 ratio; (e) CH
3
HgOH, CH
3
HgNO
3
(
0.5 M aqueous solution) and 1-methylcytosine (methanol) at 2 : 1 : 1 ratio; (f) CH
3
HgOH
(1 M aqueous solution) and 9-methyladenine (acetonitrile) at 2 : 1 ratio; (g) aqueous mixture
of CH
3
HgNO
3
or CH
3
HgClO
4
(1 M aqueous solution) and adenine (67-100 mM aqueous
solution) in 3 : 1 ratio; (h) 54 mM CH
3
HgOH and 54 mM 7-methylguanine at pH 9-12; (i)
54 mM CH
3
HgOH and 18 mM 7-methylguanine at pH 1-3; (j) 18 mM Hg(O
2
CCH
3
)
3
and
18 mM 1,3-dimethyluracil at pH 3.5; (k) 20 mM Hg(O
2
CCH
3
)(1,3-dimethyluracil-C5)
and 20 mM KCN in water; (l) 47 mM Hg(O
2
CCH
3
)(1,3-dimethyluracil-C5) and 47 mM 9-
methyladenine at pH 1.2; (m) 44 mM Hg(NO
3
)
2
and 88 mM 9-methyladenine at pH 2.5; (n)
6.8 mM HgO and 6.8 mM
trans
-[Pt(NH
3
)
2
(1-methylcytosine)
2
](NO
2
)
2
at pH 5.8; (o) 9.9 mM
Hg(O
2
CCF
3
)
2
and 10 mM
trans
-[Pt(NH
3
)
2
(1-methylcytosine-N4)
2
](NO
2
)
2
, raising pH 1.8 to 2.9
∼
bonds in the crystal phase (Figure 16.3f),
37
-
triphosphate) complex with C5-Hg
II
bonds in H
2
O solution (Figure 16.3g)
37
and
CH
3
Hg
II
- inosine complexes with N1 - Hg
II
bond (pH 8) and an N7-Hg
II
bond (pH
the
Hg
II
- 5
′
- UTP
(uridine - 5
′
<
2)
in H
2
O solution (Figures 3 h,i).
38
Also, Raman spectra of a CH
3
Hg
II
- 5
-
monophosphate) complex in H
2
O (Figure 16.3j), complexes between CH
3
Hg
II
and
5
′
- TMP (thymidine - 5
′
′
- TMP, 5
′
- AMP, 5
′
- GMP and 5
′
- CMP (cytidine - 5
′
- monophosphate) mixtures in
