Skip to main content
. Author manuscript; available in PMC: 2009 Dec 1.
Published in final edited form as: Inorg Chem. 2008 Dec 1;47(23):10875–10888. doi: 10.1021/ic8009817

Table 2.

Spectroscopic values for Hg(II)/TRILXC complexes.

Hg Coordination Mode λ(Δε)a pKa RHgS (Å)b δ (199Hg ppm)
Linear 2-coordinate 240 (2700)c - 2.32c −844d
Trigonal 3-coordinate a site 247 (19200)e - 2.44f −185d
265 (11900)e
295 (5800)e
Trigonal 3-coordinate d site 230 (21300)g - 2.44f −316g
247 (15000)g
297 (5500)g
Linear 2-coordinate within a 3-stranded coiled coil 247 (2000)i 7.6±0.2f - −908d
8.5±0.2h
Tetrahedral 4-coordinate 230 (8100) - - −500
TRIL12CL16C 289 (7100)
TRIL9CL12C 252 (6300) - - −308 ppm
289 (6800) −400 ppm
a

λ given in nm and Δε given as M−1 cm−1.

b

Average Hg-S EXAFS bond lengths.

c

Data for TRIL16C from Reference 15.

d

Data for TRIL9C from Reference 44

e

Data for TRIL16C from Reference 29.

f

Data for the a site peptide TRIL9C from Reference 62.

g

Data for TRIL12C from Reference 44.

h

Data for the d site peptide TRIL12C from Reference 29.

i

Data for TRIL12C from Reference 63.