BioPHYSICAL chemistry

(singke) #1

Problems


11.1 Write the smallest energy that the oscillator can have in terms of kand m.
11.2 Write the zero-point energy for an electron in terms of kand m.
11.3 Write the energy of the second excited state for an electron in terms of kand m.
11.4 Writethe wavelength of light absorbed for a transition of an electron between adjacent
levels in terms of kand me.
11.5 Calculate the reduced mass of a^12 C^16 O bond.
11.6 Calculate the reduced mass of a^13 C^16 O bond.


CHAPTER 11 VIBRATIONAL MOTION 235


Fe

Figure 11.9The structure of the synthesized H cluster. Modified from
Armstrong (2004).


References


Armstrong, F.A. (2004) Hydrogenases: active site
puzzles and progress. Current Opinion in Chemical
Biology 8 , 133 – 40.
Cammack, R. (1999) Hydrogenase sophistication.
Nature 397 , 214 –15.
Chen, Z., Lemon, B.J., Huang, S. et al. (2002)
Infrared studies of the CO-inhibited form of the
Fe-only hydrogenase from Chlostridium pasteuri-
anum. Biochemistry 41 , 2036 – 43.


Nicolet, Y., Lemon, B.J., Fontecilla-Camps, J.C., and
Peters, J.W. (2000) A novel FeS cluster in Fe-only
hydrogenases. Trends in Biochemical Sciences 25 ,
138 – 43.
Tard, C., Liu, X., Ibrahim, S.K. et al. (2005) Synthesis
of the H-cluster framework of iron-only hydro-
genase. Nature 433 , 610 –13.
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