Inorg. Chem. 2008. Name:____________________ Student number:______________________ (A)
(1) Give electron configuration for the following: (3 分/小題)
(a) Cr2+:
(b) Cr:
(c) Cu+:
(d) S:
(2) Slater’s rule:
For Iron (Fe), Z = 26, determine the effective nuclear charge (Z*) for the following: (3 分/小題)
(a) Its 3d electron:
(b) Its 4s electron:
(3) Draw Lewis dot structures, give formal charge for each atom, and determine their point groups for
the following: (with lone pairs and chemical bonds, reasonable formal charge distribution and draw
resonance structures if necessary)
(2+1+1 分/小題)
(a) BrF3
(b) XeO2F2
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(c) ClOF4-
(d) ClO3-
(e) O3
(f) XeO3F2
(g) N3-
(h) P4O10
H
H
H
H
H
(4) Determine the point groups for the following substituted cyclobutane. Assume that the
cyclobutane, C4H8, itself has D4h point group, and replacing H with F or Cl causes no
other structural distortions.
(2 分/小題)
F
H
Cl
F
H
H
F
H
H
F
F
F
F
F
H
(e)
(c)
H
H
H
H
H
Cl
F
F
H
H
F
F
F
(d)
(b)
H
H
F
H
(f)
H
H
H
H
H
H
F
Cl
H
H
H
(a)
F
H
H
H
H
H
H
H
(5) For Mn(CO)5I, determine the IR-active and Raman-active C-O stretching vibrational modes,
respectively. (8 分)
I
O
C
O
C
Mn
C
O
C
C
O
O
2
單選題：(2 分/題)
(6) Siderophiles are (a) rock-loving elements (b) sulfur-loving elements (c) money-loving elements (d)
gas-loving elements (e) iron-loving elements (f) silicon-loving elements.
(7) Which of the following scientists used X-ray emission to determine nuclear charges? (a) A. H.
Becquerel (b) E. Rutherford (c) J. J. Thomson (d) H. G. J. Moseley (e) M. Curie (f) W. Röntgen.
(8) Which of the following kinds of radiation is used in electron spin resonance to flip the electron spins?
(a) γ-ray (b) X-ray (c) UV (d) IR (e) microwave (f) radio waves.
(9) How many spherical nodes does a 4p-orbital have? (a) 0 (b) 1 (c) 2 (d) 3 (e) 4
(10) How do you name the shape of SF4 (a) seesaw (b) tetrahedral (c) square planar (d) trigonal
bipyramidal (e) square pyramidal
(11) Xenon tetrafluoride, XeF4, was found by a famous chemist at UC Berkeley, Neil Bartlett, who
passed away (1932-2008) recently. To commemorate him, please answer the following questions.
(11-a)
Draw the Lewis dot structure of XeF4, with both lone pairs and bonds. (2 分)
(11-b)
Assign the point group of XeF4. (2 分)
(11-c)
How many vibrational modes does XeF4 have? (2 分)
(11-d)
What are the symmetries (irreducible representations) for the translations of XeF4? (2 分)
(11-e)
What are the symmetries for the rotations of XeF4? (2 分)
(11-f)
What are the symmetries for all the vibrational modes of XeF4? (2 分)
(11-g)
What are the IR-active vibrational modes of XeF4? (4 分)
(11-h)
What are the Raman-active vibrational modes of XeF4? (4 分)
(推導過程請寫在以下空白處，或考卷背後，只寫答案者，不予給分)
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