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All results from a given calculation for CH3SeH (Methane selenol)

using model chemistry: mPW1PW91/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at mPW1PW91/cc-pVTZ
 hartrees
Energy at 0K-2442.296439
Energy at 298.15K-2442.298401
Nuclear repulsion energy100.390069
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at mPW1PW91/cc-pVTZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3182 3052 4.00      
2 A' 3086 2960 16.20      
3 A' 2417 2319 19.35      
4 A' 1482 1421 7.25      
5 A' 1316 1263 7.71      
6 A' 1009 968 15.71      
7 A' 722 692 0.16      
8 A' 604 579 0.00      
9 A" 3189 3059 3.00      
10 A" 1470 1410 4.75      
11 A" 921 884 7.60      
12 A" 170 163 4.84      

Unscaled Zero Point Vibrational Energy (zpe) 9783.6 cm-1
Scaled (by 0.9592) Zero Point Vibrational Energy (zpe) 9384.4 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at mPW1PW91/cc-pVTZ
ABC
3.18019 0.31267 0.30106

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Se1 -0.031 -0.420 0.000
C2 -0.031 1.532 0.000
H3 1.429 -0.559 0.000
H4 -1.076 1.830 0.000
H5 0.452 1.912 0.894
H6 0.452 1.912 -0.894

Atom - Atom Distances (Å)
  Se1 C2 H3 H4 H5 H6
Se11.95241.46712.48152.54452.5445
C21.95242.55051.08681.08511.0851
H31.46712.55053.46212.80382.8038
H42.48151.08683.46211.77251.7725
H52.54451.08512.80381.77251.7881
H62.54451.08512.80381.77251.7881

picture of Methane selenol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Se1 C2 H4 105.933 Se1 C2 H5 110.516
Se1 C2 H6 110.516 C2 Se1 H3 95.418
H4 C2 H5 109.394 H4 C2 H6 109.394
H5 C2 H6 110.954
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Se -0.090      
2 C -0.278      
3 H 0.047      
4 H 0.102      
5 H 0.109      
6 H 0.109      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.517 1.361 0.000 1.456
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.341 -0.876 0.000
y -0.876 -24.424 0.000
z 0.000 0.000 -28.125
Traceless
 xyz
x 1.934 -0.876 0.000
y -0.876 1.809 0.000
z 0.000 0.000 -3.743
Polar
3z2-r2-7.485
x2-y20.083
xy-0.876
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.289 -0.227 0.000
y -0.227 6.776 0.000
z 0.000 0.000 4.466


<r2> (average value of r2) Å2
<r2> 52.323
(<r2>)1/2 7.233