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

using model chemistry: B3PW91/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3PW91/6-31+G**
 hartrees
Energy at 0K-2439.877238
Energy at 298.15K-2439.879159
Nuclear repulsion energy100.544957
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 B3PW91/6-31+G**
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' 3181 3055 4.66      
2 A' 3080 2957 20.33      
3 A' 2427 2330 26.47      
4 A' 1488 1428 9.16      
5 A' 1339 1285 8.62      
6 A' 1033 992 21.37      
7 A' 744 714 0.53      
8 A' 598 575 0.01      
9 A" 3187 3060 2.83      
10 A" 1475 1417 5.27      
11 A" 945 907 9.19      
12 A" 140 134 7.48      

Unscaled Zero Point Vibrational Energy (zpe) 9818.4 cm-1
Scaled (by 0.9601) Zero Point Vibrational Energy (zpe) 9426.6 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 B3PW91/6-31+G**
ABC
3.18399 0.31375 0.30220

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Se1 -0.031 -0.419 0.000
C2 -0.031 1.527 0.000
H3 1.422 -0.566 0.000
H4 -1.081 1.828 0.000
H5 0.451 1.918 0.897
H6 0.451 1.918 -0.897

Atom - Atom Distances (Å)
  Se1 C2 H3 H4 H5 H6
Se11.94661.46002.48072.54922.5492
C21.94662.54811.09181.09041.0904
H31.46002.54813.46342.81352.8135
H42.48071.09183.46341.77721.7772
H52.54921.09042.81351.77721.7932
H62.54921.09042.81351.77721.7932

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 106.014 Se1 C2 H5 110.984
Se1 C2 H6 110.984 C2 Se1 H3 95.774
H4 C2 H5 109.049 H4 C2 H6 109.049
H5 C2 H6 110.623
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Se -0.153      
2 C -0.528      
3 H 0.112      
4 H 0.186      
5 H 0.191      
6 H 0.191      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.633 1.461 0.000 1.592
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.320 -0.962 0.000
y -0.962 -24.506 0.000
z 0.000 0.000 -28.556
Traceless
 xyz
x 2.211 -0.962 0.000
y -0.962 1.932 0.000
z 0.000 0.000 -4.143
Polar
3z2-r2-8.285
x2-y20.186
xy-0.962
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.876 -0.205 0.000
y -0.205 6.445 0.000
z 0.000 0.000 4.956


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000