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

using model chemistry: PBEPBE/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBEPBE/6-311G**
 hartrees
Energy at 0K-2441.612968
Energy at 298.15K-2441.614858
Nuclear repulsion energy99.252008
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 PBEPBE/6-311G**
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' 3099 3071 5.39      
2 A' 3003 2975 17.34      
3 A' 2298 2277 24.10      
4 A' 1431 1418 8.79      
5 A' 1268 1256 9.00      
6 A' 971 963 17.54      
7 A' 698 692 0.11      
8 A' 568 562 0.00      
9 A" 3104 3076 4.77      
10 A" 1421 1408 5.74      
11 A" 886 878 10.23      
12 A" 160 159 5.49      

Unscaled Zero Point Vibrational Energy (zpe) 9452.8 cm-1
Scaled (by 0.9909) Zero Point Vibrational Energy (zpe) 9366.8 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 PBEPBE/6-311G**
ABC
3.11263 0.30542 0.29410

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Se1 -0.032 -0.426 0.000
C2 -0.032 1.551 0.000
H3 1.446 -0.548 0.000
H4 -1.088 1.848 0.000
H5 0.455 1.935 0.903
H6 0.455 1.935 -0.903

Atom - Atom Distances (Å)
  Se1 C2 H3 H4 H5 H6
Se11.97631.48302.50662.57402.5740
C21.97632.56691.09711.09571.0957
H31.48302.56693.48722.82232.8223
H42.50661.09713.48721.78971.7897
H52.57401.09572.82231.78971.8068
H62.57401.09572.82231.78971.8068

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 105.711 Se1 C2 H5 110.539
Se1 C2 H6 110.539 C2 Se1 H3 94.737
H4 C2 H5 109.411 H4 C2 H6 109.411
H5 C2 H6 111.081
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Se -0.092      
2 C -0.435      
3 H 0.064      
4 H 0.150      
5 H 0.157      
6 H 0.157      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.548 1.319 0.000 1.428
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.437 -0.851 0.000
y -0.851 -24.524 0.000
z 0.000 0.000 -28.472
Traceless
 xyz
x 2.060 -0.851 0.000
y -0.851 1.930 0.000
z 0.000 0.000 -3.991
Polar
3z2-r2-7.981
x2-y20.087
xy-0.851
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.100 -0.238 0.000
y -0.238 6.458 0.000
z 0.000 0.000 4.028


<r2> (average value of r2) Å2
<r2> 53.271
(<r2>)1/2 7.299