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

using model chemistry: PBEPBE/6-31G

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/6-31G
 hartrees
Energy at 0K-2439.200559
Energy at 298.15K-2439.202500
Nuclear repulsion energy98.178931
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/6-31G
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' 3149 3106 5.70      
2 A' 3033 2992 17.54      
3 A' 2203 2173 78.74      
4 A' 1478 1458 12.52      
5 A' 1320 1302 4.90      
6 A' 1014 1000 29.04      
7 A' 738 728 0.62      
8 A' 544 537 0.42      
9 A" 3156 3112 8.23      
10 A" 1478 1457 10.78      
11 A" 890 878 14.18      
12 A" 188 186 9.28      

Unscaled Zero Point Vibrational Energy (zpe) 9596.2 cm-1
Scaled (by 0.9862) Zero Point Vibrational Energy (zpe) 9463.8 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/6-31G
ABC
3.07586 0.29775 0.28683

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Se1 -0.032 -0.432 0.000
C2 -0.032 1.574 0.000
H3 1.458 -0.532 0.000
H4 -1.089 1.875 0.000
H5 0.460 1.944 0.908
H6 0.460 1.944 -0.908

Atom - Atom Distances (Å)
  Se1 C2 H3 H4 H5 H6
Se12.00561.49322.53672.59012.5901
C22.00562.57971.09851.09701.0970
H31.49322.57973.50362.81952.8195
H42.53671.09853.50361.79641.7964
H52.59011.09702.81951.79641.8164
H62.59011.09702.81951.79641.8164

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 105.881 Se1 C2 H5 109.693
Se1 C2 H6 109.693 C2 Se1 H3 93.858
H4 C2 H5 109.817 H4 C2 H6 109.817
H5 C2 H6 111.769
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Se 0.065      
2 C -0.717      
3 H 0.032      
4 H 0.208      
5 H 0.206      
6 H 0.206      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.757 1.432 0.000 1.619
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.613 -1.023 0.000
y -1.023 -24.645 0.000
z 0.000 0.000 -28.230
Traceless
 xyz
x 1.825 -1.023 0.000
y -1.023 1.776 0.000
z 0.000 0.000 -3.601
Polar
3z2-r2-7.202
x2-y20.032
xy-1.023
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.544 -0.270 0.000
y -0.270 5.661 0.000
z 0.000 0.000 2.727


<r2> (average value of r2) Å2
<r2> 54.106
(<r2>)1/2 7.356