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

using model chemistry: B1B95/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B1B95/6-31G**
 hartrees
Energy at 0K-2440.160087
Energy at 298.15K-2440.162028
Nuclear repulsion energy100.631935
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 B1B95/6-31G**
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' 3204 3059 4.59      
2 A' 3098 2958 16.69      
3 A' 2484 2372 25.01      
4 A' 1492 1424 7.56      
5 A' 1326 1267 10.03      
6 A' 1025 979 19.25      
7 A' 753 719 0.18      
8 A' 596 569 0.12      
9 A" 3214 3068 4.27      
10 A" 1484 1417 4.24      
11 A" 915 874 8.78      
12 A" 157 150 6.10      

Unscaled Zero Point Vibrational Energy (zpe) 9873.9 cm-1
Scaled (by 0.9548) Zero Point Vibrational Energy (zpe) 9427.6 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 B1B95/6-31G**
ABC
3.18846 0.31401 0.30252

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Se1 -0.031 -0.420 0.000
C2 -0.031 1.528 0.000
H3 1.419 -0.547 0.000
H4 -1.078 1.829 0.000
H5 0.452 1.907 0.898
H6 0.452 1.907 -0.898

Atom - Atom Distances (Å)
  Se1 C2 H3 H4 H5 H6
Se11.94791.45562.48012.54032.5403
C21.94792.53201.08901.08751.0875
H31.45562.53203.44672.78672.7867
H42.48011.08903.44671.77551.7755
H52.54031.08752.78671.77551.7954
H62.54031.08752.78671.77551.7954

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 106.015 Se1 C2 H5 110.386
Se1 C2 H6 110.386 C2 Se1 H3 95.036
H4 C2 H5 109.319 H4 C2 H6 109.319
H5 C2 H6 111.267
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Se -0.138      
2 C -0.444      
3 H 0.100      
4 H 0.159      
5 H 0.161      
6 H 0.161      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.565 1.359 0.000 1.472
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.986 -0.895 0.000
y -0.895 -24.055 0.000
z 0.000 0.000 -27.822
Traceless
 xyz
x 1.952 -0.895 0.000
y -0.895 1.849 0.000
z 0.000 0.000 -3.802
Polar
3z2-r2-7.604
x2-y20.069
xy-0.895
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.629 -0.237 0.000
y -0.237 5.822 0.000
z 0.000 0.000 3.886


<r2> (average value of r2) Å2
<r2> 51.948
(<r2>)1/2 7.207