return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: BLYP/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 BLYP/6-31G
 hartrees
Energy at 0K-2439.633466
Energy at 298.15K-2439.635394
Nuclear repulsion energy97.234085
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 BLYP/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' 3128 3104 9.48      
2 A' 3022 2999 20.47      
3 A' 2173 2157 88.03      
4 A' 1486 1474 9.55      
5 A' 1315 1305 10.37      
6 A' 1005 997 25.72      
7 A' 727 722 0.50      
8 A' 517 514 0.80      
9 A" 3136 3112 12.31      
10 A" 1484 1473 8.15      
11 A" 882 875 12.07      
12 A" 197 196 6.93      

Unscaled Zero Point Vibrational Energy (zpe) 9535.8 cm-1
Scaled (by 0.9924) Zero Point Vibrational Energy (zpe) 9463.3 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 BLYP/6-31G
ABC
3.06529 0.29058 0.28008

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Se1 -0.032 -0.437 0.000
C2 -0.032 1.596 0.000
H3 1.462 -0.535 0.000
H4 -1.089 1.893 0.000
H5 0.462 1.960 0.908
H6 0.462 1.960 -0.908

Atom - Atom Distances (Å)
  Se1 C2 H3 H4 H5 H6
Se12.03321.49752.55872.61032.6103
C22.03322.60331.09761.09601.0960
H31.49752.60333.52232.83742.8374
H42.55871.09763.52231.79861.7986
H52.61031.09602.83741.79861.8163
H62.61031.09602.83741.79861.8163

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 105.705 Se1 C2 H5 109.370
Se1 C2 H6 109.370 C2 Se1 H3 93.772
H4 C2 H5 110.151 H4 C2 H6 110.151
H5 C2 H6 111.900
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Se 0.068      
2 C -0.604      
3 H 0.011      
4 H 0.175      
5 H 0.175      
6 H 0.175      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.666 1.386 0.000 1.538
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.747 -0.933 0.000
y -0.933 -24.659 0.000
z 0.000 0.000 -28.244
Traceless
 xyz
x 1.704 -0.933 0.000
y -0.933 1.837 0.000
z 0.000 0.000 -3.541
Polar
3z2-r2-7.082
x2-y2-0.089
xy-0.933
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.553 -0.275 0.000
y -0.275 5.801 0.000
z 0.000 0.000 2.711


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