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

using model chemistry: PBEPBE/STO-3G

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/STO-3G
 hartrees
Energy at 0K-2414.419491
Energy at 298.15K-2414.421307
Nuclear repulsion energy99.915513
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/STO-3G
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' 3432 3135 0.39      
2 A' 3246 2965 1.36      
3 A' 2529 2311 13.09      
4 A' 1640 1498 6.50      
5 A' 1473 1346 4.80      
6 A' 1099 1004 20.57      
7 A' 813 743 2.07      
8 A' 670 612 0.72      
9 A" 3411 3116 2.41      
10 A" 1634 1493 5.68      
11 A" 1007 920 2.19      
12 A" 97 89 13.59      

Unscaled Zero Point Vibrational Energy (zpe) 10525.1 cm-1
Scaled (by 0.9136) Zero Point Vibrational Energy (zpe) 9615.7 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/STO-3G
ABC
3.12522 0.31061 0.29887

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Se1 -0.032 -0.424 0.000
C2 -0.032 1.529 0.000
H3 1.439 -0.505 0.000
H4 -1.082 1.870 0.000
H5 0.465 1.935 0.900
H6 0.465 1.935 -0.900

Atom - Atom Distances (Å)
  Se1 C2 H3 H4 H5 H6
Se11.95251.47392.52242.57342.5734
C21.95252.51021.10361.10561.1056
H31.47392.51023.46352.77722.7772
H42.52241.10363.46351.79091.7909
H52.57341.10562.77721.79091.7992
H62.57341.10562.77721.79091.7992

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 108.006 Se1 C2 H5 111.580
Se1 C2 H6 111.580 C2 Se1 H3 93.151
H4 C2 H5 108.324 H4 C2 H6 108.324
H5 C2 H6 108.918
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Se 0.031      
2 C -0.309      
3 H 0.003      
4 H 0.096      
5 H 0.090      
6 H 0.090      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.924 1.112 0.000 1.445
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.763 -0.879 0.000
y -0.879 -23.291 0.000
z 0.000 0.000 -25.141
Traceless
 xyz
x 1.454 -0.879 0.000
y -0.879 0.661 0.000
z 0.000 0.000 -2.114
Polar
3z2-r2-4.229
x2-y20.529
xy-0.879
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.300 -0.286 0.000
y -0.286 2.905 0.000
z 0.000 0.000 1.010


<r2> (average value of r2) Å2
<r2> 51.529
(<r2>)1/2 7.178