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

using model chemistry: QCISD/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 QCISD/6-311G*
 hartrees
Energy at 0K-2440.284921
Energy at 298.15K-2440.286925
HF Energy-2439.991104
Nuclear repulsion energy99.493604
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 QCISD/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' 3164 3029 7.62      
2 A' 3070 2940 21.41      
3 A' 2320 2221 26.49      
4 A' 1515 1451 8.25      
5 A' 1364 1306 9.48      
6 A' 1022 979 18.85      
7 A' 722 691 0.77      
8 A' 595 569 0.05      
9 A" 3173 3038 7.01      
10 A" 1506 1442 5.71      
11 A" 942 902 9.54      
12 A" 199 191 6.42      

Unscaled Zero Point Vibrational Energy (zpe) 9796.1 cm-1
Scaled (by 0.9574) Zero Point Vibrational Energy (zpe) 9378.8 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 QCISD/6-311G*
ABC
3.12457 0.30736 0.29578

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Se1 -0.032 -0.424 0.000
C2 -0.032 1.545 0.000
H3 1.451 -0.554 0.000
H4 -1.081 1.852 0.000
H5 0.455 1.928 0.898
H6 0.455 1.928 -0.898

Atom - Atom Distances (Å)
  Se1 C2 H3 H4 H5 H6
Se11.96941.48852.50582.56452.5645
C21.96942.56981.09251.09091.0909
H31.48852.56983.49202.82062.8206
H42.50581.09253.49201.78071.7807
H52.56451.09092.82061.78071.7953
H62.56451.09092.82061.78071.7953

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 106.289 Se1 C2 H5 110.551
Se1 C2 H6 110.551 C2 Se1 H3 94.991
H4 C2 H5 109.295 H4 C2 H6 109.295
H5 C2 H6 110.746
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability