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

using model chemistry: CCSD/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CCSD/aug-cc-pVTZ
 hartrees
Energy at 0K-2440.543723
Energy at 298.15K-2440.545747
HF Energy-2440.095037
Nuclear repulsion energy100.576985
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 CCSD/aug-cc-pVTZ
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' 3179 3038 4.53      
2 A' 3087 2950 17.12      
3 A' 2488 2378 18.20      
4 A' 1509 1442 6.13      
5 A' 1348 1288 8.51      
6 A' 1023 977 13.59      
7 A' 731 698 0.40      
8 A' 615 588 0.04      
9 A" 3188 3047 2.78      
10 A" 1495 1429 3.74      
11 A" 935 894 4.98      
12 A" 197 188 3.76      

Unscaled Zero Point Vibrational Energy (zpe) 9896.1 cm-1
Scaled (by 0.9558) Zero Point Vibrational Energy (zpe) 9458.7 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 CCSD/aug-cc-pVTZ
ABC
3.19278 0.31361 0.30205

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Se1 -0.031 -0.419 0.000
C2 -0.031 1.528 0.000
H3 1.420 -0.545 0.000
H4 -1.077 1.827 0.000
H5 0.454 1.906 0.895
H6 0.454 1.906 -0.895

Atom - Atom Distances (Å)
  Se1 C2 H3 H4 H5 H6
Se11.94781.45672.47742.53812.5381
C21.94782.53041.08711.08541.0854
H31.45672.53043.44322.78152.7815
H42.47741.08713.44321.77471.7747
H52.53811.08542.78151.77471.7892
H62.53811.08542.78151.77471.7892

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 105.925 Se1 C2 H5 110.342
Se1 C2 H6 110.342 C2 Se1 H3 94.927
H4 C2 H5 109.544 H4 C2 H6 109.544
H5 C2 H6 111.012
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability