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

using model chemistry: MP2=FULL/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2=FULL/3-21G*
 hartrees
Energy at 0K-2428.888847
Energy at 298.15K-2428.890911
HF Energy-2428.656667
Nuclear repulsion energy99.293503
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 MP2=FULL/3-21G*
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' 3201 3035 4.66      
2 A' 3111 2949 13.99      
3 A' 2496 2366 18.69      
4 A' 1586 1504 7.65      
5 A' 1414 1340 9.64      
6 A' 1055 1000 18.09      
7 A' 756 716 0.69      
8 A' 616 584 0.49      
9 A" 3212 3045 5.33      
10 A" 1577 1495 5.47      
11 A" 968 918 9.11      
12 A" 212 201 7.59      

Unscaled Zero Point Vibrational Energy (zpe) 10101.6 cm-1
Scaled (by 0.948) Zero Point Vibrational Energy (zpe) 9576.3 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 MP2=FULL/3-21G*
ABC
3.13277 0.30503 0.29375

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Se1 -0.032 -0.426 0.000
C2 -0.032 1.553 0.000
H3 1.441 -0.534 0.000
H4 -1.081 1.857 0.000
H5 0.460 1.926 0.899
H6 0.460 1.926 -0.899

Atom - Atom Distances (Å)
  Se1 C2 H3 H4 H5 H6
Se11.97951.47672.51312.56572.5657
C21.97952.55481.09231.09041.0904
H31.47672.55483.47572.79712.7971
H42.51311.09233.47571.78531.7853
H52.56571.09042.79711.78531.7981
H62.56571.09042.79711.78531.7981

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 106.168 Se1 C2 H5 109.986
Se1 C2 H6 109.986 C2 Se1 H3 94.198
H4 C2 H5 109.752 H4 C2 H6 109.752
H5 C2 H6 111.077
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability