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

using model chemistry: MP2/LANL2DZ

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/LANL2DZ
 hartrees
Energy at 0K-49.311412
Energy at 298.15K-49.313438
HF Energy-49.175898
Nuclear repulsion energy26.509182
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/LANL2DZ
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' 3181 3063 15.14      
2 A' 3058 2945 34.17      
3 A' 2327 2241 67.54      
4 A' 1509 1454 6.79      
5 A' 1402 1350 5.15      
6 A' 1042 1004 27.73      
7 A' 731 704 0.56      
8 A' 572 551 0.09      
9 A" 3187 3070 22.33      
10 A" 1499 1444 7.01      
11 A" 957 922 16.24      
12 A" 221 213 8.46      

Unscaled Zero Point Vibrational Energy (zpe) 9842.7 cm-1
Scaled (by 0.9631) Zero Point Vibrational Energy (zpe) 9479.5 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/LANL2DZ
ABC
3.09179 0.29314 0.28248

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/LANL2DZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Se1 -0.032 -0.435 0.000
C2 -0.032 1.584 0.000
H3 1.454 -0.566 0.000
H4 -1.088 1.895 0.000
H5 0.462 1.971 0.902
H6 0.462 1.971 -0.902

Atom - Atom Distances (Å)
  Se1 C2 H3 H4 H5 H6
Se12.01881.49212.55782.61662.6166
C22.01882.61371.10081.09931.0993
H31.49212.61373.53822.86942.8694
H42.55781.10083.53821.79561.7956
H52.61661.09932.86941.79561.8045
H62.61661.09932.86941.79561.8045

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 106.406 Se1 C2 H5 110.611
Se1 C2 H6 110.611 C2 Se1 H3 95.041
H4 C2 H5 109.403 H4 C2 H6 109.403
H5 C2 H6 110.318
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability