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

using model chemistry: QCISD/6-31G

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/6-31G
 hartrees
Energy at 0K-2437.702685
Energy at 298.15K-2437.704686
HF Energy-2437.528963
Nuclear repulsion energy97.891073
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/6-31G
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' 3166 3051 8.55      
2 A' 3064 2953 21.62      
3 A' 2236 2154 79.79      
4 A' 1528 1472 7.94      
5 A' 1380 1330 9.61      
6 A' 1042 1004 27.35      
7 A' 750 723 1.92      
8 A' 541 521 0.31      
9 A" 3175 3060 11.28      
10 A" 1522 1467 7.36      
11 A" 923 889 9.01      
12 A" 214 206 7.94      

Unscaled Zero Point Vibrational Energy (zpe) 9770.8 cm-1
Scaled (by 0.9636) Zero Point Vibrational Energy (zpe) 9415.1 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/6-31G
ABC
3.09327 0.29495 0.28428

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Se1 -0.032 -0.434 0.000
C2 -0.032 1.582 0.000
H3 1.451 -0.541 0.000
H4 -1.085 1.889 0.000
H5 0.463 1.949 0.905
H6 0.463 1.949 -0.905

Atom - Atom Distances (Å)
  Se1 C2 H3 H4 H5 H6
Se12.01581.48692.55012.59682.5968
C22.01582.58971.09691.09531.0953
H31.48692.58973.51222.82792.8279
H42.55011.09693.51221.79461.7946
H52.59681.09532.82791.79461.8108
H62.59681.09532.82791.79461.8108

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 106.234 Se1 C2 H5 109.588
Se1 C2 H6 109.588 C2 Se1 H3 94.135
H4 C2 H5 109.893 H4 C2 H6 109.893
H5 C2 H6 111.504
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability