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

using model chemistry: CCD/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CCD/6-31G(2df,p)
 hartrees
Energy at 0K-2438.297038
Energy at 298.15K-2438.299120
HF Energy-2437.946099
Nuclear repulsion energy101.022798
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 CCD/6-31G(2df,p)
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' 3221 3050 2.83      
2 A' 3124 2959 11.65      
3 A' 2553 2418 15.06      
4 A' 1522 1442 6.09      
5 A' 1357 1286 6.47      
6 A' 1032 977 15.68      
7 A' 743 704 0.24      
8 A' 647 613 0.01      
9 A" 3229 3059 2.50      
10 A" 1511 1432 3.69      
11 A" 937 887 6.10      
12 A" 225 213 4.58      

Unscaled Zero Point Vibrational Energy (zpe) 10050.3 cm-1
Scaled (by 0.9472) Zero Point Vibrational Energy (zpe) 9519.7 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 CCD/6-31G(2df,p)
ABC
3.19708 0.31740 0.30556

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Se1 -0.031 -0.417 0.000
C2 -0.031 1.517 0.000
H3 1.422 -0.557 0.000
H4 -1.076 1.826 0.000
H5 0.451 1.908 0.893
H6 0.451 1.908 -0.893

Atom - Atom Distances (Å)
  Se1 C2 H3 H4 H5 H6
Se11.93431.46002.47462.53682.5368
C21.93432.53221.08911.08751.0875
H31.46002.53223.45202.79522.7952
H42.47461.08913.45201.77051.7705
H52.53681.08752.79521.77051.7860
H62.53681.08752.79521.77051.7860

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 106.492 Se1 C2 H5 111.055
Se1 C2 H6 111.055 C2 Se1 H3 95.477
H4 C2 H5 108.859 H4 C2 H6 108.859
H5 C2 H6 110.397
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability