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

using model chemistry: CCSD/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/cc-pVTZ
 hartrees
Energy at 0K-2440.531785
Energy at 298.15K-2440.533810
HF Energy-2440.094299
Nuclear repulsion energy100.529362
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/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' 3182 2995 5.25      
2 A' 3089 2908 17.78      
3 A' 2492 2346 21.35      
4 A' 1501 1413 5.84      
5 A' 1340 1261 10.11      
6 A' 1021 961 15.25      
7 A' 727 684 0.49      
8 A' 613 577 0.02      
9 A" 3191 3003 4.23      
10 A" 1489 1402 3.75      
11 A" 930 876 5.99      
12 A" 201 189 4.79      

Unscaled Zero Point Vibrational Energy (zpe) 9887.6 cm-1
Scaled (by 0.9412) Zero Point Vibrational Energy (zpe) 9306.2 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/cc-pVTZ
ABC
3.19908 0.31311 0.30160

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Se1 -0.031 -0.420 0.000
C2 -0.031 1.530 0.000
H3 1.419 -0.547 0.000
H4 -1.076 1.829 0.000
H5 0.453 1.910 0.893
H6 0.453 1.910 -0.893

Atom - Atom Distances (Å)
  Se1 C2 H3 H4 H5 H6
Se11.95011.45602.48002.54232.5423
C21.95012.53371.08651.08491.0849
H31.45602.53373.44582.78812.7881
H42.48001.08653.44581.77211.7721
H52.54231.08492.78811.77211.7869
H62.54231.08492.78811.77211.7869

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 105.986 Se1 C2 H5 110.524
Se1 C2 H6 110.524 C2 Se1 H3 95.015
H4 C2 H5 109.397 H4 C2 H6 109.397
H5 C2 H6 110.885
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability