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

using model chemistry: MP2=FULL/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 MP2=FULL/6-31G**
 hartrees
Energy at 0K-2438.080737
Energy at 298.15K-2438.082821
HF Energy-2437.773561
Nuclear repulsion energy100.665319
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/6-31G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3280 3065 4.31      
2 A' 3165 2957 15.15      
3 A' 2596 2426 19.48      
4 A' 1550 1448 6.00      
5 A' 1383 1292 13.40      
6 A' 1055 985 18.35      
7 A' 767 716 0.68      
8 A' 609 569 0.11      
9 A" 3290 3074 4.00      
10 A" 1538 1438 3.15      
11 A" 952 889 7.34      
12 A" 231 216 7.10      

Unscaled Zero Point Vibrational Energy (zpe) 10207.8 cm-1
Scaled (by 0.9344) Zero Point Vibrational Energy (zpe) 9538.2 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 MP2=FULL/6-31G**
ABC
3.21886 0.31331 0.30199

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Se1 -0.031 -0.420 0.000
C2 -0.031 1.531 0.000
H3 1.410 -0.549 0.000
H4 -1.073 1.832 0.000
H5 0.452 1.907 0.894
H6 0.452 1.907 -0.894

Atom - Atom Distances (Å)
  Se1 C2 H3 H4 H5 H6
Se11.95101.44662.48142.53902.5390
C21.95102.53051.08481.08331.0833
H31.44662.53053.44032.78352.7835
H42.48141.08483.44031.76971.7697
H52.53901.08332.78351.76971.7874
H62.53901.08332.78351.76971.7874

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 106.107 Se1 C2 H5 110.301
Se1 C2 H6 110.301 C2 Se1 H3 95.130
H4 C2 H5 109.418 H4 C2 H6 109.418
H5 C2 H6 111.164
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability