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

using model chemistry: PBEPBE/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 PBEPBE/cc-pVTZ
 hartrees
Energy at 0K-2441.696027
Energy at 298.15K-2441.697924
Nuclear repulsion energy99.463630
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 PBEPBE/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' 3094 3073 4.50      
2 A' 3001 2980 15.67      
3 A' 2310 2294 20.82      
4 A' 1428 1419 7.09      
5 A' 1261 1252 7.76      
6 A' 968 962 14.12      
7 A' 693 688 0.05      
8 A' 571 567 0.00      
9 A" 3099 3078 3.31      
10 A" 1418 1408 4.40      
11 A" 884 878 7.72      
12 A" 165 164 4.18      

Unscaled Zero Point Vibrational Energy (zpe) 9445.8 cm-1
Scaled (by 0.9931) Zero Point Vibrational Energy (zpe) 9380.6 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 PBEPBE/cc-pVTZ
ABC
3.12004 0.30695 0.29552

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Se1 -0.032 -0.424 0.000
C2 -0.032 1.547 0.000
H3 1.445 -0.553 0.000
H4 -1.086 1.843 0.000
H5 0.455 1.930 0.902
H6 0.455 1.930 -0.902

Atom - Atom Distances (Å)
  Se1 C2 H3 H4 H5 H6
Se11.97131.48252.50062.56742.5674
C21.97132.56701.09531.09371.0937
H31.48252.56703.48532.82092.8209
H42.50061.09533.48531.78741.7874
H52.56741.09372.82091.78741.8035
H62.56741.09372.82091.78741.8035

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 105.686 Se1 C2 H5 110.491
Se1 C2 H6 110.491 C2 Se1 H3 94.967
H4 C2 H5 109.476 H4 C2 H6 109.476
H5 C2 H6 111.072
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Se -0.071      
2 C -0.322      
3 H 0.040      
4 H 0.113      
5 H 0.120      
6 H 0.120      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.471 1.310 0.000 1.392
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.572 -0.806 0.000
y -0.806 -24.628 0.000
z 0.000 0.000 -28.358
Traceless
 xyz
x 1.921 -0.806 0.000
y -0.806 1.836 0.000
z 0.000 0.000 -3.758
Polar
3z2-r2-7.515
x2-y20.056
xy-0.806
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.469 -0.228 0.000
y -0.228 7.003 0.000
z 0.000 0.000 4.593


<r2> (average value of r2) Å2
<r2> 53.127
(<r2>)1/2 7.289