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

using model chemistry: PBEPBEultrafine/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 PBEPBEultrafine/6-31G*
 hartrees
Energy at 0K-2439.429261
Energy at 298.15K-2439.431233
HF Energy-2439.429261
Nuclear repulsion energy99.327590
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 PBEPBEultrafine/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' 3121 3070 5.19      
2 A' 3022 2972 16.19      
3 A' 2347 2308 30.86      
4 A' 1467 1443 8.23      
5 A' 1294 1273 9.99      
6 A' 990 973 18.65      
7 A' 716 704 0.10      
8 A' 567 558 0.12      
9 A" 3129 3078 4.86      
10 A" 1460 1435 4.61      
11 A" 886 872 9.74      
12 A" 216 212 5.34      

Unscaled Zero Point Vibrational Energy (zpe) 9607.2 cm-1
Scaled (by 0.9835) Zero Point Vibrational Energy (zpe) 9448.7 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 PBEPBEultrafine/6-31G*
ABC
3.07847 0.30718 0.29554

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Se1 -0.032 -0.424 0.000
C2 -0.032 1.546 0.000
H3 1.460 -0.543 0.000
H4 -1.090 1.845 0.000
H5 0.455 1.928 0.907
H6 0.455 1.928 -0.907

Atom - Atom Distances (Å)
  Se1 C2 H3 H4 H5 H6
Se11.97021.49702.50432.56772.5677
C21.97022.56741.09951.09801.0980
H31.49702.56743.49432.81762.8176
H42.50431.09953.49431.79361.7936
H52.56771.09802.81761.79361.8133
H62.56771.09802.81761.79361.8133

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 105.816 Se1 C2 H5 110.367
Se1 C2 H6 110.367 C2 Se1 H3 94.559
H4 C2 H5 109.410 H4 C2 H6 109.410
H5 C2 H6 111.316
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Se -0.154      
2 C -0.566      
3 H 0.126      
4 H 0.196      
5 H 0.199      
6 H 0.199      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.534 1.357 0.000 1.458
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.039 -0.835 -0.021
y -0.835 -24.152 0.002
z -0.021 0.002 -27.981
Traceless
 xyz
x 2.028 -0.835 -0.021
y -0.835 1.858 0.002
z -0.021 0.002 -3.886
Polar
3z2-r2-7.771
x2-y20.113
xy-0.835
xz-0.021
yz0.002


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.756 -0.234 -0.004
y -0.234 5.888 0.001
z -0.004 0.001 3.912


<r2> (average value of r2) Å2
<r2> 52.873
(<r2>)1/2 7.271