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

using model chemistry: mPW1PW91/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at mPW1PW91/6-311G*
 hartrees
Energy at 0K-2442.201981
Energy at 298.15K-2442.203944
Nuclear repulsion energy100.086744
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 mPW1PW91/6-311G*
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' 3187 3041 7.13      
2 A' 3090 2949 22.50      
3 A' 2367 2260 23.73      
4 A' 1503 1434 9.99      
5 A' 1341 1280 8.54      
6 A' 1018 972 21.33      
7 A' 726 693 0.30      
8 A' 599 572 0.02      
9 A" 3194 3049 6.46      
10 A" 1494 1426 6.70      
11 A" 930 887 11.33      
12 A" 173 165 5.99      

Unscaled Zero Point Vibrational Energy (zpe) 9810.8 cm-1
Scaled (by 0.9544) Zero Point Vibrational Energy (zpe) 9363.4 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 mPW1PW91/6-311G*
ABC
3.15973 0.31101 0.29936

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Se1 -0.032 -0.422 0.000
C2 -0.032 1.535 0.000
H3 1.440 -0.550 0.000
H4 -1.077 1.839 0.000
H5 0.451 1.920 0.895
H6 0.451 1.920 -0.895

Atom - Atom Distances (Å)
  Se1 C2 H3 H4 H5 H6
Se11.95711.47692.49062.55262.5526
C21.95712.55221.08841.08691.0869
H31.47692.55223.46992.80652.8065
H42.49061.08843.46991.77271.7727
H52.55261.08692.80651.77271.7894
H62.55261.08692.80651.77271.7894

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 106.189 Se1 C2 H5 110.703
Se1 C2 H6 110.703 C2 Se1 H3 94.980
H4 C2 H5 109.158 H4 C2 H6 109.158
H5 C2 H6 110.800
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Se -0.135      
2 C -0.772      
3 H 0.144      
4 H 0.252      
5 H 0.256      
6 H 0.256      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.575 1.377 0.000 1.492
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.208 -0.906 0.000
y -0.906 -24.440 0.000
z 0.000 0.000 -28.390
Traceless
 xyz
x 2.207 -0.906 0.000
y -0.906 1.859 0.000
z 0.000 0.000 -4.066
Polar
3z2-r2-8.133
x2-y20.232
xy-0.906
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.892 -0.237 0.000
y -0.237 6.188 0.000
z 0.000 0.000 3.871


<r2> (average value of r2) Å2
<r2> 52.566
(<r2>)1/2 7.250