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

using model chemistry: B3LYP/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3LYP/STO-3G
 hartrees
Energy at 0K-2414.895547
Energy at 298.15K-2414.897451
Nuclear repulsion energy100.112650
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 B3LYP/STO-3G
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' 3495 3119 0.24      
2 A' 3310 2953 0.96      
3 A' 2612 2331 10.41      
4 A' 1681 1500 5.63      
5 A' 1517 1354 6.20      
6 A' 1126 1005 21.71      
7 A' 828 739 2.60      
8 A' 683 609 0.80      
9 A" 3477 3103 2.25      
10 A" 1675 1495 5.13      
11 A" 1030 919 1.68      
12 A" 137 122 12.55      

Unscaled Zero Point Vibrational Energy (zpe) 10784.6 cm-1
Scaled (by 0.8924) Zero Point Vibrational Energy (zpe) 9624.2 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 B3LYP/STO-3G
ABC
3.16175 0.31109 0.29946

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Se1 -0.032 -0.423 0.000
C2 -0.032 1.528 0.000
H3 1.429 -0.510 0.000
H4 -1.075 1.871 0.000
H5 0.465 1.931 0.895
H6 0.465 1.931 -0.895

Atom - Atom Distances (Å)
  Se1 C2 H3 H4 H5 H6
Se11.95161.46392.52052.56752.5675
C21.95162.50811.09821.10001.1000
H31.46392.50813.45592.77342.7734
H42.52051.09823.45591.78231.7823
H52.56751.10002.77341.78231.7898
H62.56751.10002.77341.78231.7898

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 108.187 Se1 C2 H5 111.494
Se1 C2 H6 111.494 C2 Se1 H3 93.397
H4 C2 H5 108.341 H4 C2 H6 108.341
H5 C2 H6 108.883
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Se 0.051      
2 C -0.301      
3 H -0.011      
4 H 0.091      
5 H 0.085      
6 H 0.085      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.891 1.080 0.000 1.400
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.914 -0.872 0.000
y -0.872 -23.404 0.000
z 0.000 0.000 -25.165
Traceless
 xyz
x 1.371 -0.872 0.000
y -0.872 0.635 0.000
z 0.000 0.000 -2.007
Polar
3z2-r2-4.013
x2-y20.490
xy-0.872
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.298 -0.305 0.000
y -0.305 2.939 0.000
z 0.000 0.000 1.020


<r2> (average value of r2) Å2
<r2> 51.484
(<r2>)1/2 7.175