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All results from a given calculation for CH3SeCH3 (dimethylselenide)

using model chemistry: wB97X-D/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at wB97X-D/STO-3G
 hartrees
Energy at 0K-2453.825964
Energy at 298.15K-2453.829976
HF Energy-2453.825964
Nuclear repulsion energy186.974928
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 wB97X-D/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 A1 3534 3534 0.05      
2 A1 3343 3343 1.08      
3 A1 1695 1695 0.89      
4 A1 1546 1546 1.01      
5 A1 1097 1097 19.97      
6 A1 688 688 1.40      
7 A1 248 248 0.09      
8 A2 3514 3514 0.00      
9 A2 1684 1684 0.00      
10 A2 1027 1027 0.00      
11 A2 130 130 0.00      
12 B1 3512 3512 2.92      
13 B1 1686 1686 12.15      
14 B1 1051 1051 2.95      
15 B1 128 128 0.45      
16 B2 3533 3533 0.79      
17 B2 3344 3344 0.20      
18 B2 1692 1692 11.04      
19 B2 1524 1524 11.14      
20 B2 999 999 0.41      
21 B2 694 694 0.29      

Unscaled Zero Point Vibrational Energy (zpe) 18333.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 18333.9 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 wB97X-D/STO-3G
ABC
0.37223 0.23461 0.15224

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/STO-3G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Se1 0.000 0.000 0.480
C2 0.000 1.433 -0.823
C3 0.000 -1.433 -0.823
H4 0.000 2.392 -0.291
H5 0.000 -2.392 -0.291
H6 0.892 1.393 -1.463
H7 -0.892 1.393 -1.463
H8 -0.892 -1.393 -1.463
H9 0.892 -1.393 -1.463

Atom - Atom Distances (Å)
  Se1 C2 C3 H4 H5 H6 H7 H8 H9
Se11.93631.93632.51312.51312.55122.55122.55122.5512
C21.93632.86621.09673.86201.09861.09863.03193.0319
C31.93632.86623.86201.09673.03193.03191.09861.0986
H42.51311.09673.86204.78431.77981.77984.06174.0617
H52.51313.86201.09674.78434.06174.06171.77981.7798
H62.55121.09863.03191.77984.06171.78363.30812.7861
H72.55121.09863.03191.77984.06171.78362.78613.3081
H82.55123.03191.09864.06171.77983.30812.78611.7836
H92.55123.03191.09864.06171.77982.78613.30811.7836

picture of dimethylselenide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Se1 C2 H4 108.727 Se1 C2 H6 111.406
Se1 C2 H7 111.406 Se1 C3 H5 108.727
Se1 C3 H8 111.406 Se1 C3 H9 111.406
C2 Se1 C3 95.483 H4 C2 H6 108.336
H4 C2 H7 108.336 H5 C3 H8 108.336
H5 C3 H9 108.336 H6 C2 H7 108.537
H8 C3 H9 108.537
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Se 0.109      
2 C -0.311      
3 C -0.311      
4 H 0.090      
5 H 0.090      
6 H 0.083      
7 H 0.083      
8 H 0.083      
9 H 0.083      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 -1.380 1.380
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.075 0.000 0.000
y 0.000 -28.052 0.000
z 0.000 0.000 -30.590
Traceless
 xyz
x -1.754 0.000 0.000
y 0.000 2.781 0.000
z 0.000 0.000 -1.027
Polar
3z2-r2-2.053
x2-y2-3.023
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.785 0.000 0.000
y 0.000 4.228 0.000
z 0.000 0.000 3.015


<r2> (average value of r2) Å2
<r2> 90.378
(<r2>)1/2 9.507