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All results from a given calculation for CH3SeCH3 (dimethylselenide)

using model chemistry: M06-2X/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at M06-2X/6-31G
 hartrees
Energy at 0K-2478.963675
Energy at 298.15K-2478.967731
HF Energy-2478.963675
Nuclear repulsion energy184.537125
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 M06-2X/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 A1 3220 3220 4.37      
2 A1 3108 3108 19.66      
3 A1 1530 1530 1.70      
4 A1 1390 1390 0.66      
5 A1 1027 1027 28.90      
6 A1 589 589 1.07      
7 A1 221 221 0.01      
8 A2 3223 3223 0.00      
9 A2 1517 1517 0.00      
10 A2 911 911 0.00      
11 A2 134 134 0.00      
12 B1 3218 3218 17.35      
13 B1 1530 1530 29.34      
14 B1 948 948 17.69      
15 B1 147 147 0.32      
16 B2 3221 3221 1.09      
17 B2 3112 3112 16.30      
18 B2 1519 1519 23.55      
19 B2 1361 1361 1.56      
20 B2 905 905 0.48      
21 B2 605 605 0.06      

Unscaled Zero Point Vibrational Energy (zpe) 16717.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 16717.1 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 M06-2X/6-31G
ABC
0.36272 0.22712 0.14763

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/6-31G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Se1 0.000 0.000 0.485
C2 0.000 1.464 -0.842
C3 0.000 -1.464 -0.842
H4 0.000 2.402 -0.290
H5 0.000 -2.402 -0.290
H6 0.898 1.399 -1.454
H7 -0.898 1.399 -1.454
H8 -0.898 -1.399 -1.454
H9 0.898 -1.399 -1.454

Atom - Atom Distances (Å)
  Se1 C2 C3 H4 H5 H6 H7 H8 H9
Se11.97661.97662.52442.52442.55452.55452.55452.5545
C21.97662.92821.08903.90581.08861.08863.06243.0624
C31.97662.92823.90581.08903.06243.06241.08861.0886
H42.52441.08903.90584.80481.78021.78024.07594.0759
H52.52443.90581.08904.80484.07594.07591.78021.7802
H62.55451.08863.06241.78024.07591.79663.32522.7981
H72.55451.08863.06241.78024.07591.79662.79813.3252
H82.55453.06241.08864.07591.78023.32522.79811.7966
H92.55453.06241.08864.07591.78022.79813.32521.7966

picture of dimethylselenide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Se1 C2 H4 107.292 Se1 C2 H6 109.457
Se1 C2 H7 109.457 Se1 C3 H5 107.292
Se1 C3 H8 109.457 Se1 C3 H9 109.457
C2 Se1 C3 95.583 H4 C2 H6 109.669
H4 C2 H7 109.669 H5 C3 H8 109.669
H5 C3 H9 109.669 H6 C2 H7 111.211
H8 C3 H9 111.211
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Se 0.251      
2 C -0.713      
3 C -0.713      
4 H 0.200      
5 H 0.200      
6 H 0.194      
7 H 0.194      
8 H 0.194      
9 H 0.194      


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 -1.759 1.759
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.484 0.000 0.000
y 0.000 -29.323 0.000
z 0.000 0.000 -33.077
Traceless
 xyz
x -3.284 0.000 0.000
y 0.000 4.458 0.000
z 0.000 0.000 -1.174
Polar
3z2-r2-2.348
x2-y2-5.161
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.172 0.000 0.000
y 0.000 7.603 0.000
z 0.000 0.000 6.236


<r2> (average value of r2) Å2
<r2> 93.648
(<r2>)1/2 9.677