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All results from a given calculation for CH3SeCH3 (dimethylselenide)

using model chemistry: wB97X-D/6-311G**

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/6-311G**
 hartrees
Energy at 0K-2481.393837
Energy at 298.15K-2481.397922
HF Energy-2481.393837
Nuclear repulsion energy186.397143
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/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 A1 3169 3031 9.71      
2 A1 3061 2928 26.14      
3 A1 1481 1416 1.13      
4 A1 1339 1281 1.51      
5 A1 991 948 21.60      
6 A1 614 588 0.20      
7 A1 219 209 0.00      
8 A2 3162 3024 0.00      
9 A2 1467 1403 0.00      
10 A2 900 861 0.00      
11 A2 144 138 0.00      
12 B1 3156 3018 20.31      
13 B1 1476 1412 18.18      
14 B1 929 889 14.45      
15 B1 150 144 0.34      
16 B2 3169 3031 3.68      
17 B2 3065 2932 24.96      
18 B2 1474 1410 16.47      
19 B2 1318 1261 5.79      
20 B2 873 835 0.58      
21 B2 629 601 1.10      

Unscaled Zero Point Vibrational Energy (zpe) 16391.7 cm-1
Scaled (by 0.9565) Zero Point Vibrational Energy (zpe) 15678.7 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 wB97X-D/6-311G**
ABC
0.37658 0.22949 0.15083

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-311G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Se1 0.000 0.000 0.475
C2 0.000 1.454 -0.822
C3 0.000 -1.454 -0.822
H4 0.000 2.389 -0.262
H5 0.000 -2.389 -0.262
H6 0.895 1.407 -1.443
H7 -0.895 1.407 -1.443
H8 -0.895 -1.407 -1.443
H9 0.895 -1.407 -1.443

Atom - Atom Distances (Å)
  Se1 C2 C3 H4 H5 H6 H7 H8 H9
Se11.94901.94902.50042.50042.54212.54212.54212.5421
C21.94902.90811.09003.88371.09001.09003.06163.0616
C31.94902.90813.88371.09003.06163.06161.09001.0900
H42.50041.09003.88374.77821.77741.77744.07534.0753
H52.50043.88371.09004.77824.07534.07531.77741.7774
H62.54211.09003.06161.77744.07531.78933.33522.8146
H72.54211.09003.06161.77744.07531.78932.81463.3352
H82.54213.06161.09004.07531.77743.33522.81461.7893
H92.54213.06161.09004.07531.77742.81463.33521.7893

picture of dimethylselenide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Se1 C2 H4 107.329 Se1 C2 H6 110.323
Se1 C2 H7 110.323 Se1 C3 H5 107.329
Se1 C3 H8 110.323 Se1 C3 H9 110.323
C2 Se1 C3 96.501 H4 C2 H6 109.237
H4 C2 H7 109.237 H5 C3 H8 109.237
H5 C3 H9 109.237 H6 C2 H7 110.328
H8 C3 H9 110.328
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Se -0.013      
2 C -0.431      
3 C -0.431      
4 H 0.149      
5 H 0.149      
6 H 0.144      
7 H 0.144      
8 H 0.144      
9 H 0.144      


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 -1.546 1.546
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.460 0.000 0.000
y 0.000 -29.080 0.000
z 0.000 0.000 -32.498
Traceless
 xyz
x -3.671 0.000 0.000
y 0.000 4.399 0.000
z 0.000 0.000 -0.728
Polar
3z2-r2-1.455
x2-y2-5.380
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.310 0.000 0.000
y 0.000 8.326 0.000
z 0.000 0.000 7.027


<r2> (average value of r2) Å2
<r2> 92.174
(<r2>)1/2 9.601