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All results from a given calculation for CH3SeCH3 (dimethylselenide)

using model chemistry: PBEPBE/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at PBEPBE/cc-pVDZ
 hartrees
Energy at 0K-2480.860714
Energy at 298.15K-2480.864677
HF Energy-2480.860714
Nuclear repulsion energy184.523216
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 PBEPBE/cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1 3095 3077 7.54      
2 A1 2978 2961 22.17      
3 A1 1401 1392 0.17      
4 A1 1246 1239 3.15      
5 A1 933 927 17.91      
6 A1 576 572 0.31      
7 A1 203 201 0.04      
8 A2 3088 3070 0.00      
9 A2 1380 1372 0.00      
10 A2 853 848 0.00      
11 A2 161 160 0.00      
12 B1 3081 3063 15.96      
13 B1 1388 1380 13.10      
14 B1 884 879 13.18      
15 B1 151 150 0.48      
16 B2 3096 3078 0.91      
17 B2 2982 2965 22.48      
18 B2 1394 1386 18.11      
19 B2 1222 1215 11.17      
20 B2 817 812 0.87      
21 B2 588 584 1.37      

Unscaled Zero Point Vibrational Energy (zpe) 15756.3 cm-1
Scaled (by 0.9942) Zero Point Vibrational Energy (zpe) 15665.0 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 PBEPBE/cc-pVDZ
ABC
0.37202 0.22386 0.14794

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Se1 0.000 0.000 0.477
C2 0.000 1.472 -0.826
C3 0.000 -1.472 -0.826
H4 0.000 2.412 -0.243
H5 0.000 -2.412 -0.243
H6 0.909 1.432 -1.457
H7 -0.909 1.432 -1.457
H8 -0.909 -1.432 -1.457
H9 0.909 -1.432 -1.457

Atom - Atom Distances (Å)
  Se1 C2 C3 H4 H5 H6 H7 H8 H9
Se11.96611.96612.51722.51722.57292.57292.57292.5729
C21.96612.94321.10673.92711.10711.10713.10763.1076
C31.96612.94323.92711.10673.10763.10761.10711.1071
H42.51721.10673.92714.82381.80561.80564.13274.1327
H52.51723.92711.10674.82384.13274.13271.80561.8056
H62.57291.10713.10761.80564.13271.81863.39322.8647
H72.57291.10713.10761.80564.13271.81862.86473.3932
H82.57293.10761.10714.13271.80563.39322.86471.8186
H92.57293.10761.10714.13271.80562.86473.39321.8186

picture of dimethylselenide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Se1 C2 H4 106.634 Se1 C2 H6 110.553
Se1 C2 H7 110.553 Se1 C3 H5 106.634
Se1 C3 H8 110.553 Se1 C3 H9 110.553
C2 Se1 C3 96.919 H4 C2 H6 109.292
H4 C2 H7 109.292 H5 C3 H8 109.292
H5 C3 H9 109.292 H6 C2 H7 110.429
H8 C3 H9 110.429
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Se -0.009      
2 C -0.209      
3 C -0.209      
4 H 0.071      
5 H 0.071      
6 H 0.071      
7 H 0.071      
8 H 0.071      
9 H 0.071      


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 -1.340 1.340
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.054 0.000 0.000
y 0.000 -29.164 0.000
z 0.000 0.000 -32.196
Traceless
 xyz
x -3.374 0.000 0.000
y 0.000 3.961 0.000
z 0.000 0.000 -0.587
Polar
3z2-r2-1.174
x2-y2-4.890
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.936 0.000 0.000
y 0.000 8.443 0.000
z 0.000 0.000 6.817


<r2> (average value of r2) Å2
<r2> 93.553
(<r2>)1/2 9.672