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All results from a given calculation for CH3SeCH3 (dimethylselenide)

using model chemistry: B2PLYP/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 B2PLYP/cc-pVDZ
 hartrees
Energy at 0K-2480.817172
Energy at 298.15K-2480.821235
HF Energy-2480.674003
Nuclear repulsion energy185.357027
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 B2PLYP/cc-pVDZ
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 3180 3045 8.72      
2 A1 3067 2937 23.58      
3 A1 1470 1408 0.18      
4 A1 1317 1261 3.73      
5 A1 976 935 17.45      
6 A1 596 571 0.35      
7 A1 211 202 0.01      
8 A2 3175 3041 0.00      
9 A2 1450 1388 0.00      
10 A2 896 858 0.00      
11 A2 157 150 0.00      
12 B1 3169 3035 19.21      
13 B1 1458 1397 12.42      
14 B1 926 887 11.12      
15 B1 153 146 0.39      
16 B2 3180 3046 2.19      
17 B2 3071 2941 25.29      
18 B2 1463 1402 15.66      
19 B2 1293 1238 14.30      
20 B2 858 821 0.60      
21 B2 612 586 0.87      

Unscaled Zero Point Vibrational Energy (zpe) 16338.6 cm-1
Scaled (by 0.9577) Zero Point Vibrational Energy (zpe) 15647.5 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 B2PLYP/cc-pVDZ
ABC
0.37345 0.22660 0.14921

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/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 1.463 -0.825
C3 0.000 -1.463 -0.825
H4 0.000 2.402 -0.254
H5 0.000 -2.402 -0.254
H6 0.902 1.419 -1.452
H7 -0.902 1.419 -1.452
H8 -0.902 -1.419 -1.452
H9 0.902 -1.419 -1.452

Atom - Atom Distances (Å)
  Se1 C2 C3 H4 H5 H6 H7 H8 H9
Se11.95871.95872.51062.51062.55912.55912.55912.5591
C21.95872.92601.09873.90661.09891.09893.08453.0845
C31.95872.92603.90661.09873.08453.08451.09891.0989
H42.51061.09873.90664.80341.79221.79224.10474.1047
H52.51063.90661.09874.80344.10474.10471.79221.7922
H62.55911.09893.08451.79224.10471.80343.36332.8389
H72.55911.09893.08451.79224.10471.80342.83893.3633
H82.55913.08451.09894.10471.79223.36332.83891.8034
H92.55913.08451.09894.10471.79222.83893.36331.8034

picture of dimethylselenide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Se1 C2 H4 107.017 Se1 C2 H6 110.461
Se1 C2 H7 110.461 Se1 C3 H5 107.017
Se1 C3 H8 110.461 Se1 C3 H9 110.461
C2 Se1 C3 96.650 H4 C2 H6 109.279
H4 C2 H7 109.279 H5 C3 H8 109.279
H5 C3 H9 109.279 H6 C2 H7 110.275
H8 C3 H9 110.275
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Se 0.001      
2 C -0.189      
3 C -0.189      
4 H 0.064      
5 H 0.064      
6 H 0.062      
7 H 0.062      
8 H 0.062      
9 H 0.062      


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 -1.377 1.377
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.276 0.000 0.000
y 0.000 -29.465 0.000
z 0.000 0.000 -32.541
Traceless
 xyz
x -3.273 0.000 0.000
y 0.000 3.943 0.000
z 0.000 0.000 -0.670
Polar
3z2-r2-1.341
x2-y2-4.811
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.795 0.000 0.000
y 0.000 8.189 0.000
z 0.000 0.000 6.640


<r2> (average value of r2) Å2
<r2> 93.050
(<r2>)1/2 9.646