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All results from a given calculation for CH3SeCH3 (dimethylselenide)

using model chemistry: B97D3/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 B97D3/STO-3G
 hartrees
Energy at 0K-2454.956407
Energy at 298.15K-2454.960389
HF Energy-2454.956407
Nuclear repulsion energy 
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 B97D3/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 3418 3418 1.83      
2 A1 3222 3222 2.90      
3 A1 1649 1649 0.23      
4 A1 1487 1487 2.29      
5 A1 1056 1056 17.50      
6 A1 659 659 0.65      
7 A1 244 244 0.03      
8 A2 3395 3395 0.00      
9 A2 1636 1636 0.00      
10 A2 992 992 0.00      
11 A2 146 146 0.00      
12 B1 3393 3393 10.76      
13 B1 1638 1638 8.89      
14 B1 1018 1018 3.24      
15 B1 143 143 0.44      
16 B2 3417 3417 0.01      
17 B2 3224 3224 1.64      
18 B2 1646 1646 10.77      
19 B2 1462 1462 15.99      
20 B2 961 961 0.35      
21 B2 665 665 0.03      

Unscaled Zero Point Vibrational Energy (zpe) 17734.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 17734.8 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 B97D3/STO-3G
ABC
0.35791 0.23099 0.14845

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/STO-3G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Se1 0.000 0.000 0.490
C2 0.000 1.445 -0.841
C3 0.000 -1.445 -0.841
H4 0.000 2.413 -0.309
H5 0.000 -2.413 -0.309
H6 0.899 1.396 -1.484
H7 -0.899 1.396 -1.484
H8 -0.899 -1.396 -1.484
H9 0.899 -1.396 -1.484

Atom - Atom Distances (Å)
  Se1 C2 C3 H4 H5 H6 H7 H8 H9
Se11.96471.96472.54192.54192.57952.57952.57952.5795
C21.96472.89031.10463.89481.10661.10663.04873.0487
C31.96472.89033.89481.10463.04873.04871.10661.1066
H42.54191.10463.89484.82621.79551.79554.08654.0865
H52.54193.89481.10464.82624.08654.08651.79551.7955
H62.57951.10663.04871.79554.08651.79893.32152.7921
H72.57951.10663.04871.79554.08651.79892.79213.3215
H82.57953.04871.10664.08651.79553.32152.79211.7989
H92.57953.04871.10664.08651.79552.79213.32151.7989

picture of dimethylselenide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Se1 C2 H4 108.549 Se1 C2 H6 111.151
Se1 C2 H7 111.151 Se1 C3 H5 108.549
Se1 C3 H8 111.151 Se1 C3 H9 111.151
C2 Se1 C3 94.708 H4 C2 H6 108.586
H4 C2 H7 108.586 H5 C3 H8 108.586
H5 C3 H9 108.586 H6 C2 H7 108.749
H8 C3 H9 108.749
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Se 0.089      
2 C -0.289      
3 C -0.289      
4 H 0.085      
5 H 0.085      
6 H 0.080      
7 H 0.080      
8 H 0.080      
9 H 0.080      


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 -1.330 1.330
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.139 0.000 0.000
y 0.000 -28.020 0.000
z 0.000 0.000 -30.444
Traceless
 xyz
x -1.907 0.000 0.000
y 0.000 2.772 0.000
z 0.000 0.000 -0.864
Polar
3z2-r2-1.728
x2-y2-3.119
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.813 0.000 0.000
y 0.000 4.381 0.000
z 0.000 0.000 3.186


<r2> (average value of r2) Å2
<r2> 92.043
(<r2>)1/2 9.594