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All results from a given calculation for CH3SeCH3 (dimethylselenide)

using model chemistry: BLYP/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at BLYP/TZVP
 hartrees
Energy at 0K-2481.381768
Energy at 298.15K-2481.385680
HF Energy-2481.381768
Nuclear repulsion energy182.651641
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 BLYP/TZVP
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 3072 3064 12.96      
2 A1 2980 2972 25.63      
3 A1 1448 1444 0.64      
4 A1 1287 1284 5.27      
5 A1 950 948 18.35      
6 A1 536 535 0.31      
7 A1 200 200 0.03      
8 A2 3069 3062 0.00      
9 A2 1429 1426 0.00      
10 A2 869 866 0.00      
11 A2 150 150 0.00      
12 B1 3063 3056 23.51      
13 B1 1437 1433 11.99      
14 B1 898 896 13.59      
15 B1 142 142 0.44      
16 B2 3072 3065 3.49      
17 B2 2983 2976 25.55      
18 B2 1442 1439 16.12      
19 B2 1265 1262 10.64      
20 B2 836 834 0.11      
21 B2 550 548 0.67      

Unscaled Zero Point Vibrational Energy (zpe) 15838.5 cm-1
Scaled (by 0.9975) Zero Point Vibrational Energy (zpe) 15798.9 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 BLYP/TZVP
ABC
0.36597 0.21759 0.14408

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/TZVP

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Se1 0.000 0.000 0.482
C2 0.000 1.498 -0.838
C3 0.000 -1.498 -0.838
H4 0.000 2.424 -0.254
H5 0.000 -2.424 -0.254
H6 0.900 1.455 -1.458
H7 -0.900 1.455 -1.458
H8 -0.900 -1.455 -1.458
H9 0.900 -1.455 -1.458

Atom - Atom Distances (Å)
  Se1 C2 C3 H4 H5 H6 H7 H8 H9
Se11.99601.99602.53342.53342.58712.58712.58712.5871
C21.99602.99511.09473.96471.09441.09443.14873.1487
C31.99602.99513.96471.09473.14873.14871.09441.0944
H42.53341.09473.96474.84801.78861.78864.16034.1603
H52.53343.96471.09474.84804.16034.16031.78861.7886
H62.58711.09443.14871.78864.16031.80083.42242.9103
H72.58711.09443.14871.78864.16031.80082.91033.4224
H82.58713.14871.09444.16031.78863.42242.91031.8008
H92.58713.14871.09444.16031.78862.91033.42241.8008

picture of dimethylselenide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Se1 C2 H4 106.420 Se1 C2 H6 110.234
Se1 C2 H7 110.234 Se1 C3 H5 106.420
Se1 C3 H8 110.234 Se1 C3 H9 110.234
C2 Se1 C3 97.228 H4 C2 H6 109.572
H4 C2 H7 109.572 H5 C3 H8 109.572
H5 C3 H9 109.572 H6 C2 H7 110.713
H8 C3 H9 110.713
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Se -0.018      
2 C -0.393      
3 C -0.393      
4 H 0.134      
5 H 0.134      
6 H 0.134      
7 H 0.134      
8 H 0.134      
9 H 0.134      


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 -1.450 1.450
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.964 0.000 0.000
y 0.000 -29.789 0.000
z 0.000 0.000 -32.984
Traceless
 xyz
x -3.577 0.000 0.000
y 0.000 4.185 0.000
z 0.000 0.000 -0.607
Polar
3z2-r2-1.215
x2-y2-5.175
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.595 0.000 0.000
y 0.000 9.230 0.000
z 0.000 0.000 7.664


<r2> (average value of r2) Å2
<r2> 95.680
(<r2>)1/2 9.782