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All results from a given calculation for CH3SeCH3 (dimethylselenide)

using model chemistry: BLYP/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 BLYP/6-311G*
 hartrees
Energy at 0K-2481.334704
Energy at 298.15K-2481.338616
HF Energy-2481.334704
Nuclear repulsion energy182.610409
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/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 3065 3058 17.42      
2 A1 2974 2966 29.10      
3 A1 1462 1458 0.40      
4 A1 1297 1294 4.73      
5 A1 955 952 20.70      
6 A1 539 538 0.37      
7 A1 201 200 0.04      
8 A2 3062 3054 0.00      
9 A2 1445 1441 0.00      
10 A2 874 872 0.00      
11 A2 151 151 0.00      
12 B1 3056 3049 32.21      
13 B1 1453 1450 15.35      
14 B1 903 900 15.58      
15 B1 142 141 0.37      
16 B2 3066 3058 6.12      
17 B2 2976 2969 29.66      
18 B2 1455 1452 18.01      
19 B2 1275 1271 10.88      
20 B2 841 839 0.47      
21 B2 553 551 0.55      

Unscaled Zero Point Vibrational Energy (zpe) 15871.1 cm-1
Scaled (by 0.9975) Zero Point Vibrational Energy (zpe) 15831.4 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/6-311G*
ABC
0.36392 0.21837 0.14411

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Se1 0.000 0.000 0.484
C2 0.000 1.494 -0.840
C3 0.000 -1.494 -0.840
H4 0.000 2.426 -0.262
H5 0.000 -2.426 -0.262
H6 0.901 1.451 -1.463
H7 -0.901 1.451 -1.463
H8 -0.901 -1.451 -1.463
H9 0.901 -1.451 -1.463

Atom - Atom Distances (Å)
  Se1 C2 C3 H4 H5 H6 H7 H8 H9
Se11.99581.99582.53812.53812.58952.58952.58952.5895
C21.99582.98821.09623.96231.09601.09603.14233.1423
C31.99582.98823.96231.09623.14233.14231.09601.0960
H42.53811.09623.96234.85191.78951.78954.15744.1574
H52.53813.96231.09624.85194.15744.15741.78951.7895
H62.58951.09603.14231.78954.15741.80153.41602.9024
H72.58951.09603.14231.78954.15741.80152.90243.4160
H82.58953.14231.09604.15741.78953.41602.90241.8015
H92.58953.14231.09604.15741.78952.90243.41601.8015

picture of dimethylselenide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Se1 C2 H4 106.690 Se1 C2 H6 110.339
Se1 C2 H7 110.339 Se1 C3 H5 106.690
Se1 C3 H8 110.339 Se1 C3 H9 110.339
C2 Se1 C3 96.938 H4 C2 H6 109.428
H4 C2 H7 109.428 H5 C3 H8 109.428
H5 C3 H9 109.428 H6 C2 H7 110.533
H8 C3 H9 110.533
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Se 0.075      
2 C -0.705      
3 C -0.705      
4 H 0.224      
5 H 0.224      
6 H 0.221      
7 H 0.221      
8 H 0.221      
9 H 0.221      


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 -1.446 1.446
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.940 0.000 0.000
y 0.000 -29.700 0.000
z 0.000 0.000 -32.837
Traceless
 xyz
x -3.671 0.000 0.000
y 0.000 4.189 0.000
z 0.000 0.000 -0.517
Polar
3z2-r2-1.035
x2-y2-5.240
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.359 0.000 0.000
y 0.000 8.748 0.000
z 0.000 0.000 7.264


<r2> (average value of r2) Å2
<r2> 95.629
(<r2>)1/2 9.779