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All results from a given calculation for CH3SeCH3 (dimethylselenide)

using model chemistry: BLYP/6-31+G**

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/6-31+G**
 hartrees
Energy at 0K-2479.184837
Energy at 298.15K-2479.188759
HF Energy-2479.184837
Nuclear repulsion energy183.157335
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/6-31+G**
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 3076 3059 12.81      
2 A1 2978 2962 29.58      
3 A1 1451 1443 0.66      
4 A1 1298 1291 5.98      
5 A1 966 961 18.93      
6 A1 544 542 0.27      
7 A1 198 197 0.03      
8 A2 3070 3054 0.00      
9 A2 1433 1426 0.00      
10 A2 888 883 0.00      
11 A2 146 145 0.00      
12 B1 3063 3047 17.20      
13 B1 1444 1437 13.26      
14 B1 918 913 12.18      
15 B1 146 145 0.35      
16 B2 3076 3060 4.68      
17 B2 2981 2965 28.82      
18 B2 1444 1437 17.33      
19 B2 1274 1267 12.18      
20 B2 852 847 0.13      
21 B2 552 549 0.91      

Unscaled Zero Point Vibrational Energy (zpe) 15898.5 cm-1
Scaled (by 0.9947) Zero Point Vibrational Energy (zpe) 15814.2 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/6-31+G**
ABC
0.36783 0.21928 0.14514

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/6-31+G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Se1 0.000 0.000 0.481
C2 0.000 1.490 -0.833
C3 0.000 -1.490 -0.833
H4 0.000 2.423 -0.252
H5 0.000 -2.423 -0.252
H6 0.902 1.449 -1.460
H7 -0.902 1.449 -1.460
H8 -0.902 -1.449 -1.460
H9 0.902 -1.449 -1.460

Atom - Atom Distances (Å)
  Se1 C2 C3 H4 H5 H6 H7 H8 H9
Se11.98691.98692.53162.53162.58462.58462.58462.5846
C21.98692.98051.09923.95631.09911.09913.13773.1377
C31.98692.98053.95631.09923.13773.13771.09911.0991
H42.53161.09923.95634.84631.79501.79504.15524.1552
H52.53163.95631.09924.84634.15524.15521.79501.7950
H62.58461.09913.13771.79504.15521.80403.41352.8979
H72.58461.09913.13771.79504.15521.80402.89793.4135
H82.58463.13771.09914.15521.79503.41352.89791.8040
H92.58463.13771.09914.15521.79502.89793.41351.8040

picture of dimethylselenide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Se1 C2 H4 106.665 Se1 C2 H6 110.423
Se1 C2 H7 110.423 Se1 C3 H5 106.665
Se1 C3 H8 110.423 Se1 C3 H9 110.423
C2 Se1 C3 97.184 H4 C2 H6 109.475
H4 C2 H7 109.475 H5 C3 H8 109.475
H5 C3 H9 109.475 H6 C2 H7 110.304
H8 C3 H9 110.304
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Se -0.006      
2 C -0.500      
3 C -0.500      
4 H 0.166      
5 H 0.166      
6 H 0.168      
7 H 0.168      
8 H 0.168      
9 H 0.168      


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 -1.564 1.564
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.313 0.000 0.000
y 0.000 -29.797 0.000
z 0.000 0.000 -33.130
Traceless
 xyz
x -3.850 0.000 0.000
y 0.000 4.425 0.000
z 0.000 0.000 -0.575
Polar
3z2-r2-1.151
x2-y2-5.516
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.870 0.000 0.000
y 0.000 9.130 0.000
z 0.000 0.000 7.877


<r2> (average value of r2) Å2
<r2> 95.347
(<r2>)1/2 9.765