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All results from a given calculation for CH3SeCH3 (dimethylselenide)

using model chemistry: B3LYP/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 B3LYP/cc-pVDZ
 hartrees
Energy at 0K-2481.379820
Energy at 298.15K-2481.383840
HF Energy-2481.379820
Nuclear repulsion energy184.599012
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 B3LYP/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 3148 3054 9.39      
2 A1 3040 2949 23.33      
3 A1 1451 1408 0.25      
4 A1 1297 1258 4.01      
5 A1 965 936 17.68      
6 A1 579 562 0.38      
7 A1 207 201 0.03      
8 A2 3144 3049 0.00      
9 A2 1432 1389 0.00      
10 A2 883 857 0.00      
11 A2 158 153 0.00      
12 B1 3138 3044 19.85      
13 B1 1440 1396 12.09      
14 B1 913 885 11.80      
15 B1 151 147 0.41      
16 B2 3149 3055 2.14      
17 B2 3043 2952 25.53      
18 B2 1444 1401 15.95      
19 B2 1274 1235 14.93      
20 B2 846 821 0.72      
21 B2 594 576 0.81      

Unscaled Zero Point Vibrational Energy (zpe) 16148.2 cm-1
Scaled (by 0.97) Zero Point Vibrational Energy (zpe) 15663.8 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 B3LYP/cc-pVDZ
ABC
0.37383 0.22309 0.14776

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Se1 0.000 0.000 0.476
C2 0.000 1.476 -0.825
C3 0.000 -1.476 -0.825
H4 0.000 2.409 -0.245
H5 0.000 -2.409 -0.245
H6 0.903 1.436 -1.452
H7 -0.903 1.436 -1.452
H8 -0.903 -1.436 -1.452
H9 0.903 -1.436 -1.452

Atom - Atom Distances (Å)
  Se1 C2 C3 H4 H5 H6 H7 H8 H9
Se11.96771.96772.51512.51512.56812.56812.56812.5681
C21.96772.95131.09953.92821.09971.09973.11233.1123
C31.96772.95133.92821.09953.11233.11231.09971.0997
H42.51511.09953.92824.81891.79421.79424.13044.1304
H52.51513.92821.09954.81894.13044.13041.79421.7942
H62.56811.09973.11231.79424.13041.80613.39292.8723
H72.56811.09973.11231.79424.13041.80612.87233.3929
H82.56813.11231.09974.13041.79423.39292.87231.8061
H92.56813.11231.09974.13041.79422.87233.39291.8061

picture of dimethylselenide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Se1 C2 H4 106.717 Se1 C2 H6 110.475
Se1 C2 H7 110.475 Se1 C3 H5 106.717
Se1 C3 H8 110.475 Se1 C3 H9 110.475
C2 Se1 C3 97.170 H4 C2 H6 109.343
H4 C2 H7 109.343 H5 C3 H8 109.343
H5 C3 H9 109.343 H6 C2 H7 110.405
H8 C3 H9 110.405
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Se -0.007      
2 C -0.168      
3 C -0.168      
4 H 0.057      
5 H 0.057      
6 H 0.057      
7 H 0.057      
8 H 0.057      
9 H 0.057      


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 -1.350 1.350
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.068 0.000 0.000
y 0.000 -29.240 0.000
z 0.000 0.000 -32.278
Traceless
 xyz
x -3.308 0.000 0.000
y 0.000 3.933 0.000
z 0.000 0.000 -0.625
Polar
3z2-r2-1.249
x2-y2-4.828
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.843 0.000 0.000
y 0.000 8.350 0.000
z 0.000 0.000 6.707


<r2> (average value of r2) Å2
<r2> 93.592
(<r2>)1/2 9.674