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All results from a given calculation for CH3SeCH3 (dimethylselenide)

using model chemistry: PBEPBEultrafine/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 PBEPBEultrafine/TZVP
 hartrees
Energy at 0K-2480.918041
Energy at 298.15K-2480.922019
HF Energy-2480.918041
Nuclear repulsion energy184.641205
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 PBEPBEultrafine/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 3088 3053 9.50      
2 A1 2985 2951 24.39      
3 A1 1432 1415 0.78      
4 A1 1281 1266 2.99      
5 A1 950 939 20.73      
6 A1 572 566 0.22      
7 A1 204 202 0.02      
8 A2 3082 3047 0.00      
9 A2 1411 1395 0.00      
10 A2 866 856 0.00      
11 A2 154 153 0.00      
12 B1 3075 3040 17.84      
13 B1 1420 1404 14.47      
14 B1 899 889 14.88      
15 B1 149 147 0.50      
16 B2 3088 3053 1.72      
17 B2 2988 2954 21.77      
18 B2 1425 1409 18.99      
19 B2 1258 1243 5.21      
20 B2 833 823 0.17      
21 B2 585 579 1.29      

Unscaled Zero Point Vibrational Energy (zpe) 15872.4 cm-1
Scaled (by 0.9886) Zero Point Vibrational Energy (zpe) 15691.5 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 PBEPBEultrafine/TZVP
ABC
0.37318 0.22341 0.14777

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Se1 0.000 0.000 0.477
C2 0.000 1.475 -0.827
C3 0.000 -1.475 -0.827
H4 0.000 2.406 -0.247
H5 0.000 -2.406 -0.247
H6 0.901 1.436 -1.451
H7 -0.901 1.436 -1.451
H8 -0.901 -1.436 -1.451
H9 0.901 -1.436 -1.451

Atom - Atom Distances (Å)
  Se1 C2 C3 H4 H5 H6 H7 H8 H9
Se11.96841.96842.51272.51272.56732.56732.56732.5673
C21.96842.94951.09693.92381.09681.09683.11063.1106
C31.96842.94953.92381.09693.11063.11061.09681.0968
H42.51271.09693.92384.81211.78911.78914.12604.1260
H52.51273.92381.09694.81214.12604.12601.78911.7891
H62.56731.09683.11061.78914.12601.80263.39132.8725
H72.56731.09683.11061.78914.12601.80262.87253.3913
H82.56733.11061.09684.12601.78913.39132.87251.8026
H92.56733.11061.09684.12601.78912.87253.39131.8026

picture of dimethylselenide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Se1 C2 H4 106.633 Se1 C2 H6 110.515
Se1 C2 H7 110.515 Se1 C3 H5 106.633
Se1 C3 H8 110.515 Se1 C3 H9 110.515
C2 Se1 C3 97.045 H4 C2 H6 109.286
H4 C2 H7 109.286 H5 C3 H8 109.286
H5 C3 H9 109.286 H6 C2 H7 110.515
H8 C3 H9 110.515
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Se -0.032      
2 C -0.412      
3 C -0.412      
4 H 0.144      
5 H 0.144      
6 H 0.142      
7 H 0.142      
8 H 0.142      
9 H 0.142      


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 -1.496 1.496
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.677 0.000 0.000
y 0.000 -29.415 0.000
z 0.000 0.000 -32.730
Traceless
 xyz
x -3.604 0.000 0.000
y 0.000 4.288 0.000
z 0.000 0.000 -0.684
Polar
3z2-r2-1.368
x2-y2-5.262
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.578 0.000 0.000
y 0.000 8.993 0.000
z 0.000 0.000 7.527


<r2> (average value of r2) Å2
<r2> 93.813
(<r2>)1/2 9.686