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All results from a given calculation for CH3SeCH3 (dimethylselenide)

using model chemistry: B2PLYP=FULL/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 B2PLYP=FULL/6-311G*
 hartrees
Energy at 0K-2480.933717
Energy at 298.15K-2480.937802
HF Energy-2480.676469
Nuclear repulsion energy185.525045
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 B2PLYP=FULL/6-311G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1 3175 3175 12.89      
2 A1 3074 3074 27.83      
3 A1 1517 1517 0.59      
4 A1 1363 1363 3.17      
5 A1 1001 1001 22.31      
6 A1 590 590 0.38      
7 A1 212 212 0.02      
8 A2 3172 3172 0.00      
9 A2 1498 1498 0.00      
10 A2 919 919 0.00      
11 A2 158 158 0.00      
12 B1 3166 3166 25.18      
13 B1 1508 1508 17.66      
14 B1 948 948 14.75      
15 B1 154 154 0.38      
16 B2 3175 3175 4.63      
17 B2 3077 3077 27.38      
18 B2 1509 1509 18.28      
19 B2 1340 1340 7.73      
20 B2 882 882 0.35      
21 B2 607 607 0.60      

Unscaled Zero Point Vibrational Energy (zpe) 16521.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 16521.8 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 B2PLYP=FULL/6-311G*
ABC
0.37317 0.22697 0.14916

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/6-311G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Se1 0.000 0.000 0.478
C2 0.000 1.463 -0.827
C3 0.000 -1.463 -0.827
H4 0.000 2.396 -0.265
H5 0.000 -2.396 -0.265
H6 0.893 1.418 -1.447
H7 -0.893 1.418 -1.447
H8 -0.893 -1.418 -1.447
H9 0.893 -1.418 -1.447

Atom - Atom Distances (Å)
  Se1 C2 C3 H4 H5 H6 H7 H8 H9
Se11.96071.96072.50822.50822.55232.55232.55232.5523
C21.96072.92651.08853.89951.08841.08843.07943.0794
C31.96072.92653.89951.08853.07943.07941.08841.0884
H42.50821.08853.89954.79101.77511.77514.09104.0910
H52.50823.89951.08854.79104.09104.09101.77511.7751
H62.55231.08843.07941.77514.09101.78653.35132.8355
H72.55231.08843.07941.77514.09101.78652.83553.3513
H82.55233.07941.08844.09101.77513.35132.83551.7865
H92.55233.07941.08844.09101.77512.83553.35131.7865

picture of dimethylselenide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Se1 C2 H4 107.193 Se1 C2 H6 110.368
Se1 C2 H7 110.368 Se1 C3 H5 107.193
Se1 C3 H8 110.368 Se1 C3 H9 110.368
C2 Se1 C3 96.540 H4 C2 H6 109.267
H4 C2 H7 109.267 H5 C3 H8 109.267
H5 C3 H9 109.267 H6 C2 H7 110.311
H8 C3 H9 110.311
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability