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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-2480.954265
Energy at 298.15K-2480.958337
HF Energy-2480.685913
Nuclear repulsion energy185.650710
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
4/u)
Dep P Dep U
1 A1 3172 3172 10.93      
2 A1 3070 3070 25.44      
3 A1 1497 1497 0.48      
4 A1 1343 1343 3.56      
5 A1 990 990 19.63      
6 A1 591 591 0.31      
7 A1 212 212 0.01      
8 A2 3168 3168 0.00      
9 A2 1476 1476 0.00      
10 A2 909 909 0.00      
11 A2 153 153 0.00      
12 B1 3162 3162 21.41      
13 B1 1485 1485 15.31      
14 B1 940 940 12.65      
15 B1 151 151 0.35      
16 B2 3172 3172 3.42      
17 B2 3073 3073 24.31      
18 B2 1490 1490 16.12      
19 B2 1320 1320 9.56      
20 B2 871 871 0.30      
21 B2 607 607 0.71      

Unscaled Zero Point Vibrational Energy (zpe) 16426.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 16426.5 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 B2PLYP=FULL/6-311G**
ABC
0.37452 0.22696 0.14940

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 0.477
C2 0.000 1.464 -0.826
C3 0.000 -1.464 -0.826
H4 0.000 2.394 -0.259
H5 0.000 -2.394 -0.259
H6 0.895 1.417 -1.445
H7 -0.895 1.417 -1.445
H8 -0.895 -1.417 -1.445
H9 0.895 -1.417 -1.445

Atom - Atom Distances (Å)
  Se1 C2 C3 H4 H5 H6 H7 H8 H9
Se11.95931.95932.50412.50412.54952.54952.54952.5495
C21.95932.92721.08903.89861.08891.08893.07893.0789
C31.95932.92723.89861.08903.07893.07891.08891.0889
H42.50411.08903.89864.78711.77771.77774.08964.0896
H52.50413.89861.08904.78714.08964.08961.77771.7777
H62.54951.08893.07891.77774.08961.78923.35112.8335
H72.54951.08893.07891.77774.08961.78922.83353.3511
H82.54953.07891.08894.08961.77773.35112.83351.7892
H92.54953.07891.08894.08961.77772.83353.35111.7892

picture of dimethylselenide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Se1 C2 H4 106.977 Se1 C2 H6 110.230
Se1 C2 H7 110.230 Se1 C3 H5 106.977
Se1 C3 H8 110.230 Se1 C3 H9 110.230
C2 Se1 C3 96.665 H4 C2 H6 109.425
H4 C2 H7 109.425 H5 C3 H8 109.425
H5 C3 H9 109.425 H6 C2 H7 110.482
H8 C3 H9 110.482
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability