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All results from a given calculation for CH3SeCH3 (dimethylselenide)

using model chemistry: B2PLYP=FULL/6-31G**

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/6-31G**
 hartrees
Energy at 0K-2478.631334
Energy at 298.15K-2478.635432
HF Energy-2478.481054
Nuclear repulsion energy186.000138
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/6-31G**
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 3210 3210 10.26      
2 A1 3101 3101 21.48      
3 A1 1523 1523 0.02      
4 A1 1366 1366 5.17      
5 A1 1006 1006 20.36      
6 A1 587 587 0.47      
7 A1 218 218 0.05      
8 A2 3210 3210 0.00      
9 A2 1503 1503 0.00      
10 A2 911 911 0.00      
11 A2 160 160 0.00      
12 B1 3205 3205 19.24      
13 B1 1515 1515 10.35      
14 B1 947 947 11.33      
15 B1 161 161 0.34      
16 B2 3210 3210 2.71      
17 B2 3104 3104 22.02      
18 B2 1516 1516 14.52      
19 B2 1340 1340 14.47      
20 B2 882 882 0.52      
21 B2 604 604 0.39      

Unscaled Zero Point Vibrational Energy (zpe) 16638.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 16638.2 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 B2PLYP=FULL/6-31G**
ABC
0.37864 0.22667 0.14994

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/6-31G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Se1 0.000 0.000 0.474
C2 0.000 1.465 -0.821
C3 0.000 -1.465 -0.821
H4 0.000 2.391 -0.250
H5 0.000 -2.391 -0.250
H6 0.895 1.420 -1.438
H7 -0.895 1.420 -1.438
H8 -0.895 -1.420 -1.438
H9 0.895 -1.420 -1.438

Atom - Atom Distances (Å)
  Se1 C2 C3 H4 H5 H6 H7 H8 H9
Se11.95481.95482.49842.49842.54392.54392.54392.5439
C21.95482.92931.08813.89781.08791.08793.08283.0828
C31.95482.92933.89781.08813.08283.08281.08791.0879
H42.49841.08813.89784.78241.77591.77594.09114.0911
H52.49843.89781.08814.78244.09114.09111.77591.7759
H62.54391.08793.08281.77594.09111.79033.35742.8403
H72.54391.08793.08281.77594.09111.79032.84033.3574
H82.54393.08281.08794.09111.77593.35742.84031.7903
H92.54393.08281.08794.09111.77592.84033.35741.7903

picture of dimethylselenide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Se1 C2 H4 106.900 Se1 C2 H6 110.169
Se1 C2 H7 110.169 Se1 C3 H5 106.900
Se1 C3 H8 110.169 Se1 C3 H9 110.169
C2 Se1 C3 97.048 H4 C2 H6 109.392
H4 C2 H7 109.392 H5 C3 H8 109.392
H5 C3 H9 109.392 H6 C2 H7 110.735
H8 C3 H9 110.735
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability