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All results from a given calculation for CH3SeCH3 (dimethylselenide)

using model chemistry: QCISD(T)=FULL/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at QCISD(T)=FULL/aug-cc-pVTZ
 hartrees
Energy at 0K-2479.899029
Energy at 298.15K 
HF Energy-2479.141706
Nuclear repulsion energy187.730512
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 QCISD(T)=FULL/aug-cc-pVTZ
Rotational Constants (cm-1) from geometry optimized at QCISD(T)=FULL/aug-cc-pVTZ
ABC
0.37278 0.23719 0.15346

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)=FULL/aug-cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Se1 0.000 0.000 0.479
C2 0.000 1.429 -0.828
C3 0.000 -1.429 -0.828
H4 0.000 2.370 -0.284
H5 0.000 -2.370 -0.284
H6 0.894 1.364 -1.442
H7 -0.894 1.364 -1.442
H8 -0.894 -1.364 -1.442
H9 0.894 -1.364 -1.442

Atom - Atom Distances (Å)
  Se1 C2 C3 H4 H5 H6 H7 H8 H9
Se11.93651.93652.49002.49002.51992.51992.51992.5199
C21.93652.85851.08683.83831.08661.08662.99652.9965
C31.93652.85853.83831.08682.99652.99651.08661.0866
H42.49001.08683.83834.74061.77551.77554.01064.0106
H52.49003.83831.08684.74064.01064.01061.77551.7755
H62.51991.08662.99651.77554.01061.78763.26162.7281
H72.51991.08662.99651.77554.01061.78762.72813.2616
H82.51992.99651.08664.01061.77553.26162.72811.7876
H92.51992.99651.08664.01061.77552.72813.26161.7876

picture of dimethylselenide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Se1 C2 H4 107.553 Se1 C2 H6 109.707
Se1 C2 H7 109.707 Se1 C3 H5 107.553
Se1 C3 H8 109.707 Se1 C3 H9 109.707
C2 Se1 C3 95.137 H4 C2 H6 109.564
H4 C2 H7 109.564 H5 C3 H8 109.564
H5 C3 H9 109.564 H6 C2 H7 110.687
H8 C3 H9 110.687
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability