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All results from a given calculation for CH2D2 (methane-d2)

using model chemistry: QCISD/3-21G

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/3-21G
 hartrees
Energy at 0K-40.094489
Energy at 298.15K 
HF Energy-39.976305
Nuclear repulsion energy13.343790
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/3-21G
Rotational Constants (cm-1) from geometry optimized at QCISD/3-21G
ABC
4.26246 3.47355 3.02590

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/3-21G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.000
H2 0.000 0.896 0.634
H3 0.000 -0.896 0.634
H4 -0.896 0.000 -0.634
H5 0.896 0.000 -0.634

Atom - Atom Distances (Å)
  C1 H2 H3 H4 H5
C11.09751.09751.09751.0975
H21.09751.79221.79221.7922
H31.09751.79221.79221.7922
H41.09751.79221.79221.7922
H51.09751.79221.79221.7922

picture of methane-d2 state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 C1 H3 109.471 H2 C1 D4 109.471
H2 C1 D5 109.471 H3 C1 D4 109.471
H3 C1 D5 109.471 D4 C1 D5 109.471
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability