return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: CCD/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at CCD/TZVP
 hartrees
Energy at 0K-40.402963
Energy at 298.15K 
HF Energy-40.212239
Nuclear repulsion energy13.453934
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 CCD/TZVP
Rotational Constants (cm-1) from geometry optimized at CCD/TZVP
ABC
4.33312 3.53114 3.07607

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/TZVP

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.000
H2 0.000 0.889 0.628
H3 0.000 -0.889 0.628
H4 -0.889 0.000 -0.628
H5 0.889 0.000 -0.628

Atom - Atom Distances (Å)
  C1 H2 H3 H4 H5
C11.08851.08851.08851.0885
H21.08851.77751.77751.7775
H31.08851.77751.77751.7775
H41.08851.77751.77751.7775
H51.08851.77751.77751.7775

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