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

using model chemistry: CBS-Q

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at CBS-Q
 hartrees
Energy at 0K-40.415306
Energy at 298.15K-40.411449
HF Energy-40.194874
Nuclear repulsion energy13.479123
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 CBS-Q
Rotational Constants (cm-1) from geometry optimized at CBS-Q
ABC
4.29483 3.50001 3.04899

See section I.F.4 to change rotational constant units
Geometric Data calculated at CBS-Q

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.000
H2 0.000 0.882 0.623
H3 0.000 -0.882 0.623
H4 -0.882 0.000 -0.624
H5 0.882 0.000 -0.624

Atom - Atom Distances (Å)
  C1 H2 H3 H4 H5
C11.07981.07981.07991.0799
H21.07981.76341.76341.7634
H31.07981.76341.76341.7634
H41.07991.76341.76341.7635
H51.07991.76341.76341.7635

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 109.476 H2 C1 D4 109.472
H2 C1 D5 109.472 H3 C1 D4 109.472
H3 C1 D5 109.472 D4 C1 D5 109.464
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability