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

using model chemistry: CISD/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 CISD/3-21G*
 hartrees
Energy at 0K-40.089963
Energy at 298.15K 
HF Energy-39.976460
Nuclear repulsion energy13.370057
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 CISD/3-21G*
Rotational Constants (cm-1) from geometry optimized at CISD/3-21G*
ABC
4.27926 3.48724 3.03783

See section I.F.4 to change rotational constant units
Geometric Data calculated at CISD/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 0.894 0.632
H3 0.000 -0.894 0.632
H4 -0.894 0.000 -0.632
H5 0.894 0.000 -0.632

Atom - Atom Distances (Å)
  C1 H2 H3 H4 H5
C11.09531.09531.09531.0953
H21.09531.78861.78871.7887
H31.09531.78861.78871.7887
H41.09531.78871.78871.7887
H51.09531.78871.78871.7887

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