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

using model chemistry: QCISD/cc-pVDZ

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/cc-pVDZ
 hartrees
Energy at 0K-40.383989
Energy at 298.15K 
HF Energy-40.198324
Nuclear repulsion energy13.278966
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/cc-pVDZ
Rotational Constants (cm-1) from geometry optimized at QCISD/cc-pVDZ
ABC
4.22114 3.43989 2.99658

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.000
H2 0.000 0.900 0.637
H3 0.000 -0.900 0.637
H4 -0.900 0.000 -0.637
H5 0.900 0.000 -0.637

Atom - Atom Distances (Å)
  C1 H2 H3 H4 H5
C11.10281.10281.10291.1029
H21.10281.80091.80091.8009
H31.10281.80091.80091.8009
H41.10291.80091.80091.8010
H51.10291.80091.80091.8010

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