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

using model chemistry: wB97X-D/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 wB97X-D/cc-pVDZ
 hartrees
Energy at 0K-40.508350
Energy at 298.15K 
HF Energy-40.508350
Nuclear repulsion energy13.410184
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 wB97X-D/cc-pVDZ
Rotational Constants (cm-1) from geometry optimized at wB97X-D/cc-pVDZ
ABC
5.26001 5.25999 5.25996

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/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 0.882 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
C11.07981.07981.08001.0800
H21.07981.76331.76351.7635
H31.07981.76331.76351.7635
H41.08001.76351.76351.7634
H51.08001.76351.76351.7634

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 109.474 H2 C1 D4 109.473
H2 C1 D5 109.473 H3 C1 D4 109.473
H3 C1 D5 109.473 D4 C1 D5 109.461
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.646      
2 H 0.162      
3 H 0.162      
4 H 0.162      
5 H 0.162      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 0.000 0.000
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -8.396 0.000 0.000
y 0.000 -8.396 0.000
z 0.000 0.000 -8.396
Traceless
 xyz
x -0.000 0.000 0.000
y 0.000 0.000 0.000
z 0.000 0.000 0.000
Polar
3z2-r20.000
x2-y2-0.000
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.022 0.000 0.000
y 0.000 2.022 0.000
z 0.000 0.000 2.027


<r2> (average value of r2) Å2
<r2> 10.014
(<r2>)1/2 3.164