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

using model chemistry: HF/daug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at HF/daug-cc-pVTZ
 hartrees
Energy at 0K-40.213738
Energy at 298.15K-40.213494
HF Energy-40.213738
Nuclear repulsion energy13.532997
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 HF/daug-cc-pVTZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 3201 2895 20.90      
2 A1 2311 2091 6.91      
3 A1 1569 1419 3.63      
4 A1 1131 1023 4.03      
5 A2 1443 1305 0.00      
6 B1 2403 2174 18.04      
7 B1 1367 1236 9.04      
8 B2 3245 2935 37.48      
9 B2 1206 1091 6.40      

Unscaled Zero Point Vibrational Energy (zpe) 8937.7 cm-1
Scaled (by 0.9046) Zero Point Vibrational Energy (zpe) 8085.0 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at HF/daug-cc-pVTZ
ABC
4.38409 3.57279 3.11237

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/daug-cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.000
H2 0.000 0.884 0.625
H3 0.000 -0.884 0.625
H4 -0.884 0.000 -0.625
H5 0.884 0.000 -0.625

Atom - Atom Distances (Å)
  C1 H2 H3 H4 H5
C11.08211.08211.08221.0822
H21.08211.76711.76711.7671
H31.08211.76711.76711.7671
H41.08221.76711.76711.7671
H51.08221.76711.76711.7671

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 109.475 H2 C1 D4 109.471
H2 C1 D5 109.471 H3 C1 D4 109.471
H3 C1 D5 109.471 D4 C1 D5 109.468
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/daug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -1.895      
2 H 0.474      
3 H 0.474      
4 H 0.474      
5 H 0.474      


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 -8.394 0.000 0.000
y 0.000 -8.393 0.000
z 0.000 0.000 -8.394
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-r2-0.000
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 2.349 0.000 0.000
y 0.000 2.349 0.000
z 0.000 0.000 2.349


<r2> (average value of r2) Å2
<r2> 9.927
(<r2>)1/2 3.151