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All results from a given calculation for HDO (Water-d1)

using model chemistry: HF/CEP-31G

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/CEP-31G
 hartrees
Energy at 0K-16.827393
Energy at 298.15K-16.826872
HF Energy-16.827393
Nuclear repulsion energy6.976929
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/CEP-31G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 4129 3722 39.32      
2 A' 2991 2696 15.99      
3 A' 1494 1347 92.98      

Unscaled Zero Point Vibrational Energy (zpe) 4306.5 cm-1
Scaled (by 0.9014) Zero Point Vibrational Energy (zpe) 3881.9 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/CEP-31G
ABC
26.77136 8.59990 6.50898

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/CEP-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.108 0.000
H2 0.790 -0.430 0.000
H3 -0.790 -0.430 0.000

Atom - Atom Distances (Å)
  O1 H2 H3
O10.95600.9561
H20.95601.5807
H30.95611.5807

picture of Water-d1 state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 O1 H3 111.522
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.741      
2 H 0.370      
3 H 0.370      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 -2.590 0.000 2.590
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -3.940 0.000 0.000
y 0.000 -6.507 0.000
z 0.000 0.000 -7.441
Traceless
 xyz
x 3.034 0.000 0.000
y 0.000 -0.816 0.000
z 0.000 0.000 -2.218
Polar
3z2-r2-4.435
x2-y22.567
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.107 0.000 0.000
y 0.000 0.625 0.000
z 0.000 0.000 0.181


<r2> (average value of r2) Å2
<r2> 5.413
(<r2>)1/2 2.327