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

using model chemistry: PBE1PBE/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 PBE1PBE/3-21G
 hartrees
Energy at 0K-75.892567
Energy at 298.15K-75.892047
HF Energy-75.892567
Nuclear repulsion energy8.882968
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 PBE1PBE/3-21G
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' 3577 3435 3.04      
2 A' 2593 2490 2.59      
3 A' 1489 1430 42.92      

Unscaled Zero Point Vibrational Energy (zpe) 3829.5 cm-1
Scaled (by 0.9604) Zero Point Vibrational Energy (zpe) 3677.9 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 PBE1PBE/3-21G
ABC
21.62530 8.52308 6.11357

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.121 0.000
H2 0.784 -0.485 0.000
H3 -0.784 -0.485 0.000

Atom - Atom Distances (Å)
  O1 H2 H3
O10.99080.9908
H20.99081.5672
H30.99081.5672

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 104.534
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.671      
2 H 0.336      
3 H 0.336      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 -2.300 0.000 2.300
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -4.165 0.000 0.000
y 0.000 -5.827 0.000
z 0.000 0.000 -6.865
Traceless
 xyz
x 2.181 0.000 0.000
y 0.000 -0.312 0.000
z 0.000 0.000 -1.869
Polar
3z2-r2-3.738
x2-y21.662
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.075 0.000 0.000
y 0.000 0.641 0.000
z 0.000 0.000 0.120


<r2> (average value of r2) Å2
<r2> 5.326
(<r2>)1/2 2.308