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All results from a given calculation for H2O (Water)

using model chemistry: TPSSh/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at TPSSh/STO-3G
 hartrees
Energy at 0K-75.336100
Energy at 298.15K-75.337199
HF Energy-75.336100
Nuclear repulsion energy8.557655
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 TPSSh/STO-3G
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 3582 3582 73.74 38.31 0.17 0.28
2 A1 2026 2026 2.15 9.84 0.74 0.85
3 B2 3802 3802 57.91 19.48 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 4704.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4704.7 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 TPSSh/STO-3G
ABC
20.03783 14.11419 8.28114

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.137
H2 0.000 0.770 -0.548
H3 0.000 -0.770 -0.548

Atom - Atom Distances (Å)
  O1 H2 H3
O11.03081.0308
H21.03081.5395
H31.03081.5395

picture of Water state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 O1 H3 96.624
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.287      
2 H 0.143      
3 H 0.143      


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 -1.552 1.552
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.004 0.000 0.000
y 0.000 0.842 0.000
z 0.000 0.000 0.464


<r2> (average value of r2) Å2
<r2> 5.287
(<r2>)1/2 2.299