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All results from a given calculation for H2OH2O (water dimer)

using model chemistry: TPSSh/aug-cc-pVQZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at TPSSh/aug-cc-pVQZ
 hartrees
Energy at 0K-152.935606
Energy at 298.15K-152.938419
HF Energy-152.935606
Nuclear repulsion energy36.592013
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/aug-cc-pVQZ
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' 3848 3848 70.15      
2 A' 3769 3769 8.11      
3 A' 3631 3631 346.24      
4 A' 1661 1661 33.04      
5 A' 1642 1642 87.17      
6 A' 375 375 43.43      
7 A' 189 189 205.19      
8 A' 159 159 75.82      
9 A" 3869 3869 72.77      
10 A" 643 643 85.87      
11 A" 157 157 10.91      
12 A" 129 129 152.99      

Unscaled Zero Point Vibrational Energy (zpe) 10036.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 10036.2 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/aug-cc-pVQZ
ABC
7.13039 0.21531 0.21529

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/aug-cc-pVQZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 0.101 0.545 0.000
O2 0.001 1.512 0.000
O3 0.001 -1.391 0.000
H4 0.900 1.854 0.000
H5 -0.506 -1.685 0.765
H6 -0.506 -1.685 -0.765

Atom - Atom Distances (Å)
  H1 O2 O3 H4 H5 H6
H10.97231.93801.53402.43472.4347
O20.97232.90250.96223.32653.3265
O31.93802.90253.36720.96380.9638
H41.53400.96223.36723.88493.8849
H52.43473.32650.96383.88491.5295
H62.43473.32650.96383.88491.5295

picture of water dimer state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H1 O2 H4 104.933 H1 O3 H5 109.436
H1 O3 H6 109.436 O2 H1 O3 171.131
H5 O3 H6 105.026
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/aug-cc-pVQZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.182      
2 O -0.487      
3 O -0.522      
4 H 0.261      
5 H 0.283      
6 H 0.283      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.106 -2.540 0.000 2.542
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 2.817 0.151 0.000
y 0.151 3.347 0.000
z 0.000 0.000 2.862


<r2> (average value of r2) Å2
<r2> 53.327
(<r2>)1/2 7.303