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

using model chemistry: B3LYPultrafine/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3LYPultrafine/TZVP
 hartrees
Energy at 0K-152.930793
Energy at 298.15K-152.933596
HF Energy-152.930793
Counterpoise corrected energy 
CP Energy at 298.15K 
Counterpoise optimized geometry corrected energy 
CP opt. Energy at 298.15K 
Nuclear repulsion energy36.598190
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 B3LYPultrafine/TZVP
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' 3869 3728 63.84      
2 A' 3792 3653 12.37      
3 A' 3679 3544 303.07      
4 A' 1630 1570 46.35      
5 A' 1609 1550 87.18      
6 A' 368 355 109.00      
7 A' 195 187 53.09      
8 A' 157 151 251.90      
9 A" 3897 3754 70.67      
10 A" 651 627 173.60      
11 A" 145 139 187.12      
12 A" 136 131 8.85      

Unscaled Zero Point Vibrational Energy (zpe) 10063.1 cm-1
Scaled (by 0.9634) Zero Point Vibrational Energy (zpe) 9694.7 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 B3LYPultrafine/TZVP
ABC
7.36037 0.21528 0.21504

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 0.167 0.545 0.000
O2 0.004 1.503 0.000
O3 0.004 -1.413 0.000
H4 0.879 1.905 0.000
H5 -0.558 -1.585 0.766
H6 -0.558 -1.585 -0.766

Atom - Atom Distances (Å)
  H1 O2 O3 H4 H5 H6
H10.97121.96511.53472.37722.3772
O20.97122.91570.96263.23063.2306
O31.96512.91573.43150.96590.9659
H41.53470.96263.43153.85133.8513
H52.37723.23060.96593.85131.5324
H62.37723.23060.96593.85131.5324

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 105.054 H1 O3 H5 103.042
H1 O3 H6 103.042 O2 H1 O3 165.577
H5 O3 H6 104.991
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.280      
2 O -0.566      
3 O -0.551      
4 H 0.258      
5 H 0.290      
6 H 0.290      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.069 -3.185 0.000 3.185
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.015 6.564 0.000
y 6.564 -11.873 0.000
z 0.000 0.000 -11.859
Traceless
 xyz
x -0.148 6.564 0.000
y 6.564 0.064 0.000
z 0.000 0.000 0.085
Polar
3z2-r20.169
x2-y2-0.141
xy6.564
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.863 0.281 0.000
y 0.281 2.383 0.000
z 0.000 0.000 1.875


<r2> (average value of r2) Å2
<r2> 53.254
(<r2>)1/2 7.298