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

using model chemistry: B3LYPultrafine/cc-pVDZ

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/cc-pVDZ
 hartrees
Energy at 0K-152.854443
Energy at 298.15K 
HF Energy-152.854443
Counterpoise corrected energy 
CP Energy at 298.15K 
Counterpoise optimized geometry corrected energy 
CP opt. Energy at 298.15K 
Nuclear repulsion energy36.790383
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/cc-pVDZ
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 3845 3729 49.10      
2 A 3820 3705 44.56      
3 A 3746 3633 11.76      
4 A 3648 3538 283.71      
5 A 1688 1637 47.01      
6 A 1652 1602 63.58      
7 A 679 659 104.57      
8 A 408 396 37.96      
9 A 213 207 49.44      
10 A 181 176 124.95      
11 A 146 142 270.70      
12 A 50i 49i 54.45      

Unscaled Zero Point Vibrational Energy (zpe) 9987.0 cm-1
Scaled (by 0.97) Zero Point Vibrational Energy (zpe) 9687.4 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/cc-pVDZ
ABC
6.62677 0.22159 0.22098

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 0.549 0.017 0.083
O2 1.516 0.116 0.015
O3 -1.399 -0.124 -0.023
H4 1.821 -0.790 -0.133
H5 -1.685 0.289 0.807
H6 -1.621 0.546 -0.689

Atom - Atom Distances (Å)
  H1 O2 O3 H4 H5 H6
H10.97461.95671.52152.36412.3641
O20.97462.92590.96763.30223.2443
O31.95672.92593.29020.97050.9706
H41.52150.96763.29023.78653.7343
H52.36413.30220.97053.78651.5196
H62.36413.24430.97063.73431.5196

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 103.145 H1 O3 H5 102.442
H1 O3 H6 102.443 O2 H1 O3 172.622
H5 O3 H6 103.049
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.105      
2 O -0.307      
3 O -0.228      
4 H 0.124      
5 H 0.153      
6 H 0.153      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.355 0.144 0.018 2.360
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.491 -6.112 -0.387
y -6.112 -11.713 -0.038
z -0.387 -0.038 -11.281
Traceless
 xyz
x -0.994 -6.112 -0.387
y -6.112 0.173 -0.038
z -0.387 -0.038 0.821
Polar
3z2-r21.642
x2-y2-0.778
xy-6.112
xz-0.387
yz-0.038


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.127 -0.321 -0.022
y -0.321 1.642 0.005
z -0.022 0.005 1.528


<r2> (average value of r2) Å2
<r2> 51.549
(<r2>)1/2 7.180