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

using model chemistry: B2PLYP=FULL/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B2PLYP=FULL/6-31G**
 hartrees
Energy at 0K-152.712904
Energy at 298.15K-152.715703
HF Energy-152.583456
Nuclear repulsion energy36.868011
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 B2PLYP=FULL/6-31G**
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' 3938 3938 60.04      
2 A' 3837 3837 10.85      
3 A' 3756 3756 236.01      
4 A' 1709 1709 70.86      
5 A' 1675 1675 74.02      
6 A' 437 437 33.35      
7 A' 216 216 151.95      
8 A' 145 145 251.44      
9 A" 3954 3954 52.44      
10 A" 669 669 127.14      
11 A" 169 169 176.15      
12 A" 67 67 41.04      

Unscaled Zero Point Vibrational Energy (zpe) 10285.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 10285.0 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 B2PLYP=FULL/6-31G**
ABC
6.74486 0.22083 0.22035

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 0.161 0.525 0.000
O2 0.007 1.482 0.000
O3 0.007 -1.406 0.000
H4 0.890 1.862 0.000
H5 -0.578 -1.496 0.761
H6 -0.578 -1.496 -0.761

Atom - Atom Distances (Å)
  H1 O2 O3 H4 H5 H6
H10.96921.93701.52262.28222.2822
O20.96922.88760.96133.12833.1283
O31.93702.88763.38490.96400.9640
H41.52260.96133.38493.74263.7426
H52.28223.12830.96403.74261.5216
H62.28223.12830.96403.74261.5216

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 104.121 H1 O3 H5 98.120
H1 O3 H6 98.120 O2 H1 O3 166.260
H5 O3 H6 104.232
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability