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

using model chemistry: HSEh1PBE/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 HSEh1PBE/6-31G*
 hartrees
Energy at 0K-152.677404
Energy at 298.15K-152.680217
HF Energy-152.677404
Nuclear repulsion energy37.152050
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 HSEh1PBE/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' 3879 3689 55.19      
2 A' 3784 3599 15.12      
3 A' 3667 3487 304.76      
4 A' 1751 1665 80.25      
5 A' 1718 1634 79.26      
6 A' 464 441 33.13      
7 A' 241 229 154.65      
8 A' 148 140 273.26      
9 A" 3903 3711 59.66      
10 A" 705 671 132.41      
11 A" 174 166 201.28      
12 A" 31 30 29.06      

Unscaled Zero Point Vibrational Energy (zpe) 10232.6 cm-1
Scaled (by 0.951) Zero Point Vibrational Energy (zpe) 9731.2 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 HSEh1PBE/6-31G*
ABC
6.70223 0.22850 0.22796

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 0.167 0.495 0.000
O2 0.007 1.456 0.000
O3 0.007 -1.382 0.000
H4 0.891 1.840 0.000
H5 -0.582 -1.462 0.762
H6 -0.582 -1.462 -0.762

Atom - Atom Distances (Å)
  H1 O2 O3 H4 H5 H6
H10.97441.88411.52762.22952.2295
O20.97442.83850.96393.07283.0728
O31.88412.83853.34160.96650.9665
H41.52760.96393.34163.69503.6950
H52.22953.07280.96653.69501.5247
H62.22953.07280.96653.69501.5247

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