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

using model chemistry: B2PLYP=FULLultrafine/STO-3G

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=FULLultrafine/STO-3G
 hartrees
Energy at 0K-150.454505
Energy at 298.15K 
HF Energy-150.424673
Nuclear repulsion energy37.543776
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=FULLultrafine/STO-3G
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' 3904 3904 106.88      
2 A' 3748 3748 37.65      
3 A' 3648 3648 381.69      
4 A' 2090 2090 4.50      
5 A' 2014 2014 7.04      
6 A' 597 597 54.04      
7 A' 371 371 119.32      
8 A' 316 316 65.47      
9 A" 3986 3986 19.47      
10 A" 892 892 77.11      
11 A" 367 367 4.64      
12 A" 112 112 97.63      

Unscaled Zero Point Vibrational Energy (zpe) 11022.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 11022.6 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=FULLultrafine/STO-3G
ABC
6.06665 0.25714 0.25562

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULLultrafine/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 0.040 0.375 0.000
O2 0.010 1.400 0.000
O3 0.010 -1.265 0.000
H4 1.013 1.571 0.000
H5 -0.605 -1.513 0.770
H6 -0.605 -1.513 -0.770

Atom - Atom Distances (Å)
  H1 O2 O3 H4 H5 H6
H11.02611.64001.54252.13802.1380
O21.02612.66541.01793.07513.0751
O31.64002.66543.00861.01611.0161
H41.54251.01793.00863.56693.5669
H52.13803.07511.01613.56691.5400
H62.13803.07511.01613.56691.5400

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 97.986 H1 O3 H5 104.753
H1 O3 H6 104.753 O2 H1 O3 177.268
H5 O3 H6 98.532
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability