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All results from a given calculation for H2ONH3 (Water Ammonia Dimer)

using model chemistry: MP2/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at MP2/6-311G*
 hartrees
Energy at 0K-132.629668
Energy at 298.15K-132.634042
HF Energy-132.243254
Counterpoise corrected energy 
CP Energy at 298.15K 
Counterpoise optimized geometry corrected energy 
CP opt. Energy at 298.15K 
Nuclear repulsion energy39.002024
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 MP2/6-311G*
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' 3952 3756 51.05      
2 A' 3705 3521 347.24      
3 A' 3686 3503 6.45      
4 A' 3541 3365 4.28      
5 A' 1801 1711 85.65      
6 A' 1764 1677 40.45      
7 A' 1194 1134 201.30      
8 A' 479 455 122.24      
9 A' 224 213 3.85      
10 A' 180 171 54.49      
11 A" 3686 3503 6.34      
12 A" 1760 1672 33.78      
13 A" 758 720 230.16      
14 A" 137 130 26.09      
15 A" 14 13 108.59      

Unscaled Zero Point Vibrational Energy (zpe) 13440.5 cm-1
Scaled (by 0.9503) Zero Point Vibrational Energy (zpe) 12772.5 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 MP2/6-311G*
ABC
4.92029 0.21325 0.21125

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -0.067 0.633 0.000
O2 -0.035 1.596 0.000
N3 -0.035 -1.416 0.000
H4 0.888 1.845 0.000
H5 0.829 -1.943 0.000
H6 -0.563 -1.696 0.816
H7 -0.563 -1.696 -0.816

Atom - Atom Distances (Å)
  H1 O2 N3 H4 H5 H6 H7
H10.96372.04991.54342.72732.51752.5175
O20.96373.01280.95613.64303.43303.4330
N32.04993.01283.39001.01121.01161.0116
H41.54340.95613.39003.78873.91353.9135
H52.72733.64301.01123.78871.63221.6322
H62.51753.43301.01163.91351.63221.6319
H72.51753.43301.01163.91351.63221.6319

picture of Water Ammonia Dimer state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H1 O2 H4 107.011 H1 N3 H5 122.269
H1 N3 H6 105.559 H1 N3 H7 105.559
O2 H1 N3 177.186 H5 N3 H6 107.590
H5 N3 H7 107.590 H6 N3 H7 107.526
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability