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

using model chemistry: B3LYP/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at B3LYP/6-31G(2df,p)
 hartrees
Energy at 0K-132.998150
Energy at 298.15K 
HF Energy-132.998150
Counterpoise corrected energy 
CP Energy at 298.15K 
Counterpoise optimized geometry corrected energy 
CP opt. Energy at 298.15K 
Nuclear repulsion energy38.628615
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 B3LYP/6-31G(2df,p)
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' 3869 3733 34.54      
2 A' 3610 3483 450.12      
3 A' 3595 3469 5.51      
4 A' 3474 3353 1.77      
5 A' 1710 1650 47.00      
6 A' 1675 1616 29.59      
7 A' 1107 1068 112.06      
8 A' 425 410 77.55      
9 A' 194 187 9.56      
10 A' 168 162 32.45      
11 A" 3595 3469 5.85      
12 A" 1674 1615 16.44      
13 A" 641 618 120.21      
14 A" 137 132 20.93      
15 A" 45i 44i 66.88      

Unscaled Zero Point Vibrational Energy (zpe) 12913.3 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 12461.4 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 B3LYP/6-31G(2df,p)
ABC
4.86344 0.20704 0.20504

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -0.012 0.605 0.000
O2 -0.040 1.578 0.000
N3 -0.040 -1.392 0.000
H4 0.887 1.833 0.000
H5 0.839 -1.902 0.000
H6 -0.559 -1.708 0.814
H7 -0.559 -1.708 -0.814

Atom - Atom Distances (Å)
  H1 O2 N3 H4 H5 H6 H7
H10.97431.99711.52192.64722.51192.5119
O20.97432.97080.96103.59003.42533.4253
N31.99712.97083.35551.01591.01611.0161
H41.52190.96103.35553.73533.91023.9102
H52.64723.59001.01593.73531.62951.6295
H62.51193.42531.01613.91021.62951.6286
H72.51193.42531.01613.91021.62951.6286

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 103.691 H1 N3 H5 119.329
H1 N3 H6 108.524 H1 N3 H7 108.524
O2 H1 N3 177.545 H5 N3 H6 106.628
H5 N3 H7 106.628 H6 N3 H7 106.535
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability