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

using model chemistry: CCSD(T)_cp_opt/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at CCSD(T)_cp_opt/6-31G*
 hartrees
Energy at 0K-132.590067
Energy at 298.15K-132.594366
Nuclear repulsion energy11.849312
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 CCSD(T)_cp_opt/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' 3815 3670        
2 A' 3634 3497        
3 A' 3580 3444        
4 A' 3441 3311        
5 A' 1790 1722        
6 A' 1743 1677        
7 A' 1225 1179        
8 A' 433 416        
9 A' 195 187        
10 A' 159 153        
11 A" 3578 3443        
12 A" 1741 1675        
13 A" 686 660        
14 A" 182 175        
15 A" 19 18        

Unscaled Zero Point Vibrational Energy (zpe) 13110.1 cm-1
Scaled (by 0.9621) Zero Point Vibrational Energy (zpe) 12613.2 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 CCSD(T)_cp_opt/6-31G*
ABC
4.90094 0.19513 0.19344

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)_cp_opt/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 0.039 0.644 0.000
O2 -0.036 1.621 0.000
N3 -0.036 -1.438 0.000
H4 0.885 1.924 0.000
H5 0.792 -2.036 0.000
H6 -0.585 -1.715 0.816
H7 -0.585 -1.715 -0.816

Atom - Atom Distances (Å)
  H1 O2 N3 H4 H5 H6 H7
H10.97952.08361.53472.78392.57342.5734
O20.97953.05890.97003.74933.47803.4780
N32.08363.05893.48651.02151.02181.0218
H41.53470.97003.48653.96154.00944.0094
H52.78393.74931.02153.96151.63281.6328
H62.57343.47801.02184.00941.63281.6317
H72.57343.47801.02184.00941.63281.6317

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 103.854 H1 N3 H5 123.754
H1 N3 H6 106.884 H1 N3 H7 106.884
O2 H1 N3 173.541 H5 N3 H6 106.087
H5 N3 H7 106.087 H6 N3 H7 105.967
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability