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

using model chemistry: CCSD(T)/aug-cc-pVTZ

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)/aug-cc-pVTZ
 hartrees
Energy at 0K-132.833433
Energy at 298.15K-132.837772
Counterpoise corrected energy 
CP Energy at 298.15K 
Counterpoise optimized geometry corrected energy 
CP opt. Energy at 298.15K 
Nuclear repulsion energy38.776428
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)/aug-cc-pVTZ
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' 3884 3767        
2 A' 3624 3515        
3 A' 3594 3486        
4 A' 3466 3361        
5 A' 1685 1634        
6 A' 1670 1620        
7 A' 1112 1078        
8 A' 443 430        
9 A' 197 191        
10 A' 166 161        
11 A" 3592 3484        
12 A" 1671 1621        
13 A" 698 677        
14 A" 171 166        
15 A" 29 28        

Unscaled Zero Point Vibrational Energy (zpe) 12999.9 cm-1
Scaled (by 0.9699) Zero Point Vibrational Energy (zpe) 12608.6 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 CCSD(T)/aug-cc-pVTZ
ABC
4.96816 0.20999 0.20812

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 0.065 0.591 0.000
O2 -0.038 1.559 0.000
N3 -0.038 -1.384 0.000
H4 0.860 1.901 0.000
H5 0.801 -1.955 0.000
H6 -0.578 -1.661 0.814
H7 -0.578 -1.661 -0.814

Atom - Atom Distances (Å)
  H1 O2 N3 H4 H5 H6 H7
H10.97321.97831.53142.65042.47972.4797
O20.97322.94330.96073.61273.36473.3647
N31.97832.94333.40531.01481.01511.0151
H41.53140.96073.40533.85593.92613.9261
H52.65043.61271.01483.85591.62831.6283
H62.47973.36471.01513.92611.62831.6272
H72.47973.36471.01513.92611.62831.6272

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 104.724 H1 N3 H5 121.221
H1 N3 H6 107.454 H1 N3 H7 107.454
O2 H1 N3 170.903 H5 N3 H6 106.674
H5 N3 H7 106.674 H6 N3 H7 106.550
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability