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

using model chemistry: CCSD(T)_cp_opt/6-311+G(3df,2pd)

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/6-311+G(3df,2pd)
 hartrees
Energy at 0K-132.821958
Energy at 298.15K-132.826227
Nuclear repulsion energy11.929018
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/6-311+G(3df,2pd)
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' 3932 3932        
2 A' 3696 3696        
3 A' 3614 3614        
4 A' 3486 3486        
5 A' 1684 1684        
6 A' 1666 1666        
7 A' 1104 1104        
8 A' 427 427        
9 A' 187 187        
10 A' 155 155        
11 A" 3611 3611        
12 A" 1666 1666        
13 A" 673 673        
14 A" 167 167        
15 A" 31 31        

Unscaled Zero Point Vibrational Energy (zpe) 13049.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 13049.1 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/6-311+G(3df,2pd)
ABC
4.99607 0.20528 0.20353

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)_cp_opt/6-311+G(3df,2pd)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 0.077 0.613 0.000
O2 -0.037 1.575 0.000
N3 -0.037 -1.403 0.000
H4 0.855 1.924 0.000
H5 0.787 -1.995 0.000
H6 -0.584 -1.663 0.814
H7 -0.584 -1.663 -0.814

Atom - Atom Distances (Å)
  H1 O2 N3 H4 H5 H6 H7
H10.96912.01901.52492.70302.50602.5060
O20.96912.97830.95783.66433.38393.3839
N32.01902.97833.44451.01431.01461.0146
H41.52490.95783.44453.91983.95003.9500
H52.70303.66431.01433.91981.62821.6282
H62.50603.38391.01463.95001.62821.6275
H72.50603.38391.01463.95001.62821.6275

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 104.622 H1 N3 H5 122.506
H1 N3 H6 106.649 H1 N3 H7 106.649
O2 H1 N3 170.054 H5 N3 H6 106.740
H5 N3 H7 106.740 H6 N3 H7 106.644
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability