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

using model chemistry: MP2/TZVP

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/TZVP
 hartrees
Energy at 0K-132.703828
Energy at 298.15K 
HF Energy-132.280724
Counterpoise corrected energy 
CP Energy at 298.15K 
Counterpoise optimized geometry corrected energy 
CP opt. Energy at 298.15K 
Nuclear repulsion energy38.876971
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/TZVP
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' 3937 3732 57.67      
2 A' 3665 3474 9.41      
3 A' 3646 3456 479.05      
4 A' 3520 3337 4.34      
5 A' 1666 1579 45.28      
6 A' 1659 1573 19.88      
7 A' 1147 1087 162.20      
8 A' 471 447 114.16      
9 A' 209 198 29.31      
10 A' 172 163 34.64      
11 A" 3665 3474 10.75      
12 A" 1658 1571 22.48      
13 A" 727 689 167.65      
14 A" 184 174 44.86      
15 A" 48i 45i 81.99      

Unscaled Zero Point Vibrational Energy (zpe) 13138.8 cm-1
Scaled (by 0.9479) Zero Point Vibrational Energy (zpe) 12454.3 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/TZVP
ABC
4.93731 0.21167 0.20970

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 0.041 0.586 0.000
O2 -0.039 1.556 0.000
N3 -0.039 -1.378 0.000
H4 0.870 1.863 0.000
H5 0.816 -1.920 0.000
H6 -0.569 -1.668 0.813
H7 -0.569 -1.668 -0.813

Atom - Atom Distances (Å)
  H1 O2 N3 H4 H5 H6 H7
H10.97371.96511.52292.62322.47242.4724
O20.97372.93390.95983.58023.36723.3672
N31.96512.93393.36581.01281.01301.0130
H41.52290.95983.36583.78363.89873.8987
H52.62323.58021.01283.78361.62551.6255
H62.47243.36721.01303.89871.62551.6267
H72.47243.36721.01303.89871.62551.6267

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 103.926 H1 N3 H5 120.064
H1 N3 H6 107.921 H1 N3 H7 107.921
O2 H1 N3 172.958 H5 N3 H6 106.720
H5 N3 H7 106.720 H6 N3 H7 106.822
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability