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

using model chemistry: B1B95/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at B1B95/aug-cc-pVDZ
 hartrees
Energy at 0K-132.904513
Energy at 298.15K-132.908849
Nuclear repulsion energy 
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 B1B95/aug-cc-pVDZ
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' 3875 3711 37.46      
2 A' 3640 3487 5.71      
3 A' 3592 3441 462.70      
4 A' 3502 3355 4.87      
5 A' 1768 1694 54.67      
6 A' 1719 1647 44.47      
7 A' 1165 1116 151.30      
8 A' 464 444 112.24      
9 A' 213 204 13.50      
10 A' 171 164 49.64      
11 A" 3642 3489 4.50      
12 A" 1726 1654 22.92      
13 A" 704 675 192.19      
14 A" 151 145 38.47      
15 A" 12 11 75.91      

Unscaled Zero Point Vibrational Energy (zpe) 13172.4 cm-1
Scaled (by 0.9579) Zero Point Vibrational Energy (zpe) 12617.8 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 B1B95/aug-cc-pVDZ
ABC
4.90911 0.21204 0.21004

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -0.016 0.582 0.000
O2 0.037 1.558 0.000
N3 0.037 -1.375 0.000
H4 -0.884 1.837 0.000
H5 1.034 -1.568 0.000
H6 -0.347 -1.842 0.815
H7 -0.347 -1.842 -0.815

Atom - Atom Distances (Å)
  H1 O2 N3 H4 H5 H6 H7
H10.97741.95741.52642.39232.57842.5784
O20.97742.93270.96263.28083.51713.5171
N31.95742.93273.34161.01491.01471.0147
H41.52640.96263.34163.90813.80643.8064
H52.39233.28081.01493.90811.62641.6264
H62.57843.51711.01473.80641.62641.6291
H72.57843.51711.01473.80641.62641.6291

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 103.772 H1 N3 H5 102.527
H1 N3 H6 116.740 H1 N3 H7 116.740
O2 H1 N3 175.344 H5 N3 H6 106.520
H5 N3 H7 106.520 H6 N3 H7 106.794
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.446      
2 O -0.865      
3 N -0.948      
4 H 0.374      
5 H 0.335      
6 H 0.329      
7 H 0.329      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.267 -3.957 0.000 4.154
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.184 -0.118 0.000
y -0.118 2.568 0.000
z 0.000 0.000 1.749


<r2> (average value of r2) Å2
<r2> 56.619
(<r2>)1/2 7.525