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

using model chemistry: HF/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 HF/aug-cc-pVTZ
 hartrees
Energy at 0K-132.289247
Energy at 298.15K-132.293395
Counterpoise corrected energy-132.289165
CP Energy at 298.15K-132.293328
Counterpoise optimized geometry corrected energy 
CP opt. Energy at 298.15K 
Nuclear repulsion energy38.312016
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 HF/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' 4195 3819 110.79      
2 A' 4007 3648 331.86      
3 A' 3807 3466 10.63      
4 A' 3684 3354 0.03      
5 A' 1789 1629 7.80      
6 A' 1775 1616 82.58      
7 A' 1157 1053 187.94      
8 A' 404 368 92.16      
9 A' 172 156 48.99      
10 A' 144 131 5.09      
11 A" 3805 3464 11.89      
12 A" 1787 1627 20.66      
13 A" 625 569 138.16      
14 A" 168 153 40.93      
15 A" 4 4 78.39      

Unscaled Zero Point Vibrational Energy (zpe) 13761.2 cm-1
Scaled (by 0.9104) Zero Point Vibrational Energy (zpe) 12528.2 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 HF/aug-cc-pVTZ
ABC
5.08339 0.19128 0.18980

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 0.045 0.686 0.000
O2 -0.037 1.630 0.000
N3 -0.037 -1.465 0.000
H4 0.837 1.975 0.000
H5 0.808 -1.997 0.000
H6 -0.565 -1.726 0.808
H7 -0.565 -1.726 -0.808

Atom - Atom Distances (Å)
  H1 O2 N3 H4 H5 H6 H7
H10.94802.15241.51312.78942.61552.6155
O20.94803.09520.94003.72473.49193.4919
N32.15243.09523.54960.99910.99930.9993
H41.51310.94003.54963.97264.03924.0392
H52.78943.72470.99913.97261.61581.6158
H62.61553.49190.99934.03921.61581.6156
H72.61553.49190.99934.03921.61581.6156

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 106.526 H1 N3 H5 119.990
H1 N3 H6 106.327 H1 N3 H7 106.327
O2 H1 N3 172.790 H5 N3 H6 107.910
H5 N3 H7 107.910 H6 N3 H7 107.866
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.285      
2 O -0.463      
3 N -0.485      
4 H 0.164      
5 H 0.171      
6 H 0.164      
7 H 0.164      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.283 -3.143 0.000 3.394
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.741 3.495 0.000
y 3.495 -12.529 0.000
z 0.000 0.000 -13.640
Traceless
 xyz
x 1.343 3.495 0.000
y 3.495 0.161 0.000
z 0.000 0.000 -1.505
Polar
3z2-r2-3.009
x2-y20.788
xy3.495
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.947 0.102 0.000
y 0.102 3.502 0.000
z 0.000 0.000 2.846


<r2> (average value of r2) Å2
<r2> 61.814
(<r2>)1/2 7.862