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

using model chemistry: HF/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 HF/TZVP
 hartrees
Energy at 0K-132.205556
Energy at 298.15K-132.209830
HF Energy-132.205556
Counterpoise corrected energy 
CP Energy at 298.15K 
Counterpoise optimized geometry corrected energy 
CP opt. Energy at 298.15K 
Nuclear repulsion energy38.536962
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/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' 4149 3770 82.81      
2 A' 3967 3604 315.89      
3 A' 3824 3475 5.14      
4 A' 3693 3356 3.58      
5 A' 1868 1697 94.53      
6 A' 1846 1678 34.00      
7 A' 1253 1139 204.81      
8 A' 426 387 124.69      
9 A' 185 168 19.31      
10 A' 161 146 46.77      
11 A" 3826 3476 6.12      
12 A" 1844 1675 25.11      
13 A" 673 612 245.76      
14 A" 154 140 45.08      
15 A" 28 26 83.05      

Unscaled Zero Point Vibrational Energy (zpe) 13948.2 cm-1
Scaled (by 0.9086) Zero Point Vibrational Energy (zpe) 12673.4 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/TZVP
ABC
5.02720 0.19832 0.19664

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 0.006 0.653 0.000
O2 -0.035 1.607 0.000
N3 -0.035 -1.432 0.000
H4 0.866 1.896 0.000
H5 0.798 -1.990 0.000
H6 -0.570 -1.695 0.807
H7 -0.570 -1.695 -0.807

Atom - Atom Distances (Å)
  H1 O2 N3 H4 H5 H6 H7
H10.95532.08541.51232.75852.54792.5479
O20.95533.03940.94663.69203.44053.4405
N32.08543.03943.44871.00291.00281.0028
H41.51230.94663.44873.88663.95063.9506
H52.75853.69201.00293.88661.61561.6156
H62.54793.44051.00283.95061.61561.6143
H72.54793.44051.00283.95061.61561.6143

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 105.336 H1 N3 H5 122.619
H1 N3 H6 105.777 H1 N3 H7 105.777
O2 H1 N3 176.401 H5 N3 H6 107.319
H5 N3 H7 107.319 H6 N3 H7 107.201
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.495      
2 O -0.934      
3 N -1.029      
4 H 0.416      
5 H 0.348      
6 H 0.352      
7 H 0.352      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.332 -3.765 0.000 3.993
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.288 3.729 0.000
y 3.729 -11.962 0.000
z 0.000 0.000 -13.197
Traceless
 xyz
x 1.292 3.729 0.000
y 3.729 0.280 0.000
z 0.000 0.000 -1.572
Polar
3z2-r2-3.144
x2-y20.674
xy3.729
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.064 0.076 0.000
y 0.076 2.233 0.000
z 0.000 0.000 1.684


<r2> (average value of r2) Å2
<r2> 59.692
(<r2>)1/2 7.726