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

using model chemistry: HF/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 HF/6-311+G(3df,2pd)
 hartrees
Energy at 0K-132.286140
Energy at 298.15K-132.290300
Counterpoise corrected energy-132.285793
CP Energy at 298.15K-132.289936
Counterpoise optimized geometry corrected energy 
CP opt. Energy at 298.15K 
Nuclear repulsion energy38.321442
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/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' 4222 3825 111.62      
2 A' 4037 3658 338.95      
3 A' 3813 3455 11.05      
4 A' 3690 3344 0.03      
5 A' 1789 1621 4.53      
6 A' 1779 1612 88.62      
7 A' 1157 1048 192.34      
8 A' 407 368 96.70      
9 A' 174 157 49.10      
10 A' 148 134 4.40      
11 A" 3811 3453 12.31      
12 A" 1786 1618 21.95      
13 A" 634 574 146.31      
14 A" 171 155 41.74      
15 A" 3 3 80.97      

Unscaled Zero Point Vibrational Energy (zpe) 13809.9 cm-1
Scaled (by 0.906) Zero Point Vibrational Energy (zpe) 12511.8 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 HF/6-311+G(3df,2pd)
ABC
5.07683 0.19130 0.18981

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 0.038 0.687 0.000
O2 -0.037 1.631 0.000
N3 -0.037 -1.465 0.000
H4 0.840 1.967 0.000
H5 0.809 -1.996 0.000
H6 -0.564 -1.726 0.808
H7 -0.564 -1.726 -0.808

Atom - Atom Distances (Å)
  H1 O2 N3 H4 H5 H6 H7
H10.94732.15261.51092.79142.61442.6144
O20.94733.09570.93913.72433.49273.4927
N32.15263.09573.54200.99900.99930.9993
H41.51090.93913.54203.96324.03264.0326
H52.79143.72430.99903.96321.61591.6159
H62.61443.49270.99934.03261.61591.6157
H72.61443.49270.99934.03261.61591.6157

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 106.449 H1 N3 H5 120.141
H1 N3 H6 106.231 H1 N3 H7 106.231
O2 H1 N3 173.490 H5 N3 H6 107.921
H5 N3 H7 107.921 H6 N3 H7 107.873
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-311+G(3df,2pd) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.304      
2 O -0.400      
3 N -0.212      
4 H 0.116      
5 H 0.057      
6 H 0.067      
7 H 0.067      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.303 -3.178 0.000 3.435
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.715 3.530 0.000
y 3.530 -12.587 0.000
z 0.000 0.000 -13.641
Traceless
 xyz
x 1.399 3.530 0.000
y 3.530 0.091 0.000
z 0.000 0.000 -1.489
Polar
3z2-r2-2.979
x2-y20.872
xy3.530
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.738 0.109 0.000
y 0.109 3.325 0.000
z 0.000 0.000 2.656


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000