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

using model chemistry: HF_cp_opt/6-31G*

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_cp_opt/6-31G*
 hartrees
Energy at 0K-132.204433
Energy at 298.15K-132.208726
Nuclear repulsion energy12.063415
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_cp_opt/6-31G*
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' 4151 3730 80.96      
2 A' 3966 3563 314.03      
3 A' 3824 3435 3.95      
4 A' 3691 3317 3.05      
5 A' 1870 1680 92.02      
6 A' 1847 1660 33.49      
7 A' 1260 1132 237.86      
8 A' 434 390 125.04      
9 A' 190 171 49.29      
10 A' 160 144 20.76      
11 A" 3823 3435 5.00      
12 A" 1845 1658 24.52      
13 A" 683 614 234.15      
14 A" 183 165 51.96      
15 A" 13 12 85.95      

Unscaled Zero Point Vibrational Energy (zpe) 13969.6 cm-1
Scaled (by 0.8985) Zero Point Vibrational Energy (zpe) 12551.7 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_cp_opt/6-31G*
ABC
5.03676 0.19442 0.19282

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF_cp_opt/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 0.019 0.668 0.000
O2 -0.036 1.622 0.000
N3 -0.036 -1.448 0.000
H4 0.860 1.925 0.000
H5 0.801 -2.000 0.000
H6 -0.568 -1.715 0.807
H7 -0.568 -1.715 -0.807

Atom - Atom Distances (Å)
  H1 O2 N3 H4 H5 H6 H7
H10.95512.11701.51242.78012.58412.5841
O20.95513.06980.94653.71693.47433.4743
N32.11703.06983.49021.00281.00301.0030
H41.51240.94653.49023.92493.99303.9930
H52.78013.71691.00283.92491.61501.6150
H62.58413.47431.00303.99301.61501.6141
H72.58413.47431.00303.99301.61501.6141

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 105.368 H1 N3 H5 121.866
H1 N3 H6 106.271 H1 N3 H7 106.271
O2 H1 N3 175.191 H5 N3 H6 107.257
H5 N3 H7 107.257 H6 N3 H7 107.156
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF_cp_opt/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.000      
2 O 0.000      
3 N -0.996      
4 H 0.000      
5 H 0.332      
6 H 0.332      
7 H 0.332      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.364 -3.727 0.000 3.969
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -6.127 0.157 0.000
y 0.157 -2.919 0.000
z 0.000 0.000 -6.062
Traceless
 xyz
x -1.636 0.157 0.000
y 0.157 3.175 0.000
z 0.000 0.000 -1.539
Polar
3z2-r2-3.077
x2-y2-3.208
xy0.157
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.308 -0.110 0.000
y -0.110 0.801 0.000
z 0.000 0.000 1.330


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