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

using model chemistry: HF_cp_opt/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_cp_opt/aug-cc-pVTZ
 hartrees
Energy at 0K-132.289165
Energy at 298.15K-132.293328
Nuclear repulsion energy12.103582
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/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 3818 112.20      
2 A' 4010 3649 330.00      
3 A' 3807 3465 10.72      
4 A' 3684 3353 0.03      
5 A' 1789 1628 7.79      
6 A' 1775 1615 82.38      
7 A' 1157 1052 187.74      
8 A' 403 367 91.92      
9 A' 171 156 47.89      
10 A' 145 132 6.40      
11 A" 3805 3463 11.95      
12 A" 1787 1626 20.62      
13 A" 623 567 137.56      
14 A" 167 152 41.57      
15 A" 13 12 77.69      

Unscaled Zero Point Vibrational Energy (zpe) 13764.9 cm-1
Scaled (by 0.91) Zero Point Vibrational Energy (zpe) 12526.0 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/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_cp_opt/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_cp_opt/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.000      
2 O 0.000      
3 N -0.587      
4 H 0.000      
5 H 0.196      
6 H 0.196      
7 H 0.196      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.303 -1.527 0.000 1.557
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -6.255 -0.026 0.000
y -0.026 -4.364 0.000
z 0.000 0.000 -6.176
Traceless
 xyz
x -0.985 -0.026 0.000
y -0.026 1.852 0.000
z 0.000 0.000 -0.866
Polar
3z2-r2-1.732
x2-y2-1.891
xy-0.026
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.848 0.017 0.000
y 0.017 1.930 0.000
z 0.000 0.000 1.845


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