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

using model chemistry: HF_cp_opt/6-31+G**

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/6-31+G**
 hartrees
Energy at 0K-132.240623
Energy at 298.15K-132.244824
Nuclear repulsion energy12.081281
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/6-31+G**
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' 4239 3833 123.02      
2 A' 4041 3654 329.45      
3 A' 3852 3483 11.41      
4 A' 3709 3353 0.93      
5 A' 1803 1630 30.00      
6 A' 1769 1599 99.44      
7 A' 1161 1050 280.19      
8 A' 412 373 118.25      
9 A' 177 160 61.20      
10 A' 144 130 18.98      
11 A" 3849 3480 13.23      
12 A" 1801 1628 32.62      
13 A" 650 588 219.79      
14 A" 169 153 54.42      
15 A" 19 18 96.15      

Unscaled Zero Point Vibrational Energy (zpe) 13897.7 cm-1
Scaled (by 0.9042) Zero Point Vibrational Energy (zpe) 12566.3 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/6-31+G**
ABC
5.08680 0.19076 0.18935

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 0.051 0.684 0.000
O2 -0.035 1.630 0.000
N3 -0.035 -1.470 0.000
H4 0.837 1.989 0.000
H5 0.786 -2.043 0.000
H6 -0.577 -1.692 0.812
H7 -0.577 -1.692 -0.812

Atom - Atom Distances (Å)
  H1 O2 N3 H4 H5 H6 H7
H10.95052.15551.52322.82402.58772.5877
O20.95053.10040.94213.76383.46263.4626
N32.15553.10043.56671.00051.00101.0010
H41.52320.94213.56674.03204.02524.0252
H52.82403.76381.00054.03201.62421.6242
H62.58773.46261.00104.02521.62421.6234
H72.58773.46261.00104.02521.62421.6234

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 107.184 H1 N3 H5 122.662
H1 N3 H6 104.060 H1 N3 H7 104.060
O2 H1 N3 172.555 H5 N3 H6 108.485
H5 N3 H7 108.485 H6 N3 H7 108.371
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF_cp_opt/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.000      
2 O 0.000      
3 N -0.882      
4 H 0.000      
5 H 0.294      
6 H 0.294      
7 H 0.294      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.409 -3.357 0.000 3.641
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -6.276 -0.003 0.000
y -0.003 -3.805 0.000
z 0.000 0.000 -6.125
Traceless
 xyz
x -1.311 -0.003 0.000
y -0.003 2.396 0.000
z 0.000 0.000 -1.085
Polar
3z2-r2-2.169
x2-y2-2.471
xy-0.003
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.413 0.010 0.000
y 0.010 1.446 0.000
z 0.000 0.000 1.411


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