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

using model chemistry: PBEPBEultrafine/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 PBEPBEultrafine/6-311+G(3df,2pd)
 hartrees
Energy at 0K-132.899537
Energy at 298.15K-132.903952
Counterpoise corrected energy-132.899100
CP Energy at 298.15K-132.903494
Counterpoise optimized geometry corrected energy 
CP opt. Energy at 298.15K 
Nuclear repulsion energy38.880218
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 PBEPBEultrafine/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' 3793 3755 46.25      
2 A' 3520 3485 10.62      
3 A' 3401 3367 69.63      
4 A' 3384 3351 670.62      
5 A' 1637 1620 11.36      
6 A' 1607 1591 46.03      
7 A' 1062 1051 126.02      
8 A' 472 467 80.53      
9 A' 210 207 29.10      
10 A' 184 182 20.54      
11 A" 3524 3489 9.87      
12 A" 1616 1600 18.52      
13 A" 740 732 85.25      
14 A" 194 193 33.13      
15 A" 14 14 72.22      

Unscaled Zero Point Vibrational Energy (zpe) 12678.6 cm-1
Scaled (by 0.99) Zero Point Vibrational Energy (zpe) 12551.8 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 PBEPBEultrafine/6-311+G(3df,2pd)
ABC
4.87072 0.21606 0.21402

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -0.052 0.555 0.000
O2 0.040 1.539 0.000
N3 0.040 -1.361 0.000
H4 -0.869 1.872 0.000
H5 1.040 -1.567 0.000
H6 -0.356 -1.822 0.821
H7 -0.356 -1.822 -0.821

Atom - Atom Distances (Å)
  H1 O2 N3 H4 H5 H6 H7
H10.98811.91851.54942.38692.53322.5332
O20.98812.90020.96763.26323.48233.4823
N31.91852.90023.35821.02171.02131.0213
H41.54940.96763.35823.93333.81853.8185
H52.38693.26321.02173.93331.63991.6399
H62.53323.48231.02133.81851.63991.6420
H72.53323.48231.02133.81851.63991.6420

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 104.781 H1 N3 H5 104.367
H1 N3 H6 115.602 H1 N3 H7 115.602
O2 H1 N3 171.918 H5 N3 H6 106.780
H5 N3 H7 106.780 H6 N3 H7 107.005
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/6-311+G(3df,2pd) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.344      
2 O -0.474      
3 N -0.299      
4 H 0.141      
5 H 0.101      
6 H 0.094      
7 H 0.094      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.219 -3.467 0.000 3.675
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.224 -3.186 0.000
y -3.186 -13.291 0.000
z 0.000 0.000 -14.257
Traceless
 xyz
x 1.549 -3.186 0.000
y -3.186 -0.050 0.000
z 0.000 0.000 -1.500
Polar
3z2-r2-2.999
x2-y21.066
xy-3.186
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.149 -0.182 0.000
y -0.182 4.477 0.000
z 0.000 0.000 3.170


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