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

using model chemistry: PBEPBEultrafine/3-21G

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/3-21G
 hartrees
Energy at 0K-132.062055
Energy at 298.15K-132.069626
Counterpoise corrected energy-132.054846
CP Energy at 298.15K-132.059650
Counterpoise optimized geometry corrected energy 
CP opt. Energy at 298.15K 
Nuclear repulsion energy39.140667
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/3-21G
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 3460 3429 3.04      
2 A 3460 3429 3.04      
3 A 3458 3426 2.22      
4 A 3458 3426 2.21      
5 A 3368 3337 36.36      
6 A 3368 3337 36.36      
7 A 3306 3275 0.38      
8 A 3306 3275 0.38      
9 A 2856 2830 567.84      
10 A 2856 2830 567.83      
11 A 1741 1725 53.03      
12 A 1741 1725 53.03      
13 A 1698 1683 29.24      
14 A 1698 1683 29.23      
15 A 1693 1678 18.43      

Unscaled Zero Point Vibrational Energy (zpe) 20732.2 cm-1
Scaled (by 0.9909) Zero Point Vibrational Energy (zpe) 20543.6 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/3-21G
ABC
4.46179 0.23314 0.23027

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBEultrafine/3-21G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 0.450 -0.058 -0.000
O2 1.489 -0.109 -0.000
N3 -1.312 0.015 -0.000
H4 1.754 0.864 0.000
H5 -1.606 -0.507 -0.840
H6 -1.606 -0.492 0.849
H7 -1.722 0.962 -0.009

Atom - Atom Distances (Å)
  H1 O2 N3 H4 H5 H6 H7
H11.03991.76371.59642.26582.26712.3997
O21.03992.80351.00803.23123.23263.3846
N31.76372.80353.18061.03181.03181.0318
H41.59641.00803.18063.72403.72123.4766
H52.26583.23121.03183.72401.68951.6918
H62.26713.23261.03183.72121.68951.6918
H72.39973.38461.03183.47661.69181.6918

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 102.421 H1 N3 H5 105.272
H1 N3 H6 105.365 H1 N3 H7 115.789
O2 H1 N3 179.589 H5 N3 H6 109.911
H5 N3 H7 110.126 H6 N3 H7 110.131
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.320      
2 O -0.703      
3 N -0.765      
4 H 0.266      
5 H 0.296      
6 H 0.296      
7 H 0.289      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -4.765 1.495 0.000 4.994
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.347 3.039 0.002
y 3.039 -11.222 -0.002
z 0.002 -0.002 -12.602
Traceless
 xyz
x -0.435 3.039 0.002
y 3.039 1.252 -0.002
z 0.002 -0.002 -0.818
Polar
3z2-r2-1.635
x2-y2-1.125
xy3.039
xz0.002
yz-0.002


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.367 0.199 0.000
y 0.199 2.094 0.000
z 0.000 0.000 1.342


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