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

using model chemistry: B3LYPultrafine/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 B3LYPultrafine/3-21G
 hartrees
Energy at 0K-132.225489
Energy at 298.15K-132.230165
Counterpoise corrected energy-132.218460
CP Energy at 298.15K-132.223217
Counterpoise optimized geometry corrected energy 
CP opt. Energy at 298.15K 
Nuclear repulsion energy39.171342
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 B3LYPultrafine/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 3539 3414 3.45      
2 A 3537 3412 2.47      
3 A 3483 3361 28.95      
4 A 3392 3273 0.03      
5 A 3072 2965 514.90      
6 A 1770 1708 54.47      
7 A 1741 1680 30.96      
8 A 1736 1675 19.55      
9 A 953 919 247.72      
10 A 903 871 210.25      
11 A 558 538 106.25      
12 A 263 254 5.46      
13 A 224 216 42.66      
14 A 194 187 21.85      
15 A 28 27 82.66      

Unscaled Zero Point Vibrational Energy (zpe) 12695.7 cm-1
Scaled (by 0.9649) Zero Point Vibrational Energy (zpe) 12250.1 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 B3LYPultrafine/3-21G
ABC
4.53644 0.22899 0.22632

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/3-21G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 0.481 -0.063 -0.001
O2 1.499 -0.107 0.000
N3 -1.329 0.015 -0.000
H4 1.781 0.849 -0.000
H5 -1.612 -0.498 -0.838
H6 -1.611 -0.493 0.842
H7 -1.727 0.957 -0.003

Atom - Atom Distances (Å)
  H1 O2 N3 H4 H5 H6 H7
H11.01941.81181.58812.29612.29542.4323
O21.01942.83120.99653.24613.24483.3975
N31.81182.83123.22021.02281.02281.0228
H41.58810.99653.22023.74593.74333.5099
H52.29613.24611.02283.74591.68031.6823
H62.29543.24481.02283.74331.68031.6823
H72.43233.39751.02283.50991.68231.6823

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 103.948 H1 N3 H5 104.738
H1 N3 H6 104.691 H1 N3 H7 115.358
O2 H1 N3 179.928 H5 N3 H6 110.451
H5 N3 H7 110.651 H6 N3 H7 110.651
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.336      
2 O -0.715      
3 N -0.764      
4 H 0.276      
5 H 0.291      
6 H 0.291      
7 H 0.284      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -4.563 1.542 0.001 4.816
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.340 3.171 -0.001
y 3.171 -11.179 0.000
z -0.001 0.000 -12.543
Traceless
 xyz
x -0.480 3.171 -0.001
y 3.171 1.263 0.000
z -0.001 0.000 -0.784
Polar
3z2-r2-1.567
x2-y2-1.162
xy3.171
xz-0.001
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.187 0.201 0.001
y 0.201 2.026 -0.000
z 0.001 -0.000 1.318


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