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

using model chemistry: MP2_cp/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 MP2_cp/aug-cc-pVTZ
 hartrees
Energy at 0K-132.799256
Energy at 298.15K-132.792321
Nuclear repulsion energy 
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 MP2/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' 3908 3724 85.78      
2 A' 3642 3471 17.29      
3 A' 3588 3419 569.69      
4 A' 3499 3334 2.03      
5 A' 1679 1600 1.72      
6 A' 1654 1576 55.54      
7 A' 1094 1042 146.77      
8 A' 461 439 82.26      
9 A' 201 192 26.34      
10 A' 169 161 30.09      
11 A" 3646 3475 15.88      
12 A" 1669 1591 16.66      
13 A" 716 682 86.39      
14 A" 179 170 42.96      
15 A" 13 12 66.37      

Unscaled Zero Point Vibrational Energy (zpe) 13058.5 cm-1
Scaled (by 0.9529) Zero Point Vibrational Energy (zpe) 12443.4 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 MP2/aug-cc-pVTZ
ABC
4.98514 0.21291 0.21102

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -0.077 0.579 0.000
O2 0.038 1.547 0.000
N3 0.038 -1.375 0.000
H4 -0.855 1.899 0.000
H5 1.037 -1.542 0.000
H6 -0.338 -1.845 0.814
H7 -0.338 -1.845 -0.814

Atom - Atom Distances (Å)
  H1 O2 N3 H4 H5 H6 H7
H10.97501.95751.53282.39572.57052.5705
O20.97502.92240.96033.24693.50893.5089
N31.95752.92243.39401.01291.01241.0124
H41.53280.96033.39403.92733.86653.8665
H52.39573.24691.01293.92731.62651.6265
H62.57053.50891.01243.86651.62651.6281
H72.57053.50891.01243.86651.62651.6281

picture of Water Ammonia Dimer state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at MP2/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.286      
2 O -0.510      
3 N -0.417      
4 H 0.185      
5 H 0.141      
6 H 0.158      
7 H 0.158      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.273 -3.370 0.000 3.603
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


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


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