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

using model chemistry: MP2/LANL2DZ

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/LANL2DZ
 hartrees
Energy at 0K-132.442877
Energy at 298.15K-132.447606
Counterpoise corrected energy 
CP Energy at 298.15K 
Counterpoise optimized geometry corrected energy 
CP opt. Energy at 298.15K 
Nuclear repulsion energy38.888600
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/LANL2DZ
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' 3818 3677 54.65      
2 A' 3669 3534 10.22      
3 A' 3484 3356 6.23      
4 A' 3417 3291 477.15      
5 A' 1724 1660 31.59      
6 A' 1690 1628 121.55      
7 A' 1034 995 358.23      
8 A' 556 535 137.22      
9 A' 244 235 57.30      
10 A' 204 197 24.33      
11 A" 3673 3538 8.72      
12 A" 1726 1662 45.37      
13 A" 874 842 281.99      
14 A" 237 228 29.28      
15 A" 55 53 156.22      

Unscaled Zero Point Vibrational Energy (zpe) 13201.6 cm-1
Scaled (by 0.9631) Zero Point Vibrational Energy (zpe) 12714.5 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/LANL2DZ
ABC
4.74190 0.21864 0.21674

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/LANL2DZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 0.039 0.525 0.000
O2 -0.039 1.518 0.000
N3 -0.039 -1.371 0.000
H4 0.837 1.951 0.000
H5 0.382 -1.764 0.845
H6 -1.055 -1.493 0.000
H7 0.382 -1.764 -0.845

Atom - Atom Distances (Å)
  H1 O2 N3 H4 H5 H6 H7
H10.99541.89811.63322.46442.29592.4644
O20.99542.88880.97683.41493.17763.4149
N31.89812.88883.43521.02231.02301.0223
H41.63320.97683.43523.83683.92903.8368
H52.46443.41491.02233.83681.68821.6896
H62.29593.17761.02303.92901.68821.6882
H72.46443.41491.02233.83681.68961.6882

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 111.805 H1 N3 H5 111.549
H1 N3 H6 99.214 H1 N3 H7 111.549
O2 H1 N3 173.141 H5 N3 H6 111.257
H5 N3 H7 111.454 H6 N3 H7 111.257
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at MP2/LANL2DZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.495      
2 O -0.870      
3 N -0.996      
4 H 0.369      
5 H 0.331      
6 H 0.339      
7 H 0.331      


Electric dipole moments


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