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

using model chemistry: CCSD(T)/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at CCSD(T)/6-31G*
 hartrees
Energy at 0K-132.592717
Energy at 298.15K-132.596986
HF Energy-132.203487
Counterpoise corrected energy-132.590067
CP Energy at 298.15K-132.594366
Counterpoise optimized geometry corrected energy 
CP opt. Energy at 298.15K 
Nuclear repulsion energy38.325692
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 CCSD(T)/6-31G*
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' 3813 3669        
2 A' 3630 3493        
3 A' 3582 3446        
4 A' 3445 3314        
5 A' 1793 1725        
6 A' 1742 1676        
7 A' 1211 1165        
8 A' 445 428        
9 A' 203 195        
10 A' 168 161        
11 A" 3582 3446        
12 A" 1738 1672        
13 A" 697 670        
14 A" 151 146        
15 A" 7 7        

Unscaled Zero Point Vibrational Energy (zpe) 13103.6 cm-1
Scaled (by 0.9621) Zero Point Vibrational Energy (zpe) 12606.9 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 CCSD(T)/6-31G*
ABC
4.86579 0.20297 0.20109

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 0.013 0.613 0.000
O2 -0.036 1.592 0.000
N3 -0.036 -1.407 0.000
H4 0.893 1.870 0.000
H5 0.803 -1.990 0.000
H6 -0.581 -1.689 0.817
H7 -0.581 -1.689 -0.817

Atom - Atom Distances (Å)
  H1 O2 N3 H4 H5 H6 H7
H10.98002.02071.53452.72022.51392.5139
O20.98002.99880.97003.67883.42453.4245
N32.02072.99883.40651.02161.02151.0215
H41.53450.97003.40653.86143.93813.9381
H52.72023.67881.02163.86141.63491.6349
H62.51393.42451.02153.93811.63491.6333
H72.51393.42451.02153.93811.63491.6333

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 103.798 H1 N3 H5 123.398
H1 N3 H6 106.791 H1 N3 H7 106.791
O2 H1 N3 175.712 H5 N3 H6 106.304
H5 N3 H7 106.304 H6 N3 H7 106.154
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at CCSD(T)/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.500      
2 O -0.935      
3 N -1.025      
4 H 0.411      
5 H 0.347      
6 H 0.351      
7 H 0.351      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.332 -3.943 0.000 4.162
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.301 3.732 0.008
y 3.732 -12.030 0.020
z 0.008 0.020 -13.291
Traceless
 xyz
x 1.359 3.732 0.008
y 3.732 0.266 0.020
z 0.008 0.020 -1.625
Polar
3z2-r2-3.250
x2-y20.729
xy3.732
xz0.008
yz0.020


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> 58.764
(<r2>)1/2 7.666