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

using model chemistry: PBEPBEultrafine/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 PBEPBEultrafine/aug-cc-pVTZ
 hartrees
Energy at 0K-132.902894
Energy at 298.15K-132.907319
Counterpoise corrected energy-132.902801
CP Energy at 298.15K-132.907224
Counterpoise optimized geometry corrected energy 
CP opt. Energy at 298.15K 
Nuclear repulsion energy38.897348
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/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' 3765 3723 45.27      
2 A' 3511 3471 10.12      
3 A' 3392 3354 17.80      
4 A' 3350 3313 736.86      
5 A' 1633 1615 6.69      
6 A' 1605 1587 44.96      
7 A' 1064 1052 121.84      
8 A' 474 469 75.18      
9 A' 211 209 27.00      
10 A' 183 181 22.83      
11 A" 3514 3474 9.29      
12 A" 1616 1598 16.98      
13 A" 736 728 71.67      
14 A" 191 189 33.40      
15 A" 15 15 65.31      

Unscaled Zero Point Vibrational Energy (zpe) 12630.2 cm-1
Scaled (by 0.9888) Zero Point Vibrational Energy (zpe) 12488.8 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/aug-cc-pVTZ
ABC
4.87721 0.21677 0.21473

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -0.062 0.551 0.000
O2 0.040 1.536 0.000
N3 0.040 -1.359 0.000
H4 -0.866 1.879 0.000
H5 1.041 -1.562 0.000
H6 -0.354 -1.821 0.821
H7 -0.354 -1.821 -0.821

Atom - Atom Distances (Å)
  H1 O2 N3 H4 H5 H6 H7
H10.98981.91251.55232.38352.52742.5274
O20.98982.89430.96893.25533.47833.4783
N31.91252.89433.36171.02181.02141.0214
H41.55230.96893.36173.93393.82433.8243
H52.38353.25531.02183.93391.63981.6398
H62.52743.47831.02143.82431.63981.6418
H72.52743.47831.02143.82431.63981.6418

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 104.840 H1 N3 H5 104.508
H1 N3 H6 115.581 H1 N3 H7 115.581
O2 H1 N3 171.068 H5 N3 H6 106.750
H5 N3 H7 106.750 H6 N3 H7 106.970
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.203      
2 O -0.397      
3 N -0.256      
4 H 0.128      
5 H 0.100      
6 H 0.111      
7 H 0.111      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.164 -3.432 0.000 3.624
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.291 -3.082 0.000
y -3.082 -13.250 0.000
z 0.000 0.000 -14.291
Traceless
 xyz
x 1.480 -3.082 0.000
y -3.082 0.041 0.000
z 0.000 0.000 -1.521
Polar
3z2-r2-3.041
x2-y20.959
xy-3.082
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.510 -0.169 0.000
y -0.169 4.744 0.000
z 0.000 0.000 3.522


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