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

using model chemistry: PBEPBEultrafine_cp_opt/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_cp_opt/aug-cc-pVTZ
 hartrees
Energy at 0K-132.902801
Energy at 298.15K-132.907224
Nuclear repulsion energy11.846232
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_cp_opt/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' 3766 3728 45.77      
2 A' 3511 3476 10.22      
3 A' 3392 3358 19.73      
4 A' 3354 3321 728.25      
5 A' 1633 1616 6.52      
6 A' 1605 1589 44.96      
7 A' 1062 1052 121.27      
8 A' 472 467 75.05      
9 A' 211 208 27.29      
10 A' 182 180 22.65      
11 A" 3514 3479 9.40      
12 A" 1616 1600 16.96      
13 A" 732 725 71.52      
14 A" 191 189 33.65      
15 A" 18 18 65.15      

Unscaled Zero Point Vibrational Energy (zpe) 12628.8 cm-1
Scaled (by 0.99) Zero Point Vibrational Energy (zpe) 12502.5 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 PBEPBEultrafine_cp_opt/aug-cc-pVTZ
ABC
4.87785 0.21631 0.21428

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -0.062 0.553 0.000
O2 0.040 1.537 0.000
N3 0.040 -1.360 0.000
H4 -0.866 1.880 0.000
H5 1.041 -1.562 0.000
H6 -0.354 -1.823 0.821
H7 -0.354 -1.823 -0.821

Atom - Atom Distances (Å)
  H1 O2 N3 H4 H5 H6 H7
H10.98971.91591.55212.38582.53082.5308
O20.98972.89760.96893.25753.48173.4817
N31.91592.89763.36491.02181.02141.0214
H41.55210.96893.36493.93603.82803.8280
H52.38583.25751.02183.93601.63981.6398
H62.53083.48171.02143.82801.63981.6418
H72.53083.48171.02143.82801.63981.6418

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 104.825 H1 N3 H5 104.460
H1 N3 H6 115.605 H1 N3 H7 115.605
O2 H1 N3 171.041 H5 N3 H6 106.748
H5 N3 H7 106.748 H6 N3 H7 106.969
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine_cp_opt/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.000      
2 O 0.000      
3 N -0.397      
4 H 0.000      
5 H 0.133      
6 H 0.132      
7 H 0.132      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.163 -3.428 0.000 3.620
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.292 -3.084 0.000
y -3.084 -13.244 0.000
z 0.000 0.000 -14.291
Traceless
 xyz
x 1.476 -3.084 0.000
y -3.084 0.048 0.000
z 0.000 0.000 -1.523
Polar
3z2-r2-3.047
x2-y20.952
xy-3.084
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.176 -0.065 0.000
y -0.065 2.508 0.000
z 0.000 0.000 2.164


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