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All results from a given calculation for NH3NH3 (Ammonia Dimer)

using model chemistry: B3LYP_cp/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 no    
Energy calculated at B3LYP_cp/aug-cc-pVTZ
 hartrees
Energy at 0K-56.588836
Energy at 298.15K 
HF Energy-56.588836
Nuclear repulsion energy11.939146
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 B3LYP/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 Ag 3574 3458 0.00      
2 Ag 3458 3346 0.00      
3 Ag 1671 1616 0.00      
4 Ag 1061 1026 0.00      
5 Ag 409 396 0.00      
6 Ag 119 115 0.00      
7 Au 3587 3470 8.30      
8 Au 1679 1624 22.65      
9 Au 206 199 70.75      
10 Au 82 79 24.17      
11 Bg 3587 3470 0.00      
12 Bg 1668 1614 0.00      
13 Bg 107 103 0.00      
14 Bu 3574 3458 41.14      
15 Bu 3460 3347 27.73      
16 Bu 1654 1600 20.50      
17 Bu 1036 1002 307.50      
18 Bu 79i 77i 198.10      

Unscaled Zero Point Vibrational Energy (zpe) 15425.0 cm-1
Scaled (by 0.9675) Zero Point Vibrational Energy (zpe) 14923.7 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 B3LYP/aug-cc-pVTZ
ABC
4.59808 0.17714 0.17406

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/aug-cc-pVTZ

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 0.685 0.868 0.000
N2 0.000 1.617 0.000
N3 0.000 -1.617 0.000
H4 0.177 2.192 0.815
H5 0.177 2.192 -0.815
H6 -0.685 -0.868 0.000
H7 -0.177 -2.192 -0.815
H8 -0.177 -2.192 0.815

Atom - Atom Distances (Å)
  H1 N2 N3 H4 H5 H6 H7 H8
H11.01472.57721.63591.63592.21103.28173.2817
N21.01473.23341.01311.01312.57723.89913.8991
N32.57723.23343.89913.89911.01471.01311.0131
H41.63591.01313.89911.62983.28174.69084.3986
H51.63591.01313.89911.62983.28174.39864.6908
H62.21102.57721.01473.28173.28171.63591.6359
H73.28173.89911.01314.69084.39861.63591.6298
H83.28173.89911.01314.39864.69081.63591.6298

picture of Ammonia Dimer state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.185      
2 N -0.437      
3 N -0.437      
4 H 0.126      
5 H 0.126      
6 H 0.185      
7 H 0.126      
8 H 0.126      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 0.000 0.000
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> 69.528
(<r2>)1/2 8.338