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

using model chemistry: B3LYPultrafine_cp/6-311+G(3df,2pd)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 no    
Energy calculated at B3LYPultrafine_cp/6-311+G(3df,2pd)
 hartrees
Energy at 0K-113.178160
Energy at 298.15K-113.170443
Nuclear repulsion energy 
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 B3LYPultrafine/6-311+G(3df,2pd)
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 3592 3484 8.23      
2 A 3554 3447 58.74      
3 A 3474 3369 2.46      
4 A 3430 3327 93.60      
5 A 1667 1617 15.66      
6 A 1658 1608 15.35      
7 A 1059 1027 103.37      
8 A 1050 1018 184.31      
9 A 373 362 48.69      
10 A 129 125 23.90      
11 A 92 89 56.98      
12 A 3594 3486 7.28      
13 A 3591 3483 1.75      
14 A 1689 1638 10.80      
15 A 1664 1614 19.05      
16 A 251 244 39.54      
17 A 118 115 37.22      
18 A 36 35 13.52      

Unscaled Zero Point Vibrational Energy (zpe) 15510.1 cm-1
Scaled (by 0.97) Zero Point Vibrational Energy (zpe) 15044.8 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 B3LYPultrafine/6-311+G(3df,2pd)
ABC
3.95686 0.16916 0.16732

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/6-311+G(3df,2pd)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 0.153 0.717 0.000
N2 -0.033 1.718 0.000
N3 -0.033 -1.594 0.000
H4 0.421 2.115 0.814
H5 0.421 2.115 -0.814
H6 -1.047 -1.573 0.000
H7 0.257 -2.121 -0.816
H8 0.257 -2.121 0.816

Atom - Atom Distances (Å)
  H1 N2 N3 H4 H5 H6 H7 H8
H11.01802.31931.63961.63962.58542.95472.9547
N21.01803.31271.01321.01323.44363.93533.9353
N32.31933.31273.82483.82481.01371.01331.0133
H41.63961.01323.82481.62854.05184.54144.2387
H51.63961.01323.82481.62854.05184.23874.5414
H62.58543.44361.01374.05184.05181.63281.6328
H72.95473.93531.01334.54144.23871.63281.6318
H82.95473.93531.01334.23874.54141.63281.6318

picture of Ammonia Dimer state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/6-311+G(3df,2pd) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.220      
2 N -0.425      
3 N -0.358      
4 H 0.104      
5 H 0.104      
6 H 0.130      
7 H 0.112      
8 H 0.112      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.893 -2.188 0.000 2.363
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> 0.000
(<r2>)1/2 0.000