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

using model chemistry: B3LYPultrafine_cp_opt/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_opt/6-311+G(3df,2pd)
 hartrees
Energy at 0K-113.179030
Energy at 298.15K-113.184141
Nuclear repulsion energy11.938292
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_cp_opt/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 3593 3485 8.22      
2 A 3556 3449 59.99      
3 A 3474 3370 2.47      
4 A 3434 3331 89.18      
5 A 1667 1617 14.61      
6 A 1658 1608 17.30      
7 A 1058 1027 100.46      
8 A 1048 1017 196.05      
9 A 370 359 46.16      
10 A 126 122 23.05      
11 A 87 85 63.69      
12 A 3595 3487 7.01      
13 A 3591 3483 1.82      
14 A 1688 1637 11.12      
15 A 1665 1615 19.22      
16 A 246 238 40.80      
17 A 116 112 38.61      
18 A 37 36 12.15      

Unscaled Zero Point Vibrational Energy (zpe) 15503.6 cm-1
Scaled (by 0.97) Zero Point Vibrational Energy (zpe) 15038.5 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 B3LYPultrafine_cp_opt/6-311+G(3df,2pd)
ABC
3.97878 0.16850 0.16663

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine_cp_opt/6-311+G(3df,2pd)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 0.167 0.722 0.000
N2 -0.032 1.720 0.000
N3 -0.032 -1.599 0.000
H4 0.417 2.123 0.814
H5 0.417 2.123 -0.814
H6 -1.044 -1.548 0.000
H7 0.244 -2.133 -0.816
H8 0.244 -2.133 0.816

Atom - Atom Distances (Å)
  H1 N2 N3 H4 H5 H6 H7 H8
H11.01782.32991.63941.63942.57322.97042.9704
N21.01783.31951.01321.01323.42153.94833.9483
N32.32993.31953.83653.83651.01361.01331.0133
H41.63941.01323.83651.62864.03404.56074.2593
H51.63941.01323.83651.62864.03404.25934.5607
H62.57323.42151.01364.03404.03401.63291.6329
H72.97043.94831.01334.56074.25931.63291.6322
H82.97043.94831.01334.25934.56071.63291.6322

picture of Ammonia Dimer state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H1 N2 H4 107.642 H1 N2 H5 107.642
H1 H3 N6 92.010 H1 H3 H7 120.103
H1 H3 H8 120.103 N2 H1 H3 163.812
H4 N2 H5 106.971 N6 H3 H7 107.340
N6 H3 H8 107.340 H7 H3 H8 107.301
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine_cp_opt/6-311+G(3df,2pd) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.000      
2 N 0.000      
3 N -0.358      
4 H 0.000      
5 H 0.000      
6 H 0.120      
7 H 0.119      
8 H 0.119      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.858 -2.138 0.000 2.304
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.059 3.239 0.000
y 3.239 -12.122 0.000
z 0.000 0.000 -12.815
Traceless
 xyz
x -3.591 3.239 0.000
y 3.239 2.315 0.000
z 0.000 0.000 1.276
Polar
3z2-r22.552
x2-y2-3.937
xy3.239
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.898 0.112 0.000
y 0.112 2.117 0.000
z 0.000 0.000 1.850


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