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

using model chemistry: PBEPBEultrafine/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 no    
1 2 no    

Conformer 1 ()

Jump to S1C2
Energy calculated at PBEPBEultrafine/aug-cc-pVDZ
 hartrees
Energy at 0K-112.993703
Energy at 298.15K 
HF Energy-112.993703
Counterpoise corrected energy 
CP Energy at 298.15K 
Counterpoise optimized geometry corrected energy 
CP opt. Energy at 298.15K 
Nuclear repulsion energy39.963201
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-pVDZ
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 3485 3464 0.00      
2 Ag 3355 3335 0.00      
3 Ag 1603 1593 0.00      
4 Ag 1045 1039 0.00      
5 Ag 412 410 0.00      
6 Ag 132 131 0.00      
7 Au 3506 3484 3.69      
8 Au 1608 1598 18.23      
9 Au 211 209 68.77      
10 Au 65 65 23.15      
11 Bg 3505 3484 0.00      
12 Bg 1597 1588 0.00      
13 Bg 85 84 0.00      
14 Bu 3485 3463 33.88      
15 Bu 3357 3337 50.26      
16 Bu 1581 1571 15.17      
17 Bu 1022 1016 257.77      
18 Bu 117i 116i 215.10      

Unscaled Zero Point Vibrational Energy (zpe) 14968.0 cm-1
Scaled (by 0.9939) Zero Point Vibrational Energy (zpe) 14876.7 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 PBEPBEultrafine/aug-cc-pVDZ
ABC
4.48395 0.18453 0.18126

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

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 0.698 0.825 0.000
N2 0.000 1.580 0.000
N3 0.000 -1.580 0.000
H4 0.207 2.164 0.819
H5 0.207 2.164 -0.819
H6 -0.698 -0.825 0.000
H7 -0.207 -2.164 -0.819
H8 -0.207 -2.164 0.819

Atom - Atom Distances (Å)
  H1 N2 N3 H4 H5 H6 H7 H8
H11.02882.50471.64441.64442.16163.22843.2284
N21.02883.16091.02651.02652.50473.83833.8383
N32.50473.16093.83833.83831.02881.02651.0265
H41.64441.02653.83831.63763.22844.64564.3474
H51.64441.02653.83831.63763.22844.34744.6456
H62.16162.50471.02883.22843.22841.64441.6444
H73.22843.83831.02654.64564.34741.64441.6376
H83.22843.83831.02654.34744.64561.64441.6376

picture of Ammonia Dimer state 1 conformation 1
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