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All results from a given calculation for CH2CHNH2 (aminoethene)

using model chemistry: PBEPBE/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at PBEPBE/STO-3G
 hartrees
Energy at 0K-132.073279
Energy at 298.15K-132.078551
HF Energy-132.073279
Nuclear repulsion energy69.848881
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 PBEPBE/STO-3G
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 3665 3348 1.18      
2 A 3500 3197 0.37      
3 A 3466 3167 2.27      
4 A 3380 3088 0.27      
5 A 3342 3054 25.07      
6 A 1821 1663 43.86      
7 A 1756 1605 13.65      
8 A 1539 1406 2.45      
9 A 1375 1256 1.93      
10 A 1358 1240 7.63      
11 A 1127 1029 0.46      
12 A 1044 954 15.85      
13 A 998 912 2.00      
14 A 837 764 26.82      
15 A 748 683 186.84      
16 A 660 603 75.20      
17 A 469 429 8.10      
18 A 380 347 45.25      

Unscaled Zero Point Vibrational Energy (zpe) 15731.5 cm-1
Scaled (by 0.9136) Zero Point Vibrational Energy (zpe) 14372.3 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 PBEPBE/STO-3G
ABC
1.76134 0.32164 0.27622

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/STO-3G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.264 -0.204 0.016
C2 0.080 0.448 0.008
N3 -1.221 -0.173 -0.124
H4 1.322 -1.302 0.031
H5 2.212 0.348 -0.004
H6 0.032 1.554 -0.013
H7 -1.171 -1.177 0.212
H8 -1.920 0.323 0.501

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6 H7 H8
C11.35172.48901.09961.09752.14672.62933.2637
C21.35171.44772.14642.13421.10652.06102.0641
N32.48901.44772.78693.47432.13591.05991.0604
H41.09962.14642.78691.87543.13392.50283.6569
H51.09752.13423.47431.87542.49113.71724.1631
H62.14671.10652.13593.13392.49112.99212.3644
H72.62932.06101.05992.50283.71722.99211.7008
H83.26372.06411.06043.65694.16312.36441.7008

picture of aminoethene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 125.487 C1 C2 H6 121.363
C2 C1 H4 121.901 C2 C1 H5 120.890
C2 N3 H7 109.583 C2 N3 H8 109.806
N3 C2 H6 112.806 H4 C1 H5 117.206
H7 N3 H8 106.673
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.210      
2 C -0.029      
3 N -0.348      
4 H 0.067      
5 H 0.075      
6 H 0.081      
7 H 0.182      
8 H 0.181      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.836 -0.153 1.360 1.603
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.727 0.232 -2.386
y 0.232 -15.608 -0.280
z -2.386 -0.280 -19.350
Traceless
 xyz
x 0.752 0.232 -2.386
y 0.232 2.430 -0.280
z -2.386 -0.280 -3.182
Polar
3z2-r2-6.365
x2-y2-1.119
xy0.232
xz-2.386
yz-0.280


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.211 -0.274 -0.137
y -0.274 2.526 0.015
z -0.137 0.015 0.624


<r2> (average value of r2) Å2
<r2> 50.310
(<r2>)1/2 7.093