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All results from a given calculation for CH2CHNH2 (aminoethene)

using model chemistry: BLYP/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at BLYP/6-31G*
 hartrees
Energy at 0K-133.875899
Energy at 298.15K-133.881274
HF Energy-133.875899
Nuclear repulsion energy70.770385
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 BLYP/6-31G*
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 3500 3472 1.15      
2 A 3404 3376 1.17      
3 A 3174 3148 18.95      
4 A 3088 3063 4.22      
5 A 3084 3059 22.41      
6 A 1681 1668 109.79      
7 A 1636 1622 20.77      
8 A 1436 1424 1.99      
9 A 1315 1305 7.80      
10 A 1267 1257 24.39      
11 A 1059 1050 7.84      
12 A 969 962 20.17      
13 A 940 932 2.09      
14 A 758 752 60.83      
15 A 723 717 126.60      
16 A 627 622 171.74      
17 A 460 456 4.42      
18 A 356 353 49.03      

Unscaled Zero Point Vibrational Energy (zpe) 14737.3 cm-1
Scaled (by 0.9919) Zero Point Vibrational Energy (zpe) 14617.9 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 BLYP/6-31G*
ABC
1.85830 0.32668 0.28072

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.266 -0.197 0.019
C2 0.069 0.432 -0.001
N3 -1.202 -0.168 -0.092
H4 1.354 -1.288 0.030
H5 2.195 0.374 -0.006
H6 0.021 1.527 -0.021
H7 -1.214 -1.167 0.122
H8 -1.947 0.322 0.407

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6 H7 H8
C11.35182.47081.09511.09102.12642.66533.2770
C21.35181.40872.14692.12691.09652.05412.0595
N32.47081.40872.79343.44162.09171.02211.0211
H41.09512.14692.79341.86363.11502.57253.6913
H51.09102.12693.44161.86362.46073.74404.1627
H62.12641.09652.09173.11502.46072.96762.3470
H72.66532.05411.02212.57253.74402.96761.6836
H83.27702.05951.02113.69134.16272.34701.6836

picture of aminoethene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 127.019 C1 C2 H6 120.213
C2 C1 H4 122.310 C2 C1 H5 120.703
C2 N3 H7 114.409 C2 N3 H8 114.973
N3 C2 H6 112.623 H4 C1 H5 116.961
H7 N3 H8 110.981
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.337      
2 C 0.084      
3 N -0.663      
4 H 0.098      
5 H 0.113      
6 H 0.111      
7 H 0.296      
8 H 0.298      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.172 -0.098 1.120 1.624
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.314 0.328 -2.286
y 0.328 -16.407 -0.130
z -2.286 -0.130 -21.712
Traceless
 xyz
x 1.746 0.328 -2.286
y 0.328 3.106 -0.130
z -2.286 -0.130 -4.851
Polar
3z2-r2-9.702
x2-y2-0.907
xy0.328
xz-2.286
yz-0.130


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.526 -0.414 -0.083
y -0.414 4.355 0.007
z -0.083 0.007 1.881


<r2> (average value of r2) Å2
<r2> 50.458
(<r2>)1/2 7.103