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All results from a given calculation for CH2CHNH2 (aminoethene)

using model chemistry: B3LYP/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 B3LYP/6-31G
 hartrees
Energy at 0K-133.912878
Energy at 298.15K-133.918099
HF Energy-133.912878
Nuclear repulsion energy71.307723
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 B3LYP/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 3775 3631 21.86      
2 A 3644 3505 28.82      
3 A 3273 3148 23.40      
4 A 3184 3063 7.95      
5 A 3174 3054 16.37      
6 A 1734 1668 214.90      
7 A 1702 1637 24.44      
8 A 1497 1440 1.04      
9 A 1372 1320 18.56      
10 A 1308 1258 47.71      
11 A 1078 1037 25.22      
12 A 1018 979 18.33      
13 A 984 947 3.24      
14 A 838 806 109.49      
15 A 705 678 2.84      
16 A 464 447 1.99      
17 A 451 433 169.55      
18 A 272 262 235.19      

Unscaled Zero Point Vibrational Energy (zpe) 15235.4 cm-1
Scaled (by 0.962) Zero Point Vibrational Energy (zpe) 14656.5 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 B3LYP/6-31G
ABC
1.93903 0.33016 0.28212

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.263 -0.194 0.000
C2 0.069 0.427 -0.000
N3 -1.180 -0.173 -0.000
H4 1.355 -1.277 -0.000
H5 2.181 0.378 -0.000
H6 0.023 1.514 -0.000
H7 -1.271 -1.175 -0.000
H8 -2.021 0.374 0.002

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6 H7 H8
C11.34602.44231.08641.08242.11102.71673.3324
C21.34601.38532.13492.11281.08782.08862.0904
N32.44231.38532.76433.40562.07191.00611.0037
H41.08642.13492.76431.85013.09262.62773.7579
H51.08242.11283.40561.85012.43883.78544.2020
H62.11101.08782.07193.09262.43882.98422.3401
H72.71672.08861.00612.62773.78542.98421.7213
H83.33242.09041.00373.75794.20202.34011.7213

picture of aminoethene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 126.805 C1 C2 H6 119.934
C2 C1 H4 122.377 C2 C1 H5 120.539
C2 N3 H7 120.892 C2 N3 H8 121.267
N3 C2 H6 113.261 H4 C1 H5 117.084
H7 N3 H8 117.841
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.348      
2 C 0.143      
3 N -0.750      
4 H 0.098      
5 H 0.111      
6 H 0.124      
7 H 0.311      
8 H 0.311      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.822 0.036 0.001 1.822
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.054 0.276 -0.010
y 0.276 -16.010 0.003
z -0.010 0.003 -22.318
Traceless
 xyz
x 3.110 0.276 -0.010
y 0.276 3.176 0.003
z -0.010 0.003 -6.286
Polar
3z2-r2-12.572
x2-y2-0.044
xy0.276
xz-0.010
yz0.003


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.291 -0.474 0.001
y -0.474 4.078 0.000
z 0.001 0.000 1.428


<r2> (average value of r2) Å2
<r2> 50.067
(<r2>)1/2 7.076