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All results from a given calculation for CH2CHNH2 (aminoethene)

using model chemistry: mPW1PW91/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at mPW1PW91/6-31+G**
 hartrees
Energy at 0K-133.926238
Energy at 298.15K-133.931620
HF Energy-133.926238
Nuclear repulsion energy71.566472
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 mPW1PW91/6-31+G**
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 3744 3563 24.93      
2 A 3626 3451 18.62      
3 A 3293 3135 10.10      
4 A 3206 3051 8.26      
5 A 3191 3037 8.99      
6 A 1737 1653 208.16      
7 A 1664 1584 29.31      
8 A 1458 1388 2.01      
9 A 1343 1278 16.15      
10 A 1299 1236 47.92      
11 A 1086 1034 19.04      
12 A 1006 957 28.46      
13 A 966 919 2.84      
14 A 823 783 91.97      
15 A 704 670 6.93      
16 A 549 523 289.09      
17 A 467 445 2.80      
18 A 351 334 64.48      

Unscaled Zero Point Vibrational Energy (zpe) 15255.7 cm-1
Scaled (by 0.9518) Zero Point Vibrational Energy (zpe) 14520.4 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 mPW1PW91/6-31+G**
ABC
1.91252 0.33412 0.28630

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31+G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.252 -0.196 0.015
C2 0.066 0.427 -0.001
N3 -1.181 -0.170 -0.078
H4 1.336 -1.278 0.018
H5 2.168 0.379 0.004
H6 0.025 1.513 -0.012
H7 -1.216 -1.157 0.125
H8 -1.949 0.341 0.325

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6 H7 H8
C11.33972.43501.08551.08162.10382.65113.2605
C21.33971.38502.12642.10251.08692.04222.0430
N32.43501.38502.75223.39482.07221.00831.0067
H41.08552.12642.75221.85433.08402.55773.6756
H51.08162.10253.39481.85432.42423.71874.1297
H62.10381.08692.07223.08402.42422.94832.3206
H72.65112.04221.00832.55773.71872.94831.6800
H83.26052.04301.00673.67564.12972.32061.6800

picture of aminoethene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 126.670 C1 C2 H6 119.861
C2 C1 H4 122.176 C2 C1 H5 120.154
C2 N3 H7 116.254 C2 N3 H8 116.455
N3 C2 H6 113.373 H4 C1 H5 117.659
H7 N3 H8 112.971
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.417      
2 C -0.073      
3 N -0.559      
4 H 0.139      
5 H 0.154      
6 H 0.153      
7 H 0.302      
8 H 0.302      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.371 -0.017 0.951 1.669
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.359 0.191 -2.076
y 0.191 -16.242 -0.141
z -2.076 -0.141 -23.175
Traceless
 xyz
x 2.349 0.191 -2.076
y 0.191 4.025 -0.141
z -2.076 -0.141 -6.374
Polar
3z2-r2-12.749
x2-y2-1.117
xy0.191
xz-2.076
yz-0.141


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.101 -0.605 0.092
y -0.605 4.534 -0.006
z 0.092 -0.006 3.754


<r2> (average value of r2) Å2
<r2> 49.997
(<r2>)1/2 7.071