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All results from a given calculation for CH2CHNH2 (aminoethene)

using model chemistry: mPW1PW91/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at mPW1PW91/6-31G(2df,p)
 hartrees
Energy at 0K-133.922956
Energy at 298.15K-133.928408
HF Energy-133.922956
Nuclear repulsion energy71.717171
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 mPW1PW91/6-31G(2df,p)
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 3712 3544 14.27      
2 A 3605 3442 11.39      
3 A 3284 3135 9.59      
4 A 3192 3047 4.83      
5 A 3182 3038 12.16      
6 A 1748 1669 139.33      
7 A 1657 1582 24.75      
8 A 1455 1389 1.23      
9 A 1345 1284 9.67      
10 A 1302 1243 30.50      
11 A 1090 1041 11.88      
12 A 1021 975 17.87      
13 A 965 921 1.46      
14 A 826 788 60.11      
15 A 729 696 28.51      
16 A 611 583 246.59      
17 A 469 448 3.64      
18 A 362 345 48.70      

Unscaled Zero Point Vibrational Energy (zpe) 15276.9 cm-1
Scaled (by 0.9547) Zero Point Vibrational Energy (zpe) 14584.9 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 mPW1PW91/6-31G(2df,p)
ABC
1.91516 0.33557 0.28802

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31G(2df,p)

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.247 -0.195 0.016
C2 0.067 0.425 -0.002
N3 -1.183 -0.168 -0.089
H4 1.329 -1.276 0.023
H5 2.165 0.375 0.003
H6 0.025 1.511 -0.012
H7 -1.200 -1.150 0.139
H8 -1.922 0.332 0.377

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6 H7 H8
C11.33272.43181.08451.08062.09832.62913.2326
C21.33271.38622.11862.09811.08692.02612.0273
N32.43181.38622.74793.39232.07011.00801.0065
H41.08452.11862.74791.85083.07752.53493.6447
H51.08062.09813.39231.85082.42223.69644.1043
H62.09831.08692.07013.07752.42222.93342.3101
H72.62912.02611.00802.53493.69642.93341.6651
H83.23262.02731.00653.64474.10432.31011.6651

picture of aminoethene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 126.856 C1 C2 H6 119.932
C2 C1 H4 122.101 C2 C1 H5 120.416
C2 N3 H7 114.697 C2 N3 H8 114.911
N3 C2 H6 113.101 H4 C1 H5 117.470
H7 N3 H8 111.490
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.430      
2 C 0.068      
3 N -0.554      
4 H 0.116      
5 H 0.134      
6 H 0.128      
7 H 0.268      
8 H 0.269      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.239 -0.039 0.971 1.575
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.940 0.229 -1.999
y 0.229 -16.015 -0.125
z -1.999 -0.125 -21.588
Traceless
 xyz
x 1.861 0.229 -1.999
y 0.229 3.249 -0.125
z -1.999 -0.125 -5.110
Polar
3z2-r2-10.220
x2-y2-0.925
xy0.229
xz-1.999
yz-0.125


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.407 -0.423 -0.051
y -0.423 4.353 -0.003
z -0.051 -0.003 2.378


<r2> (average value of r2) Å2
<r2> 49.301
(<r2>)1/2 7.021