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All results from a given calculation for CH2CHNH2 (aminoethene)

using model chemistry: B1B95/6-31G(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 B1B95/6-31G(2df,p)
 hartrees
Energy at 0K-133.885307
Energy at 298.15K-133.890745
HF Energy-133.885307
Nuclear repulsion energy71.804893
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 B1B95/6-31G(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 3711 3554 13.88      
2 A 3603 3451 11.62      
3 A 3287 3148 10.33      
4 A 3193 3057 4.23      
5 A 3183 3049 13.46      
6 A 1752 1678 139.59      
7 A 1651 1581 25.36      
8 A 1451 1390 1.46      
9 A 1342 1285 9.06      
10 A 1298 1243 30.84      
11 A 1087 1041 12.03      
12 A 1021 978 16.98      
13 A 961 920 1.43      
14 A 826 791 56.41      
15 A 726 695 24.16      
16 A 604 578 245.87      
17 A 465 446 3.79      
18 A 358 343 49.76      

Unscaled Zero Point Vibrational Energy (zpe) 15259.3 cm-1
Scaled (by 0.9577) Zero Point Vibrational Energy (zpe) 14613.9 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 B1B95/6-31G(2df,p)
ABC
1.92008 0.33643 0.28874

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G(2df,p)

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.245 -0.195 0.016
C2 0.067 0.425 -0.002
N3 -1.181 -0.167 -0.088
H4 1.326 -1.275 0.023
H5 2.162 0.374 0.003
H6 0.026 1.509 -0.012
H7 -1.199 -1.149 0.138
H8 -1.922 0.332 0.375

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6 H7 H8
C11.33072.42851.08331.07932.09562.62663.2300
C21.33071.38452.11522.09521.08562.02482.0264
N32.42851.38452.74343.38802.06741.00721.0056
H41.08332.11522.74341.84903.07342.53123.6406
H51.07932.09523.38801.84902.41923.69274.1007
H62.09561.08562.06743.07342.41922.93082.3083
H72.62662.02481.00722.53123.69272.93081.6644
H83.23002.02641.00563.64064.10072.30831.6644

picture of aminoethene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 126.855 C1 C2 H6 119.950
C2 C1 H4 122.053 C2 C1 H5 120.417
C2 N3 H7 114.766 C2 N3 H8 115.028
N3 C2 H6 113.086 H4 C1 H5 117.517
H7 N3 H8 111.561
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.393      
2 C 0.085      
3 N -0.538      
4 H 0.099      
5 H 0.117      
6 H 0.112      
7 H 0.258      
8 H 0.260      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.240 -0.041 0.959 1.568
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.968 0.234 -1.969
y 0.234 -16.082 -0.120
z -1.969 -0.120 -21.530
Traceless
 xyz
x 1.838 0.234 -1.969
y 0.234 3.167 -0.120
z -1.969 -0.120 -5.006
Polar
3z2-r2-10.011
x2-y2-0.886
xy0.234
xz-1.969
yz-0.120


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.397 -0.414 -0.055
y -0.414 4.367 -0.004
z -0.055 -0.004 2.364


<r2> (average value of r2) Å2
<r2> 49.216
(<r2>)1/2 7.015