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All results from a given calculation for CH2CHNH2 (aminoethene)

using model chemistry: HF/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 HF/6-31G(2df,p)
 hartrees
Energy at 0K-133.083700
Energy at 298.15K-133.089321
HF Energy-133.083700
Nuclear repulsion energy72.115362
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 HF/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 3880 3513 14.58      
2 A 3779 3422 12.90      
3 A 3389 3069 18.26      
4 A 3318 3004 9.96      
5 A 3294 2983 10.94      
6 A 1870 1693 147.77      
7 A 1790 1621 28.29      
8 A 1572 1424 1.58      
9 A 1442 1306 4.30      
10 A 1386 1255 40.09      
11 A 1156 1047 8.70      
12 A 1121 1015 21.03      
13 A 1035 937 6.64      
14 A 961 871 73.82      
15 A 817 740 90.54      
16 A 682 618 216.29      
17 A 500 453 4.52      
18 A 351 318 52.96      

Unscaled Zero Point Vibrational Energy (zpe) 16171.6 cm-1
Scaled (by 0.9055) Zero Point Vibrational Energy (zpe) 14643.4 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 HF/6-31G(2df,p)
ABC
1.93185 0.33870 0.29097

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.237 -0.197 0.018
C2 0.074 0.425 -0.007
N3 -1.183 -0.164 -0.090
H4 1.311 -1.271 0.024
H5 2.153 0.361 0.013
H6 0.042 1.502 -0.016
H7 -1.195 -1.135 0.131
H8 -1.893 0.324 0.409

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6 H7 H8
C11.31832.42251.07681.07302.07732.60863.1972
C21.31831.39112.09922.07931.07762.01592.0138
N32.42251.39112.73133.37872.06900.99620.9953
H41.07682.09922.73131.83713.05012.51163.6001
H51.07302.07933.37871.83712.39953.66894.0657
H62.07731.07762.06903.05012.39952.91642.3049
H72.60862.01590.99622.51163.66892.91641.6418
H83.19722.01380.99533.60014.06572.30491.6418

picture of aminoethene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 126.762 C1 C2 H6 119.892
C2 C1 H4 122.106 C2 C1 H5 120.464
C2 N3 H7 114.199 C2 N3 H8 114.066
N3 C2 H6 113.267 H4 C1 H5 117.420
H7 N3 H8 111.049
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.440      
2 C 0.096      
3 N -0.626      
4 H 0.126      
5 H 0.140      
6 H 0.142      
7 H 0.281      
8 H 0.280      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.964 0.037 1.092 1.457
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.533 0.149 -2.200
y 0.149 -16.127 -0.094
z -2.200 -0.094 -21.840
Traceless
 xyz
x 1.450 0.149 -2.200
y 0.149 3.559 -0.094
z -2.200 -0.094 -5.010
Polar
3z2-r2-10.019
x2-y2-1.406
xy0.149
xz-2.200
yz-0.094


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.094 -0.579 -0.063
y -0.579 4.213 -0.003
z -0.063 -0.003 2.341


<r2> (average value of r2) Å2
<r2> 49.075
(<r2>)1/2 7.005