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All results from a given calculation for CH2CHNH2 (aminoethene)

using model chemistry: HF/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 HF/6-31G*
 hartrees
Energy at 0K-133.061958
Energy at 298.15K-133.067571
HF Energy-133.061958
Nuclear repulsion energy71.996545
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*
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 3874 3480 10.76      
2 A 3775 3392 10.61      
3 A 3422 3074 23.55      
4 A 3359 3018 12.45      
5 A 3331 2993 12.42      
6 A 1888 1696 147.79      
7 A 1825 1640 31.81      
8 A 1593 1431 2.25      
9 A 1455 1308 3.83      
10 A 1401 1259 41.14      
11 A 1167 1049 9.51      
12 A 1124 1010 20.96      
13 A 1044 938 6.40      
14 A 963 866 94.93      
15 A 830 746 153.99      
16 A 694 624 209.20      
17 A 502 451 4.81      
18 A 344 309 63.78      

Unscaled Zero Point Vibrational Energy (zpe) 16295.2 cm-1
Scaled (by 0.8985) Zero Point Vibrational Energy (zpe) 14641.3 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*
ABC
1.92205 0.33766 0.29009

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.238 -0.198 0.019
C2 0.074 0.427 -0.007
N3 -1.185 -0.163 -0.091
H4 1.312 -1.272 0.025
H5 2.156 0.358 0.011
H6 0.041 1.503 -0.019
H7 -1.195 -1.139 0.124
H8 -1.895 0.317 0.421

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6 H7 H8
C11.32152.42631.07691.07322.08072.61073.2007
C21.32151.39372.10242.08341.07672.01972.0182
N32.42631.39372.73453.38362.07050.99870.9980
H41.07692.10242.73451.83613.05292.51193.6006
H51.07322.08343.38361.83612.40583.67184.0724
H62.08071.07672.07053.05292.40582.92022.3131
H72.61072.01970.99872.51193.67182.92021.6419
H83.20072.01820.99803.60064.07242.31311.6419

picture of aminoethene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 126.641 C1 C2 H6 120.009
C2 C1 H4 122.140 C2 C1 H5 120.557
C2 N3 H7 114.159 C2 N3 H8 114.080
N3 C2 H6 113.264 H4 C1 H5 117.287
H7 N3 H8 110.632
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.474      
2 C 0.100      
3 N -0.857      
4 H 0.160      
5 H 0.173      
6 H 0.185      
7 H 0.358      
8 H 0.356      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.891 0.039 1.267 1.549
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.694 0.178 -2.480
y 0.178 -16.156 -0.115
z -2.480 -0.115 -22.102
Traceless
 xyz
x 1.435 0.178 -2.480
y 0.178 3.742 -0.115
z -2.480 -0.115 -5.177
Polar
3z2-r2-10.354
x2-y2-1.538
xy0.178
xz-2.480
yz-0.115


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.950 -0.640 -0.072
y -0.640 4.041 0.004
z -0.072 0.004 1.801


<r2> (average value of r2) Å2
<r2> 49.282
(<r2>)1/2 7.020