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All results from a given calculation for CH2CHNH2 (aminoethene)

using model chemistry: B1B95/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B1B95/6-31G**
 hartrees
Energy at 0K-133.879622
Energy at 298.15K-133.885048
HF Energy-133.879622
Nuclear repulsion energy71.699794
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**
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 3720 3552 11.71      
2 A 3607 3444 10.20      
3 A 3296 3147 12.99      
4 A 3202 3057 5.62      
5 A 3192 3048 14.47      
6 A 1762 1683 143.89      
7 A 1660 1585 29.56      
8 A 1460 1394 1.79      
9 A 1345 1285 9.71      
10 A 1304 1245 33.00      
11 A 1092 1043 13.24      
12 A 1015 969 19.84      
13 A 965 921 1.68      
14 A 818 781 69.18      
15 A 722 690 29.30      
16 A 603 576 275.38      
17 A 468 447 3.68      
18 A 356 340 58.83      

Unscaled Zero Point Vibrational Energy (zpe) 15293.4 cm-1
Scaled (by 0.9548) Zero Point Vibrational Energy (zpe) 14602.1 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**
ABC
1.91256 0.33551 0.28788

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.247 -0.195 0.017
C2 0.067 0.426 -0.002
N3 -1.183 -0.167 -0.087
H4 1.328 -1.277 0.025
H5 2.165 0.375 0.000
H6 0.027 1.512 -0.015
H7 -1.199 -1.152 0.127
H8 -1.925 0.328 0.379

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6 H7 H8
C11.33432.43211.08421.08032.09842.62863.2353
C21.33431.38562.11922.09881.08622.02722.0301
N32.43211.38562.74693.39202.07061.00841.0070
H41.08422.11922.74691.85113.07702.53163.6444
H51.08032.09883.39201.85112.42143.69594.1075
H62.09841.08622.07063.07702.42142.93602.3166
H72.62862.02721.00842.53163.69592.93601.6683
H83.23532.03011.00703.64444.10752.31661.6683

picture of aminoethene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 126.795 C1 C2 H6 119.859
C2 C1 H4 122.043 C2 C1 H5 120.371
C2 N3 H7 114.820 C2 N3 H8 115.181
N3 C2 H6 113.236 H4 C1 H5 117.568
H7 N3 H8 111.740
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.324      
2 C 0.091      
3 N -0.625      
4 H 0.094      
5 H 0.109      
6 H 0.116      
7 H 0.269      
8 H 0.271      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.237 -0.048 1.067 1.634
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.902 0.275 -2.137
y 0.275 -16.026 -0.126
z -2.137 -0.126 -21.701
Traceless
 xyz
x 1.962 0.275 -2.137
y 0.275 3.276 -0.126
z -2.137 -0.126 -5.238
Polar
3z2-r2-10.475
x2-y2-0.876
xy0.275
xz-2.137
yz-0.126


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.302 -0.457 -0.057
y -0.457 4.233 0.004
z -0.057 0.004 1.893


<r2> (average value of r2) Å2
<r2> 49.335
(<r2>)1/2 7.024