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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-133.868360
Energy at 298.15K-133.873800
HF Energy-133.868360
Nuclear repulsion energy71.637617
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 3688 3501 9.05      
2 A 3582 3401 8.38      
3 A 3296 3129 13.95      
4 A 3208 3045 7.32      
5 A 3197 3035 14.07      
6 A 1768 1678 139.49      
7 A 1687 1602 28.15      
8 A 1472 1397 1.87      
9 A 1353 1284 9.24      
10 A 1313 1246 31.11      
11 A 1100 1044 12.24      
12 A 1016 964 20.65      
13 A 970 921 1.71      
14 A 816 775 76.47      
15 A 736 698 69.19      
16 A 629 597 250.93      
17 A 468 444 4.22      
18 A 356 338 57.54      

Unscaled Zero Point Vibrational Energy (zpe) 15326.6 cm-1
Scaled (by 0.9493) Zero Point Vibrational Energy (zpe) 14549.6 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
1.90626 0.33503 0.28759

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 0.018
C2 0.067 0.427 -0.002
N3 -1.184 -0.167 -0.090
H4 1.329 -1.278 0.026
H5 2.167 0.373 -0.001
H6 0.026 1.513 -0.017
H7 -1.195 -1.153 0.129
H8 -1.920 0.322 0.397

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6 H7 H8
C11.33452.43421.08521.08122.10032.62573.2320
C21.33451.38792.12082.10071.08662.02642.0297
N32.43421.38792.75003.39572.07131.01051.0092
H41.08522.12082.75001.85133.07972.52883.6406
H51.08122.10073.39571.85132.42593.69434.1070
H62.10031.08662.07133.07972.42592.93562.3184
H72.62572.02641.01052.52883.69432.93561.6658
H83.23202.02971.00923.64064.10702.31841.6658

picture of aminoethene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 126.786 C1 C2 H6 119.990
C2 C1 H4 122.104 C2 C1 H5 120.461
C2 N3 H7 114.404 C2 N3 H8 114.796
N3 C2 H6 113.101 H4 C1 H5 117.413
H7 N3 H8 111.133
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 -0.421      
2 C 0.060      
3 N -0.748      
4 H 0.137      
5 H 0.152      
6 H 0.156      
7 H 0.331      
8 H 0.332      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.178 -0.055 1.135 1.637
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.986 0.269 -2.273
y 0.269 -16.006 -0.132
z -2.273 -0.132 -21.760
Traceless
 xyz
x 1.897 0.269 -2.273
y 0.269 3.368 -0.132
z -2.273 -0.132 -5.265
Polar
3z2-r2-10.530
x2-y2-0.980
xy0.269
xz-2.273
yz-0.132


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.244 -0.457 -0.054
y -0.457 4.178 0.005
z -0.054 0.005 1.843


<r2> (average value of r2) Å2
<r2> 49.402
(<r2>)1/2 7.029