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All results from a given calculation for CH2CHNH2 (aminoethene)

using model chemistry: B3LYP/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B3LYP/3-21G
 hartrees
Energy at 0K-133.209920
Energy at 298.15K-133.215011
HF Energy-133.209920
Nuclear repulsion energy71.371543
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 B3LYP/3-21G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A 3682 3552 24.10      
2 A 3561 3436 30.47      
3 A 3261 3147 15.89      
4 A 3172 3060 2.32      
5 A 3163 3052 17.56      
6 A 1716 1655 201.49      
7 A 1698 1639 16.21      
8 A 1513 1460 1.62      
9 A 1375 1326 16.76      
10 A 1300 1254 46.03      
11 A 1067 1030 24.33      
12 A 1024 988 19.13      
13 A 991 957 4.30      
14 A 824 795 112.68      
15 A 707 682 4.52      
16 A 465 449 2.18      
17 A 454 438 92.73      
18 A 174 168 272.24      

Unscaled Zero Point Vibrational Energy (zpe) 15073.1 cm-1
Scaled (by 0.9649) Zero Point Vibrational Energy (zpe) 14544.0 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 B3LYP/3-21G
ABC
1.95883 0.33018 0.28256

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/3-21G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.263 -0.193 0.000
C2 -0.069 0.421 -0.000
N3 1.180 -0.171 -0.000
H4 -1.356 -1.274 0.000
H5 -2.177 0.384 -0.000
H6 -0.029 1.508 -0.000
H7 1.275 -1.178 0.000
H8 2.020 0.387 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6 H7 H8
C11.34202.44221.08511.08142.10092.72253.3338
C21.34201.38212.12812.10841.08732.08932.0900
N32.44221.38212.76513.40252.06831.01141.0090
H41.08512.12812.76511.85003.08202.63343.7628
H51.08142.10843.40251.85002.42473.78964.1978
H62.10091.08732.06833.08202.42472.98552.3358
H72.72252.08931.01142.63343.78962.98551.7328
H83.33382.09001.00903.76284.19782.33581.7328

picture of aminoethene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 127.411 C1 C2 H6 119.357
C2 C1 H4 122.169 C2 C1 H5 120.547
C2 N3 H7 120.809 C2 N3 H8 121.084
N3 C2 H6 113.232 H4 C1 H5 117.284
H7 N3 H8 118.107
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.445      
2 C 0.077      
3 N -0.746      
4 H 0.154      
5 H 0.167      
6 H 0.189      
7 H 0.302      
8 H 0.302      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.973 0.031 0.001 1.973
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.829 -0.314 0.002
y -0.314 -15.898 -0.000
z 0.002 -0.000 -22.247
Traceless
 xyz
x 3.244 -0.314 0.002
y -0.314 3.139 -0.000
z 0.002 -0.000 -6.383
Polar
3z2-r2-12.766
x2-y20.070
xy-0.314
xz0.002
yz-0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.009 0.442 0.000
y 0.442 3.875 0.000
z 0.000 0.000 1.103


<r2> (average value of r2) Å2
<r2> 49.932
(<r2>)1/2 7.066