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All results from a given calculation for CH2CHNH2 (aminoethene)

using model chemistry: B1B95/cc-pVDZ

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/cc-pVDZ
 hartrees
Energy at 0K-133.881896
Energy at 298.15K-133.887347
HF Energy-133.881896
Nuclear repulsion energy71.520732
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/cc-pVDZ
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 3675 3532 12.02      
2 A 3568 3430 9.66      
3 A 3289 3161 10.32      
4 A 3191 3067 6.09      
5 A 3178 3054 11.90      
6 A 1753 1685 147.51      
7 A 1632 1568 23.09      
8 A 1429 1374 1.75      
9 A 1331 1279 13.17      
10 A 1298 1248 30.82      
11 A 1093 1050 12.68      
12 A 1007 968 20.11      
13 A 958 921 1.83      
14 A 809 778 60.94      
15 A 729 701 48.44      
16 A 619 595 223.31      
17 A 468 450 3.91      
18 A 361 347 51.11      

Unscaled Zero Point Vibrational Energy (zpe) 15192.7 cm-1
Scaled (by 0.9612) Zero Point Vibrational Energy (zpe) 14603.2 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/cc-pVDZ
ABC
1.89695 0.33441 0.28706

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/cc-pVDZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.249 -0.196 0.018
C2 0.065 0.426 -0.002
N3 -1.185 -0.167 -0.093
H4 1.328 -1.284 0.026
H5 2.170 0.381 0.001
H6 0.027 1.518 -0.013
H7 -1.195 -1.153 0.141
H8 -1.918 0.326 0.403

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6 H7 H8
C11.33742.43691.09111.08702.10522.62813.2323
C21.33741.38642.12582.10601.09322.02522.0258
N32.43691.38642.75303.40132.07711.01381.0125
H41.09112.12582.75301.86593.08972.52953.6426
H51.08702.10603.40131.86592.42663.70154.1081
H62.10521.09322.07713.08972.42662.94162.3183
H72.62812.02521.01382.52953.70152.94161.6667
H83.23232.02581.01253.64264.10812.31831.6667

picture of aminoethene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 126.922 C1 C2 H6 119.692
C2 C1 H4 121.848 C2 C1 H5 120.248
C2 N3 H7 114.178 C2 N3 H8 114.322
N3 C2 H6 113.262 H4 C1 H5 117.887
H7 N3 H8 110.679
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.069      
2 C -0.039      
3 N -0.131      
4 H 0.005      
5 H 0.024      
6 H 0.019      
7 H 0.091      
8 H 0.101      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.332 -0.055 1.006 1.670
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.173 0.301 -2.031
y 0.301 -16.344 -0.120
z -2.031 -0.120 -21.720
Traceless
 xyz
x 1.859 0.301 -2.031
y 0.301 3.103 -0.120
z -2.031 -0.120 -4.962
Polar
3z2-r2-9.924
x2-y2-0.829
xy0.301
xz-2.031
yz-0.120


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.503 -0.470 -0.073
y -0.470 4.408 -0.005
z -0.073 -0.005 2.199


<r2> (average value of r2) Å2
<r2> 49.591
(<r2>)1/2 7.042