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All results from a given calculation for CH2CHNH2 (aminoethene)

using model chemistry: B1B95/cc-pVTZ

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-pVTZ
 hartrees
Energy at 0K-133.925787
Energy at 298.15K-133.931217
HF Energy-133.925787
Nuclear repulsion energy71.934909
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-pVTZ
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 3703 3544 15.99      
2 A 3596 3442 13.40      
3 A 3271 3131 11.34      
4 A 3181 3045 7.18      
5 A 3170 3034 9.99      
6 A 1735 1660 166.95      
7 A 1650 1579 24.57      
8 A 1452 1390 1.61      
9 A 1338 1281 10.09      
10 A 1297 1241 40.09      
11 A 1084 1038 15.30      
12 A 1012 969 22.29      
13 A 963 922 2.35      
14 A 828 792 68.89      
15 A 715 685 12.26      
16 A 580 555 256.93      
17 A 465 445 3.38      
18 A 359 343 50.55      

Unscaled Zero Point Vibrational Energy (zpe) 15199.4 cm-1
Scaled (by 0.9571) Zero Point Vibrational Energy (zpe) 14547.4 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-pVTZ
ABC
1.92928 0.33771 0.28959

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.244 -0.195 0.015
C2 0.067 0.424 -0.001
N3 -1.177 -0.168 -0.083
H4 1.323 -1.273 0.019
H5 2.157 0.375 0.006
H6 0.030 1.506 -0.010
H7 -1.205 -1.148 0.138
H8 -1.929 0.340 0.346

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6 H7 H8
C11.32922.42301.08091.07672.08972.63033.2340
C21.32921.38102.11122.08971.08252.02742.0279
N32.42301.38102.73563.37912.06541.00511.0034
H41.08092.11122.73561.84723.06522.53393.6444
H51.07672.08973.37911.84722.40853.69314.0996
H62.08971.08252.06543.06522.40852.93112.3073
H72.63032.02741.00512.53393.69312.93111.6676
H83.23402.02791.00343.64444.09962.30731.6676

picture of aminoethene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 126.761 C1 C2 H6 119.751
C2 C1 H4 121.989 C2 C1 H5 120.227
C2 N3 H7 115.459 C2 N3 H8 115.623
N3 C2 H6 113.389 H4 C1 H5 117.775
H7 N3 H8 112.253
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.402      
2 C -0.012      
3 N -0.275      
4 H 0.113      
5 H 0.130      
6 H 0.130      
7 H 0.158      
8 H 0.157      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.344 -0.024 0.896 1.616
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.254 0.200 -1.885
y 0.200 -16.335 -0.131
z -1.885 -0.131 -22.234
Traceless
 xyz
x 2.030 0.200 -1.885
y 0.200 3.410 -0.131
z -1.885 -0.131 -5.440
Polar
3z2-r2-10.880
x2-y2-0.920
xy0.200
xz-1.885
yz-0.131


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.909 -0.464 -0.026
y -0.464 4.688 -0.001
z -0.026 -0.001 3.118


<r2> (average value of r2) Å2
<r2> 49.363
(<r2>)1/2 7.026