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All results from a given calculation for CH2CHNH2 (aminoethene)

using model chemistry: B3PW91/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 B3PW91/cc-pVTZ
 hartrees
Energy at 0K-133.950536
Energy at 298.15K-133.955958
HF Energy-133.950536
Nuclear repulsion energy71.732351
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 B3PW91/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 3681 3540 15.47      
2 A 3576 3438 12.57      
3 A 3249 3125 10.49      
4 A 3160 3038 6.83      
5 A 3150 3029 9.74      
6 A 1718 1652 165.39      
7 A 1645 1582 23.03      
8 A 1448 1392 1.38      
9 A 1334 1283 11.17      
10 A 1292 1242 39.27      
11 A 1079 1037 14.97      
12 A 1005 967 23.28      
13 A 962 925 2.51      
14 A 819 787 69.65      
15 A 710 683 11.41      
16 A 577 555 258.27      
17 A 467 449 3.10      
18 A 360 346 49.77      

Unscaled Zero Point Vibrational Energy (zpe) 15115.2 cm-1
Scaled (by 0.9616) Zero Point Vibrational Energy (zpe) 14534.8 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 B3PW91/cc-pVTZ
ABC
1.92213 0.33558 0.28784

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/cc-pVTZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.248 -0.195 0.015
C2 0.067 0.424 -0.001
N3 -1.181 -0.169 -0.083
H4 1.331 -1.276 0.019
H5 2.163 0.378 0.005
H6 0.029 1.509 -0.009
H7 -1.211 -1.151 0.140
H8 -1.935 0.343 0.343

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6 H7 H8
C11.33322.43051.08391.07982.09552.64103.2443
C21.33321.38412.11862.09591.08572.03362.0330
N32.43051.38412.74683.38892.07001.00771.0061
H41.08392.11862.74681.85133.07472.54823.6595
H51.07982.09593.38891.85132.41503.70654.1115
H62.09551.08572.07003.07472.41502.93892.3109
H72.64102.03361.00772.54823.70652.93891.6724
H83.24432.03301.00613.65954.11152.31091.6724

picture of aminoethene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 126.858 C1 C2 H6 119.714
C2 C1 H4 122.106 C2 C1 H5 120.223
C2 N3 H7 115.578 C2 N3 H8 115.633
N3 C2 H6 113.331 H4 C1 H5 117.661
H7 N3 H8 112.293
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.352      
2 C -0.002      
3 N -0.237      
4 H 0.092      
5 H 0.110      
6 H 0.107      
7 H 0.141      
8 H 0.141      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.376 -0.030 0.892 1.640
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.220 0.203 -1.885
y 0.203 -16.313 -0.136
z -1.885 -0.136 -22.285
Traceless
 xyz
x 2.079 0.203 -1.885
y 0.203 3.440 -0.136
z -1.885 -0.136 -5.519
Polar
3z2-r2-11.037
x2-y2-0.907
xy0.203
xz-1.885
yz-0.136


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.979 -0.466 -0.022
y -0.466 4.710 -0.001
z -0.022 -0.001 3.148


<r2> (average value of r2) Å2
<r2> 49.593
(<r2>)1/2 7.042