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All results from a given calculation for CH2CHNH2 (aminoethene)

using model chemistry: mPW1PW91/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at mPW1PW91/6-31G**
 hartrees
Energy at 0K-133.917531
Energy at 298.15K-133.922967
HF Energy-133.917531
Nuclear repulsion energy71.621561
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 mPW1PW91/6-31G**
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 3725 3544 12.61      
2 A 3611 3436 10.50      
3 A 3294 3135 12.28      
4 A 3201 3046 6.09      
5 A 3192 3037 13.55      
6 A 1759 1673 145.15      
7 A 1666 1585 28.97      
8 A 1465 1394 1.52      
9 A 1349 1283 10.35      
10 A 1308 1244 33.10      
11 A 1095 1042 13.26      
12 A 1016 966 21.01      
13 A 969 922 1.79      
14 A 817 778 74.06      
15 A 723 688 29.47      
16 A 605 575 280.47      
17 A 471 448 3.50      
18 A 359 341 58.48      

Unscaled Zero Point Vibrational Energy (zpe) 15311.4 cm-1
Scaled (by 0.9515) Zero Point Vibrational Energy (zpe) 14568.8 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 mPW1PW91/6-31G**
ABC
1.90919 0.33469 0.28719

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.249 -0.195 0.017
C2 0.066 0.427 -0.002
N3 -1.184 -0.168 -0.087
H4 1.331 -1.278 0.025
H5 2.167 0.376 0.000
H6 0.027 1.513 -0.015
H7 -1.201 -1.154 0.127
H8 -1.927 0.329 0.378

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6 H7 H8
C11.33632.43511.08531.08142.10092.63243.2393
C21.33631.38682.12232.10141.08732.02942.0319
N32.43511.38682.75103.39572.07261.00891.0076
H41.08532.12232.75101.85273.08062.53653.6498
H51.08142.10143.39571.85272.42393.70064.1120
H62.10091.08732.07263.08062.42392.93902.3185
H72.63242.02941.00892.53653.70062.93901.6700
H83.23932.03191.00763.64984.11202.31851.6700

picture of aminoethene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 126.805 C1 C2 H6 119.837
C2 C1 H4 122.085 C2 C1 H5 120.358
C2 N3 H7 114.880 C2 N3 H8 115.200
N3 C2 H6 113.249 H4 C1 H5 117.540
H7 N3 H8 111.812
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.354      
2 C 0.086      
3 N -0.642      
4 H 0.106      
5 H 0.121      
6 H 0.128      
7 H 0.276      
8 H 0.278      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.248 -0.045 1.072 1.646
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.855 0.271 -2.154
y 0.271 -15.962 -0.129
z -2.154 -0.129 -21.777
Traceless
 xyz
x 2.014 0.271 -2.154
y 0.271 3.354 -0.129
z -2.154 -0.129 -5.368
Polar
3z2-r2-10.737
x2-y2-0.894
xy0.271
xz-2.154
yz-0.129


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.313 -0.466 -0.051
y -0.466 4.219 0.005
z -0.051 0.005 1.896


<r2> (average value of r2) Å2
<r2> 49.418
(<r2>)1/2 7.030