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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-133.906063
Energy at 298.15K-133.911512
HF Energy-133.906063
Nuclear repulsion energy71.560242
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 3692 3502 9.61      
2 A 3587 3402 8.56      
3 A 3294 3124 13.46      
4 A 3208 3042 7.80      
5 A 3197 3031 13.36      
6 A 1764 1673 140.93      
7 A 1693 1606 27.49      
8 A 1477 1401 1.58      
9 A 1356 1286 9.82      
10 A 1318 1249 31.31      
11 A 1102 1045 12.24      
12 A 1017 964 21.87      
13 A 974 924 1.81      
14 A 816 774 81.78      
15 A 737 699 70.04      
16 A 631 598 254.99      
17 A 472 447 3.96      
18 A 359 341 57.57      

Unscaled Zero Point Vibrational Energy (zpe) 15346.9 cm-1
Scaled (by 0.9483) Zero Point Vibrational Energy (zpe) 14553.5 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
1.90291 0.33422 0.28690

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 -0.196 0.018
C2 0.067 0.427 -0.002
N3 -1.186 -0.167 -0.090
H4 1.331 -1.279 0.026
H5 2.169 0.374 -0.001
H6 0.025 1.514 -0.017
H7 -1.197 -1.154 0.129
H8 -1.923 0.323 0.395

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6 H7 H8
C11.33652.43721.08621.08222.10282.62953.2362
C21.33651.38912.12382.10321.08762.02872.0316
N32.43721.38912.75393.39932.07331.01101.0098
H41.08622.12382.75391.85273.08332.53363.6460
H51.08222.10323.39931.85272.42853.69904.1117
H62.10281.08762.07333.08332.42852.93852.3203
H72.62952.02871.01102.53363.69902.93851.6674
H83.23622.03161.00983.64604.11172.32031.6674

picture of aminoethene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 126.789 C1 C2 H6 119.979
C2 C1 H4 122.141 C2 C1 H5 120.447
C2 N3 H7 114.474 C2 N3 H8 114.831
N3 C2 H6 113.109 H4 C1 H5 117.390
H7 N3 H8 111.202
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 -0.448      
2 C 0.056      
3 N -0.764      
4 H 0.148      
5 H 0.163      
6 H 0.167      
7 H 0.339      
8 H 0.339      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.187 -0.052 1.140 1.647
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.941 0.266 -2.290
y 0.266 -15.943 -0.135
z -2.290 -0.135 -21.840
Traceless
 xyz
x 1.950 0.266 -2.290
y 0.266 3.448 -0.135
z -2.290 -0.135 -5.398
Polar
3z2-r2-10.797
x2-y2-0.998
xy0.266
xz-2.290
yz-0.135


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.253 -0.467 -0.047
y -0.467 4.160 0.006
z -0.047 0.006 1.846


<r2> (average value of r2) Å2
<r2> 49.486
(<r2>)1/2 7.035