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All results from a given calculation for CH2CHNH2 (aminoethene)

using model chemistry: B2PLYP/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 B2PLYP/6-31G*
 hartrees
Energy at 0K-133.778971
Energy at 298.15K-133.784432
HF Energy-133.640513
Nuclear repulsion energy71.363013
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 B2PLYP/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 3659 3473 6.31      
2 A 3555 3375 6.14      
3 A 3295 3128 14.56      
4 A 3212 3049 9.51      
5 A 3199 3036 11.19      
6 A 1751 1662 116.71      
7 A 1698 1611 25.47      
8 A 1489 1414 1.84      
9 A 1362 1293 7.43      
10 A 1318 1251 28.95      
11 A 1099 1043 9.73      
12 A 1015 963 22.82      
13 A 977 928 1.83      
14 A 808 767 71.78      
15 A 759 721 140.35      
16 A 650 617 187.48      
17 A 472 448 4.22      
18 A 354 336 54.63      

Unscaled Zero Point Vibrational Energy (zpe) 15335.5 cm-1
Scaled (by 0.9492) Zero Point Vibrational Energy (zpe) 14556.5 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 B2PLYP/6-31G*
ABC
1.88058 0.33268 0.28556

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.251 -0.198 0.019
C2 0.069 0.433 -0.002
N3 -1.191 -0.167 -0.095
H4 1.326 -1.281 0.028
H5 2.174 0.365 -0.001
H6 0.028 1.519 -0.018
H7 -1.190 -1.155 0.133
H8 -1.917 0.315 0.420

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6 H7 H8
C11.33962.44451.08561.08172.10762.62403.2342
C21.33961.39852.12512.10621.08682.03052.0339
N32.44451.39852.75473.40822.08181.01361.0122
H41.08562.12512.75471.85213.08582.52073.6354
H51.08172.10623.40821.85212.43633.69384.1133
H62.10761.08682.08183.08582.43632.94172.3293
H72.62402.03051.01362.52073.69382.94171.6649
H83.23422.03391.01223.63544.11332.32931.6649

picture of aminoethene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 126.434 C1 C2 H6 120.243
C2 C1 H4 122.037 C2 C1 H5 120.517
C2 N3 H7 113.706 C2 N3 H8 114.105
N3 C2 H6 113.183 H4 C1 H5 117.425
H7 N3 H8 110.541
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.419      
2 C 0.085      
3 N -0.777      
4 H 0.137      
5 H 0.151      
6 H 0.157      
7 H 0.333      
8 H 0.333      


Electric dipole moments


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.208 -0.456 -0.065
y -0.456 4.173 0.007
z -0.065 0.007 1.834


<r2> (average value of r2) Å2
<r2> 49.806
(<r2>)1/2 7.057