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All results from a given calculation for CH2CHNH2 (aminoethene)

using model chemistry: HF/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at HF/TZVP
 hartrees
Energy at 0K-133.115872
Energy at 298.15K-133.121466
HF Energy-133.115872
Nuclear repulsion energy72.142398
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 HF/TZVP
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 3880 3525 17.61      
2 A 3778 3433 17.90      
3 A 3385 3075 17.78      
4 A 3318 3014 9.97      
5 A 3290 2989 8.51      
6 A 1848 1679 194.46      
7 A 1794 1630 29.50      
8 A 1574 1431 1.43      
9 A 1443 1311 6.69      
10 A 1384 1257 57.10      
11 A 1151 1046 14.51      
12 A 1114 1012 25.42      
13 A 1037 942 9.82      
14 A 958 870 105.11      
15 A 787 715 42.44      
16 A 650 591 285.87      
17 A 501 455 4.16      
18 A 345 313 57.24      

Unscaled Zero Point Vibrational Energy (zpe) 16118.0 cm-1
Scaled (by 0.9086) Zero Point Vibrational Energy (zpe) 14644.8 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 HF/TZVP
ABC
1.93742 0.33903 0.29091

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/TZVP

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.237 -0.197 0.016
C2 0.074 0.425 -0.005
N3 -1.180 -0.166 -0.084
H4 1.313 -1.271 0.019
H5 2.151 0.364 0.013
H6 0.042 1.501 -0.014
H7 -1.205 -1.137 0.131
H8 -1.909 0.335 0.370

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6 H7 H8
C11.31962.41961.07601.07222.07662.61973.2112
C21.31961.38812.09992.07821.07632.02352.0205
N32.41961.38812.72853.37422.06760.99540.9945
H41.07602.09992.72851.83693.04882.52383.6171
H51.07222.07823.37421.83692.39593.67844.0763
H62.07661.07632.06763.04882.39592.92162.3055
H72.61972.02350.99542.52383.67842.92161.6496
H83.21122.02050.99453.61714.07632.30551.6496

picture of aminoethene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 126.642 C1 C2 H6 119.818
C2 C1 H4 122.139 C2 C1 H5 120.311
C2 N3 H7 115.198 C2 N3 H8 114.993
N3 C2 H6 113.462 H4 C1 H5 117.542
H7 N3 H8 111.990
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.332      
2 C 0.010      
3 N -0.388      
4 H 0.092      
5 H 0.105      
6 H 0.095      
7 H 0.206      
8 H 0.213      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.087 0.071 1.077 1.532
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.810 0.123 -2.259
y 0.123 -16.297 -0.122
z -2.259 -0.122 -22.886
Traceless
 xyz
x 1.781 0.123 -2.259
y 0.123 4.051 -0.122
z -2.259 -0.122 -5.832
Polar
3z2-r2-11.665
x2-y2-1.514
xy0.123
xz-2.259
yz-0.122


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.505 -0.773 -0.014
y -0.773 4.339 -0.014
z -0.014 -0.014 3.223


<r2> (average value of r2) Å2
<r2> 49.400
(<r2>)1/2 7.029