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All results from a given calculation for CH2CHNH2 (aminoethene)

using model chemistry: HF/daug-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 HF/daug-cc-pVTZ
 hartrees
Energy at 0K-133.123324
Energy at 298.15K-133.128906
HF Energy-133.123324
Nuclear repulsion energy72.191018
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/daug-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 3878 3508 21.83      
2 A 3777 3417 18.67      
3 A 3377 3055 15.10      
4 A 3311 2996 7.71      
5 A 3283 2970 8.30      
6 A 1841 1665 198.61      
7 A 1787 1616 24.04      
8 A 1572 1422 2.08      
9 A 1438 1301 6.46      
10 A 1380 1249 58.38      
11 A 1149 1039 14.41      
12 A 1113 1007 26.77      
13 A 1036 937 10.52      
14 A 957 866 91.65      
15 A 785 710 26.66      
16 A 641 580 262.56      
17 A 499 452 4.00      
18 A 350 317 51.24      

Unscaled Zero Point Vibrational Energy (zpe) 16087.6 cm-1
Scaled (by 0.9046) Zero Point Vibrational Energy (zpe) 14552.8 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/daug-cc-pVTZ
ABC
1.94111 0.33940 0.29119

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.238 -0.197 0.016
C2 0.073 0.425 -0.005
N3 -1.179 -0.166 -0.083
H4 1.312 -1.270 0.018
H5 2.149 0.366 0.015
H6 0.042 1.499 -0.011
H7 -1.207 -1.136 0.134
H8 -1.911 0.337 0.361

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6 H7 H8
C11.32022.41831.07491.07092.07532.62093.2119
C21.32021.38632.09902.07651.07502.02292.0192
N32.41831.38632.72613.37092.06610.99410.9930
H41.07492.09902.72611.83663.04612.52513.6175
H51.07092.07653.37091.83662.39223.67794.0742
H62.07531.07502.06613.04612.39222.91962.3028
H72.62092.02290.99412.52513.67792.91961.6482
H83.21192.01920.99303.61754.07422.30281.6482

picture of aminoethene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 126.624 C1 C2 H6 119.749
C2 C1 H4 122.083 C2 C1 H5 120.190
C2 N3 H7 115.398 C2 N3 H8 115.132
N3 C2 H6 113.558 H4 C1 H5 117.720
H7 N3 H8 112.085
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/daug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -2.035      
2 C 0.328      
3 N -0.645      
4 H 0.440      
5 H 0.459      
6 H 0.892      
7 H 0.223      
8 H 0.337      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.103 0.025 0.986 1.480
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.899 0.013 -2.104
y 0.013 -16.438 -0.119
z -2.104 -0.119 -22.874
Traceless
 xyz
x 1.757 0.013 -2.104
y 0.013 3.948 -0.119
z -2.104 -0.119 -5.705
Polar
3z2-r2-11.411
x2-y2-1.461
xy0.013
xz-2.104
yz-0.119


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.067 -0.525 0.039
y -0.525 4.892 -0.013
z 0.039 -0.013 4.219


<r2> (average value of r2) Å2
<r2> 49.405
(<r2>)1/2 7.029