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All results from a given calculation for CH2CHNH2 (aminoethene)

using model chemistry: mPW1PW91/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at mPW1PW91/3-21G
 hartrees
Energy at 0K-133.174303
Energy at 298.15K-133.179507
HF Energy-133.174303
Nuclear repulsion energy71.549873
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 mPW1PW91/3-21G
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 3736 3567 32.93      
2 A 3612 3448 38.76      
3 A 3292 3143 12.91      
4 A 3199 3054 1.19      
5 A 3190 3045 15.99      
6 A 1735 1656 205.95      
7 A 1707 1630 27.72      
8 A 1514 1445 0.93      
9 A 1379 1317 17.65      
10 A 1314 1255 45.72      
11 A 1081 1032 25.01      
12 A 1033 986 20.96      
13 A 997 952 2.32      
14 A 840 802 134.10      
15 A 715 682 3.99      
16 A 468 446 2.33      
17 A 465 443 118.75      
18 A 234 224 264.88      

Unscaled Zero Point Vibrational Energy (zpe) 15254.7 cm-1
Scaled (by 0.9546) Zero Point Vibrational Energy (zpe) 14562.1 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 mPW1PW91/3-21G
ABC
1.96579 0.33213 0.28412

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/3-21G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.259 -0.192 -0.000
C2 0.067 0.420 -0.000
N3 -1.176 -0.171 0.000
H4 1.354 -1.272 -0.000
H5 2.172 0.387 0.001
H6 0.029 1.506 0.000
H7 -1.269 -1.175 0.001
H8 -2.015 0.385 -0.001

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6 H7 H8
C11.34002.43511.08431.08072.09722.71323.3248
C21.34001.37622.12562.10471.08672.08122.0826
N32.43511.37622.75883.39362.06431.00901.0066
H41.08432.12562.75881.85023.07812.62483.7543
H51.08072.10473.39361.85022.41763.77924.1867
H62.09721.08672.06433.07812.41762.97892.3307
H72.71322.08121.00902.62483.77922.97891.7294
H83.32482.08261.00663.75434.18672.33071.7294

picture of aminoethene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 127.409 C1 C2 H6 119.220
C2 C1 H4 122.165 C2 C1 H5 120.411
C2 N3 H7 120.744 C2 N3 H8 121.072
N3 C2 H6 113.372 H4 C1 H5 117.424
H7 N3 H8 118.184
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.505      
2 C 0.055      
3 N -0.797      
4 H 0.183      
5 H 0.196      
6 H 0.221      
7 H 0.323      
8 H 0.324      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.976 0.042 0.000 1.976
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.640 0.301 0.004
y 0.301 -15.657 -0.002
z 0.004 -0.002 -22.378
Traceless
 xyz
x 3.378 0.301 0.004
y 0.301 3.352 -0.002
z 0.004 -0.002 -6.729
Polar
3z2-r2-13.459
x2-y20.017
xy0.301
xz0.004
yz-0.002


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.956 -0.452 0.000
y -0.452 3.824 0.000
z 0.000 0.000 1.110


<r2> (average value of r2) Å2
<r2> 49.664
(<r2>)1/2 7.047