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All results from a given calculation for CH2CHNH2 (aminoethene)

using model chemistry: B3PW91/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B3PW91/3-21G
 hartrees
Energy at 0K-133.161086
Energy at 298.15K-133.166265
HF Energy-133.161086
Nuclear repulsion energy71.432115
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 B3PW91/3-21G
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 3713 3569 30.13      
2 A 3590 3451 36.44      
3 A 3273 3146 13.97      
4 A 3180 3057 1.71      
5 A 3170 3047 16.54      
6 A 1722 1655 205.36      
7 A 1698 1632 23.02      
8 A 1506 1448 0.95      
9 A 1372 1319 18.31      
10 A 1306 1255 43.41      
11 A 1074 1032 23.93      
12 A 1023 984 21.91      
13 A 991 953 2.34      
14 A 827 795 128.86      
15 A 709 681 4.82      
16 A 465 447 3.06      
17 A 463 445 112.87      
18 A 227 218 264.57      

Unscaled Zero Point Vibrational Energy (zpe) 15154.2 cm-1
Scaled (by 0.9612) Zero Point Vibrational Energy (zpe) 14566.2 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 B3PW91/3-21G
ABC
1.96215 0.33084 0.28310

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/3-21G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.262 -0.192 0.000
C2 -0.067 0.420 0.000
N3 1.178 -0.171 -0.000
H4 -1.358 -1.274 0.001
H5 -2.175 0.389 -0.001
H6 -0.028 1.507 -0.001
H7 1.273 -1.177 -0.002
H8 2.018 0.386 0.002

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6 H7 H8
C11.34232.43991.08591.08232.10042.71943.3306
C21.34231.37812.12952.10801.08842.08472.0856
N32.43991.37812.76553.39932.06671.01061.0082
H41.08592.12952.76551.85263.08302.63283.7623
H51.08232.10803.39931.85262.42103.78684.1931
H62.10041.08842.06673.08302.42102.98312.3331
H72.71942.08471.01062.63283.78682.98311.7319
H83.33062.08561.00823.76234.19312.33311.7319

picture of aminoethene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 127.491 C1 C2 H6 119.195
C2 C1 H4 122.210 C2 C1 H5 120.401
C2 N3 H7 120.775 C2 N3 H8 121.063
N3 C2 H6 113.314 H4 C1 H5 117.389
H7 N3 H8 118.162
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.496      
2 C 0.054      
3 N -0.784      
4 H 0.178      
5 H 0.191      
6 H 0.215      
7 H 0.320      
8 H 0.321      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.003 0.030 0.000 2.003
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.617 -0.313 0.007
y -0.313 -15.677 0.003
z 0.007 0.003 -22.356
Traceless
 xyz
x 3.399 -0.313 0.007
y -0.313 3.310 0.003
z 0.007 0.003 -6.708
Polar
3z2-r2-13.417
x2-y20.060
xy-0.313
xz0.007
yz0.003


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.996 0.441 0.000
y 0.441 3.855 -0.000
z 0.000 -0.000 1.113


<r2> (average value of r2) Å2
<r2> 49.797
(<r2>)1/2 7.057