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All results from a given calculation for CH2CHNH2 (aminoethene)

using model chemistry: B1B95/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B1B95/3-21G
 hartrees
Energy at 0K-133.134085
Energy at 298.15K-133.139295
HF Energy-133.134085
Nuclear repulsion energy71.642501
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 B1B95/3-21G
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 3732 3571 30.98      
2 A 3608 3452 37.52      
3 A 3296 3153 13.74      
4 A 3203 3065 0.71      
5 A 3195 3057 16.62      
6 A 1737 1662 200.13      
7 A 1704 1630 34.16      
8 A 1512 1446 1.12      
9 A 1377 1317 16.39      
10 A 1311 1254 46.33      
11 A 1079 1032 25.35      
12 A 1032 988 20.28      
13 A 993 950 2.27      
14 A 841 804 128.93      
15 A 713 682 3.70      
16 A 467 447 126.79      
17 A 463 443 2.22      
18 A 241 231 254.41      

Unscaled Zero Point Vibrational Energy (zpe) 15251.5 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 14591.1 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 B1B95/3-21G
ABC
1.96948 0.33310 0.28491

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/3-21G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.257 -0.192 0.000
C2 0.068 0.420 0.000
N3 -1.174 -0.171 -0.000
H4 1.350 -1.271 0.000
H5 2.169 0.385 0.000
H6 0.029 1.504 0.000
H7 -1.267 -1.174 0.000
H8 -2.013 0.384 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6 H7 H8
C11.33762.43151.08281.07912.09452.70903.3206
C21.33761.37512.12192.10171.08512.07942.0811
N32.43151.37512.75353.38922.06191.00801.0055
H41.08282.12192.75351.84733.07362.61923.7480
H51.07912.10173.38921.84732.41573.77384.1822
H62.09451.08512.06193.07362.41572.97552.3288
H72.70902.07941.00802.61923.77382.97551.7272
H83.32062.08111.00553.74804.18222.32881.7272

picture of aminoethene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 127.352 C1 C2 H6 119.296
C2 C1 H4 122.135 C2 C1 H5 120.460
C2 N3 H7 120.738 C2 N3 H8 121.115
N3 C2 H6 113.352 H4 C1 H5 117.406
H7 N3 H8 118.148
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.484      
2 C 0.057      
3 N -0.786      
4 H 0.175      
5 H 0.188      
6 H 0.213      
7 H 0.319      
8 H 0.319      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.961 0.040 0.001 1.961
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.666 0.303 -0.002
y 0.303 -15.697 -0.000
z -0.002 -0.000 -22.296
Traceless
 xyz
x 3.330 0.303 -0.002
y 0.303 3.284 -0.000
z -0.002 -0.000 -6.614
Polar
3z2-r2-13.228
x2-y20.030
xy0.303
xz-0.002
yz-0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.954 -0.447 0.000
y -0.447 3.837 0.000
z 0.000 0.000 1.107


<r2> (average value of r2) Å2
<r2> 49.555
(<r2>)1/2 7.040