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All results from a given calculation for CH2CHNH2 (aminoethene)

using model chemistry: B3PW91/cc-pVDZ

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/cc-pVDZ
 hartrees
Energy at 0K-133.904932
Energy at 298.15K-133.910378
HF Energy-133.904932
Nuclear repulsion energy71.309220
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/cc-pVDZ
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 3650 3523 11.57      
2 A 3545 3421 8.84      
3 A 3266 3152 10.14      
4 A 3170 3059 6.26      
5 A 3157 3047 11.68      
6 A 1734 1673 144.96      
7 A 1628 1571 21.86      
8 A 1427 1377 1.47      
9 A 1327 1281 13.58      
10 A 1293 1248 30.21      
11 A 1087 1049 12.26      
12 A 1000 965 21.30      
13 A 956 923 2.00      
14 A 800 772 62.65      
15 A 724 698 47.98      
16 A 618 596 225.67      
17 A 470 453 3.53      
18 A 364 351 50.09      

Unscaled Zero Point Vibrational Energy (zpe) 15107.3 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 14578.5 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/cc-pVDZ
ABC
1.88815 0.33225 0.28525

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/cc-pVDZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.253 -0.196 0.018
C2 0.065 0.427 -0.001
N3 -1.189 -0.168 -0.093
H4 1.336 -1.287 0.026
H5 2.177 0.383 -0.000
H6 0.025 1.522 -0.013
H7 -1.201 -1.157 0.142
H8 -1.924 0.328 0.400

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6 H7 H8
C11.34192.44461.09391.09002.11172.63833.2433
C21.34191.39002.13342.11251.09612.03172.0316
N32.44461.39002.76383.41132.08211.01651.0152
H41.09392.13342.76381.86973.09942.54253.6573
H51.09002.11253.41131.86972.43413.71454.1210
H62.11171.09612.08213.09942.43412.94982.3235
H72.63832.03171.01652.54253.71452.94981.6716
H83.24332.03161.01523.65734.12102.32351.6716

picture of aminoethene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 126.963 C1 C2 H6 119.688
C2 C1 H4 121.961 C2 C1 H5 120.255
C2 N3 H7 114.290 C2 N3 H8 114.368
N3 C2 H6 113.221 H4 C1 H5 117.767
H7 N3 H8 110.727
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.100      
2 C -0.047      
3 N -0.141      
4 H 0.018      
5 H 0.036      
6 H 0.031      
7 H 0.097      
8 H 0.106      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.359 -0.060 1.002 1.689
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.121 0.303 -2.035
y 0.303 -16.311 -0.125
z -2.035 -0.125 -21.772
Traceless
 xyz
x 1.920 0.303 -2.035
y 0.303 3.136 -0.125
z -2.035 -0.125 -5.057
Polar
3z2-r2-10.113
x2-y2-0.811
xy0.303
xz-2.035
yz-0.125


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.564 -0.473 -0.069
y -0.473 4.420 -0.005
z -0.069 -0.005 2.206


<r2> (average value of r2) Å2
<r2> 49.826
(<r2>)1/2 7.059