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All results from a given calculation for CH2CHNH2 (aminoethene)

using model chemistry: B1B95/aug-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 B1B95/aug-cc-pVDZ
 hartrees
Energy at 0K-133.895705
Energy at 298.15K-133.901096
HF Energy-133.895705
Nuclear repulsion energy71.566091
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/aug-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 3712 3556 19.77      
2 A 3597 3445 14.53      
3 A 3290 3152 10.16      
4 A 3200 3065 7.07      
5 A 3182 3048 7.82      
6 A 1735 1662 190.05      
7 A 1635 1566 24.06      
8 A 1437 1377 1.97      
9 A 1330 1274 12.34      
10 A 1287 1233 42.49      
11 A 1081 1036 16.70      
12 A 1000 958 24.50      
13 A 955 915 3.06      
14 A 833 798 67.05      
15 A 704 674 7.08      
16 A 551 528 244.22      
17 A 461 442 2.90      
18 A 350 335 52.94      

Unscaled Zero Point Vibrational Energy (zpe) 15170.3 cm-1
Scaled (by 0.9579) Zero Point Vibrational Energy (zpe) 14531.6 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/aug-cc-pVDZ
ABC
1.90603 0.33466 0.28672

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/aug-cc-pVDZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.250 -0.196 0.014
C2 0.066 0.427 0.000
N3 -1.181 -0.170 -0.082
H4 1.332 -1.282 0.018
H5 2.168 0.381 0.006
H6 0.027 1.516 -0.009
H7 -1.213 -1.154 0.140
H8 -1.942 0.342 0.335

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6 H7 H8
C11.33812.43331.08861.08462.10432.64543.2534
C21.33811.38512.12672.10281.09002.03822.0378
N32.43331.38512.74993.39562.07581.00931.0076
H41.08862.12672.74991.86123.08732.55073.6687
H51.08462.10283.39561.86122.42343.71554.1240
H62.10431.09002.07583.08732.42342.94802.3188
H72.64542.03821.00932.55073.71552.94801.6762
H83.25342.03781.00763.66874.12402.31881.6762

picture of aminoethene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 126.632 C1 C2 H6 119.792
C2 C1 H4 122.076 C2 C1 H5 120.082
C2 N3 H7 115.803 C2 N3 H8 115.896
N3 C2 H6 113.470 H4 C1 H5 117.835
H7 N3 H8 112.420
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.771      
2 C 0.908      
3 N -0.105      
4 H -0.496      
5 H -0.432      
6 H -0.513      
7 H -0.084      
8 H -0.050      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.305 -0.035 0.881 1.575
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.644 0.133 -1.916
y 0.133 -16.521 -0.148
z -1.916 -0.148 -22.789
Traceless
 xyz
x 2.011 0.133 -1.916
y 0.133 3.695 -0.148
z -1.916 -0.148 -5.706
Polar
3z2-r2-11.412
x2-y2-1.123
xy0.133
xz-1.916
yz-0.148


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.618 -0.416 0.040
y -0.416 5.137 -0.011
z 0.040 -0.011 4.360


<r2> (average value of r2) Å2
<r2> 49.989
(<r2>)1/2 7.070