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All results from a given calculation for NH2CH2CN (Aminoacetonitrile)

using model chemistry: HF/CEP-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HF/CEP-31G
 hartrees
Energy at 0K-32.554209
Energy at 298.15K-32.559047
HF Energy-32.554209
Nuclear repulsion energy55.614071
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 HF/CEP-31G
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' 3823 3446 5.77      
2 A' 3291 2967 30.57      
3 A' 2495 2249 2.55      
4 A' 1831 1650 42.45      
5 A' 1619 1459 10.85      
6 A' 1502 1354 13.10      
7 A' 1203 1084 42.37      
8 A' 941 848 97.89      
9 A' 655 590 171.43      
10 A' 590 532 251.16      
11 A' 243 219 15.27      
12 A" 3960 3570 15.00      
13 A" 3350 3020 19.28      
14 A" 1477 1332 0.07      
15 A" 1289 1162 2.32      
16 A" 961 866 0.41      
17 A" 412 372 5.46      
18 A" 266 240 61.94      

Unscaled Zero Point Vibrational Energy (zpe) 14953.8 cm-1
Scaled (by 0.9014) Zero Point Vibrational Energy (zpe) 13479.3 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 HF/CEP-31G
ABC
1.03094 0.15285 0.13965

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/CEP-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -1.451 0.727 0.000
C2 0.000 0.829 0.000
C3 0.727 -0.496 0.000
N4 1.274 -1.521 0.000
H5 -1.883 0.399 0.840
H6 -1.883 0.399 -0.840
H7 0.324 1.382 0.875
H8 0.324 1.382 -0.875

Atom - Atom Distances (Å)
  N1 C2 C3 N4 H5 H6 H7 H8
N11.45502.49803.53330.99970.99972.08522.0852
C21.45501.51132.67352.10622.10621.08481.0848
C32.49801.51131.16222.88362.88362.11082.1108
N43.53332.67351.16223.78923.78923.17783.1778
H50.99972.10622.88363.78921.67932.41702.9632
H60.99972.10622.88363.78921.67932.96322.4170
H72.08521.08482.11083.17782.41702.96321.7498
H82.08521.08482.11083.17782.96322.41701.7498

picture of Aminoacetonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 114.720 N1 C2 H7 109.513
N1 C2 H8 109.513 C2 N1 H5 116.981
C2 N1 H6 116.981 C2 C3 N4 179.367
C3 C2 H7 107.663 C3 C2 H8 107.663
H5 N1 H6 114.269 H7 C2 H8 107.516
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.639      
2 C -0.031      
3 C -0.577      
4 N 0.335      
5 H 0.298      
6 H 0.298      
7 H 0.159      
8 H 0.159      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.948 2.477 0.000 3.151
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.216 7.562 0.000
y 7.562 -31.677 0.000
z 0.000 0.000 -21.534
Traceless
 xyz
x 0.389 7.562 0.000
y 7.562 -7.802 0.000
z 0.000 0.000 7.413
Polar
3z2-r214.826
x2-y25.461
xy7.562
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.320 -0.952 0.000
y -0.952 4.671 0.000
z 0.000 0.000 3.356


<r2> (average value of r2) Å2
<r2> 69.629
(<r2>)1/2 8.344