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All results from a given calculation for NH2CH2CN (Aminoacetonitrile)

using model chemistry: B3LYP/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3LYP/3-21G
 hartrees
Energy at 0K-187.054970
Energy at 298.15K-187.059862
HF Energy-187.054970
Nuclear repulsion energy102.496030
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 B3LYP/3-21G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3420 3300 0.31      
2 A' 3074 2966 9.93      
3 A' 2331 2250 0.24      
4 A' 1724 1664 20.32      
5 A' 1523 1470 12.11      
6 A' 1390 1341 0.30      
7 A' 1080 1042 19.04      
8 A' 878 847 28.22      
9 A' 692 668 216.73      
10 A' 605 584 30.79      
11 A' 234 226 9.52      
12 A" 3520 3396 1.18      
13 A" 3111 3002 3.87      
14 A" 1406 1356 0.26      
15 A" 1244 1200 0.00      
16 A" 903 872 0.02      
17 A" 454 438 13.24      
18 A" 304 293 62.18      

Unscaled Zero Point Vibrational Energy (zpe) 13944.9 cm-1
Scaled (by 0.9649) Zero Point Vibrational Energy (zpe) 13455.4 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 B3LYP/3-21G
ABC
0.98169 0.15748 0.14257

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -1.470 0.693 0.000
C2 0.000 0.831 0.000
C3 0.741 -0.448 0.000
N4 1.267 -1.487 0.000
H5 -1.813 0.220 0.840
H6 -1.813 0.220 -0.840
H7 0.298 1.409 0.881
H8 0.298 1.409 -0.881

Atom - Atom Distances (Å)
  N1 C2 C3 N4 H5 H6 H7 H8
N11.47612.48763.49891.02291.02292.10072.1007
C21.47611.47792.64152.08892.08891.09521.0952
C32.48761.47791.16472.76982.76982.10262.1026
N43.49892.64151.16473.62003.62003.17853.1785
H51.02292.08892.76983.62001.67962.42252.9712
H61.02292.08892.76983.62001.67962.97122.4225
H72.10071.09522.10263.17852.42252.97121.7622
H82.10071.09522.10263.17852.97122.42251.7622

picture of Aminoacetonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 114.731 N1 C2 H7 108.664
N1 C2 H8 108.664 C2 N1 H5 112.145
C2 N1 H6 112.145 C2 C3 N4 176.774
C3 C2 H7 108.693 C3 C2 H8 108.693
H5 N1 H6 110.366 H7 C2 H8 107.136
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.632      
2 C -0.295      
3 C 0.319      
4 N -0.476      
5 H 0.283      
6 H 0.283      
7 H 0.259      
8 H 0.259      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.557 1.676 0.000 2.287
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.722 6.902 0.000
y 6.902 -29.267 0.000
z 0.000 0.000 -21.325
Traceless
 xyz
x -0.427 6.902 0.000
y 6.902 -5.743 0.000
z 0.000 0.000 6.170
Polar
3z2-r212.340
x2-y23.544
xy6.902
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.323 -0.881 0.000
y -0.881 4.430 0.000
z 0.000 0.000 3.214


<r2> (average value of r2) Å2
<r2> 83.503
(<r2>)1/2 9.138