return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for NH2CH2CN (Aminoacetonitrile)

using model chemistry: wB97X-D/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at wB97X-D/6-31G
 hartrees
Energy at 0K-187.967166
Energy at 298.15K-187.971856
HF Energy-187.967166
Nuclear repulsion energy 
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 wB97X-D/6-31G
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' 3647 3647 6.73      
2 A' 3090 3090 14.50      
3 A' 2340 2340 0.81      
4 A' 1728 1728 37.01      
5 A' 1517 1517 14.79      
6 A' 1415 1415 2.81      
7 A' 1153 1153 31.75      
8 A' 899 899 45.38      
9 A' 610 610 92.33      
10 A' 545 545 300.71      
11 A' 214 214 10.38      
12 A" 3773 3773 14.20      
13 A" 3142 3142 5.54      
14 A" 1397 1397 0.32      
15 A" 1219 1219 1.22      
16 A" 912 912 1.53      
17 A" 391 391 17.86      
18 A" 269 269 43.90      

Unscaled Zero Point Vibrational Energy (zpe) 14129.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 14129.6 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 wB97X-D/6-31G
ABC
1.01399 0.15641 0.14236

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -1.441 0.707 0.000
C2 0.000 0.823 0.000
C3 0.733 -0.468 0.000
N4 1.255 -1.514 0.000
H5 -1.867 0.365 0.846
H6 -1.867 0.365 -0.846
H7 0.318 1.396 0.876
H8 0.318 1.396 -0.876

Atom - Atom Distances (Å)
  N1 C2 C3 N4 H5 H6 H7 H8
N11.44522.47043.49211.00741.00742.08242.0824
C21.44521.48432.65212.10012.10011.09451.0945
C32.47041.48431.16872.85772.85772.10142.1014
N43.49212.65211.16873.74023.74023.18023.1802
H51.00742.10012.85773.74021.69292.41622.9672
H61.00742.10012.85773.74021.69292.96722.4162
H72.08241.09452.10143.18022.41622.96721.7522
H82.08241.09452.10143.18022.96722.41621.7522

picture of Aminoacetonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 114.969 N1 C2 H7 109.380
N1 C2 H8 109.380 C2 N1 H5 116.670
C2 N1 H6 116.670 C2 C3 N4 176.966
C3 C2 H7 108.204 C3 C2 H8 108.204
H5 N1 H6 114.336 H7 C2 H8 106.351
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.726      
2 C -0.216      
3 C 0.132      
4 N -0.290      
5 H 0.323      
6 H 0.323      
7 H 0.226      
8 H 0.226      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.901 2.240 0.000 2.938
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.964 6.749 0.000
y 6.749 -30.148 0.000
z 0.000 0.000 -21.083
Traceless
 xyz
x 0.652 6.749 0.000
y 6.749 -7.124 0.000
z 0.000 0.000 6.472
Polar
3z2-r212.945
x2-y25.184
xy6.749
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.402 -0.989 0.000
y -0.989 4.766 0.000
z 0.000 0.000 3.336


<r2> (average value of r2) Å2
<r2> 83.848
(<r2>)1/2 9.157