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: B97D3/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B97D3/cc-pVTZ
 hartrees
Energy at 0K-188.047850
Energy at 298.15K-188.052590
HF Energy-188.047850
Nuclear repulsion energy103.033362
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 B97D3/cc-pVTZ
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' 3430 3382 1.50      
2 A' 2999 2957 14.12      
3 A' 2261 2229 3.52      
4 A' 1643 1620 20.02      
5 A' 1437 1417 6.19      
6 A' 1330 1311 7.69      
7 A' 1077 1062 19.32      
8 A' 902 889 97.54      
9 A' 828 816 68.91      
10 A' 558 550 8.39      
11 A' 208 205 9.48      
12 A" 3511 3462 2.62      
13 A" 3035 2992 4.97      
14 A" 1361 1342 0.02      
15 A" 1173 1157 0.02      
16 A" 877 865 0.00      
17 A" 381 376 10.68      
18 A" 253 250 44.36      

Unscaled Zero Point Vibrational Energy (zpe) 13631.4 cm-1
Scaled (by 0.986) Zero Point Vibrational Energy (zpe) 13440.6 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 B97D3/cc-pVTZ
ABC
0.98983 0.15942 0.14408

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -1.460 0.708 0.000
C2 0.000 0.832 0.000
C3 0.733 -0.448 0.000
N4 1.246 -1.489 0.000
H5 -1.758 0.174 0.813
H6 -1.758 0.174 -0.813
H7 0.311 1.409 0.878
H8 0.311 1.409 -0.878

Atom - Atom Distances (Å)
  N1 C2 C3 N4 H5 H6 H7 H8
N11.46582.47913.48591.01681.01682.09772.0977
C21.46581.47532.63472.04542.04541.09551.0955
C32.47911.47531.16062.69262.69262.09702.0970
N43.48592.63471.16063.52853.52853.16903.1690
H51.01682.04542.69263.52851.62592.40972.9433
H61.01682.04542.69263.52851.62592.94332.4097
H72.09771.09552.09703.16902.40972.94331.7567
H82.09771.09552.09703.16902.94332.40971.7567

picture of Aminoacetonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 114.899 N1 C2 H7 109.111
N1 C2 H8 109.111 C2 N1 H5 109.623
C2 N1 H6 109.623 C2 C3 N4 176.485
C3 C2 H7 108.401 C3 C2 H8 108.401
H5 N1 H6 106.167 H7 C2 H8 106.598
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.269      
2 C -0.052      
3 C -0.131      
4 N -0.045      
5 H 0.135      
6 H 0.135      
7 H 0.113      
8 H 0.113      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.637 2.110 0.000 2.670
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.295 6.648 0.000
y 6.648 -29.314 0.000
z 0.000 0.000 -21.722
Traceless
 xyz
x -0.777 6.648 0.000
y 6.648 -5.305 0.000
z 0.000 0.000 6.083
Polar
3z2-r212.165
x2-y23.019
xy6.648
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.724 -1.113 0.000
y -1.113 6.073 0.000
z 0.000 0.000 4.258


<r2> (average value of r2) Å2
<r2> 82.776
(<r2>)1/2 9.098