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All results from a given calculation for NH2CH2CN (Aminoacetonitrile)

using model chemistry: TPSSh/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 TPSSh/3-21G*
 hartrees
Energy at 0K-187.061922
Energy at 298.15K-187.066799
HF Energy-187.061922
Nuclear repulsion energy102.220854
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 TPSSh/3-21G*
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' 3394 3278 0.23      
2 A' 3073 2968 9.79      
3 A' 2288 2210 0.66      
4 A' 1724 1665 18.87      
5 A' 1521 1469 11.89      
6 A' 1377 1330 0.22      
7 A' 1079 1042 23.35      
8 A' 868 838 26.14      
9 A' 717 693 199.65      
10 A' 598 577 23.93      
11 A' 228 220 9.10      
12 A" 3495 3375 0.59      
13 A" 3115 3008 4.07      
14 A" 1404 1356 0.44      
15 A" 1239 1196 0.00      
16 A" 896 865 0.00      
17 A" 454 439 16.58      
18 A" 304 294 61.71      

Unscaled Zero Point Vibrational Energy (zpe) 13887.9 cm-1
Scaled (by 0.9657) Zero Point Vibrational Energy (zpe) 13411.6 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 TPSSh/3-21G*
ABC
0.96565 0.15740 0.14218

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -1.477 0.688 0.000
C2 0.000 0.838 0.000
C3 0.745 -0.440 0.000
N4 1.269 -1.488 0.000
H5 -1.797 0.189 0.839
H6 -1.797 0.189 -0.839
H7 0.289 1.417 0.884
H8 0.289 1.417 -0.884

Atom - Atom Distances (Å)
  N1 C2 C3 N4 H5 H6 H7 H8
N11.48422.49153.50281.02711.02712.10542.1054
C21.48421.47992.64972.08702.08701.09581.0958
C32.49151.47991.17112.75002.75002.10722.1072
N43.50282.64971.17113.59393.59393.19063.1906
H51.02712.08702.75003.59391.67742.42172.9717
H61.02712.08702.75003.59391.67742.97172.4217
H72.10541.09582.10723.19062.42172.97171.7685
H82.10541.09582.10723.19062.97172.42171.7685

picture of Aminoacetonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 114.396 N1 C2 H7 108.442
N1 C2 H8 108.442 C2 N1 H5 111.099
C2 N1 H6 111.099 C2 C3 N4 176.349
C3 C2 H7 108.876 C3 C2 H8 108.876
H5 N1 H6 109.486 H7 C2 H8 107.603
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.643      
2 C -0.328      
3 C 0.328      
4 N -0.492      
5 H 0.291      
6 H 0.291      
7 H 0.276      
8 H 0.276      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.529 1.663 0.000 2.259
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.465 -0.937 0.000
y -0.937 4.565 0.000
z 0.000 0.000 3.254


<r2> (average value of r2) Å2
<r2> 83.677
(<r2>)1/2 9.148