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: BLYP/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 BLYP/3-21G*
 hartrees
Energy at 0K-186.987514
Energy at 298.15K-186.992321
HF Energy-186.987514
Nuclear repulsion energy101.574348
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 BLYP/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' 3265 3244 1.26      
2 A' 2992 2973 11.59      
3 A' 2221 2207 0.75      
4 A' 1683 1672 15.11      
5 A' 1483 1474 10.53      
6 A' 1346 1338 0.21      
7 A' 1047 1041 23.66      
8 A' 839 833 15.23      
9 A' 694 690 181.00      
10 A' 580 576 21.31      
11 A' 224 223 7.83      
12 A" 3361 3339 0.26      
13 A" 3027 3008 5.19      
14 A" 1373 1364 0.55      
15 A" 1215 1207 0.07      
16 A" 879 874 0.02      
17 A" 443 440 16.40      
18 A" 297 295 57.78      

Unscaled Zero Point Vibrational Energy (zpe) 13485.3 cm-1
Scaled (by 0.9935) Zero Point Vibrational Energy (zpe) 13397.6 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 BLYP/3-21G*
ABC
0.95152 0.15554 0.14041

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -1.489 0.693 0.000
C2 0.000 0.842 0.000
C3 0.754 -0.440 0.000
N4 1.275 -1.496 0.000
H5 -1.801 0.175 0.841
H6 -1.801 0.175 -0.841
H7 0.291 1.427 0.888
H8 0.291 1.427 -0.888

Atom - Atom Distances (Å)
  N1 C2 C3 N4 H5 H6 H7 H8
N11.49672.51303.52591.03591.03592.12032.1203
C21.49671.48722.66322.09652.09651.10251.1025
C32.51301.48721.17782.75862.75862.11852.1185
N43.52592.66321.17783.59933.59933.20963.2096
H51.03592.09652.75863.59931.68192.43802.9887
H61.03592.09652.75863.59931.68192.98872.4380
H72.12031.10252.11853.20962.43802.98871.7769
H82.12031.10252.11853.20962.98872.43801.7769

picture of Aminoacetonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 114.742 N1 C2 H7 108.363
N1 C2 H8 108.363 C2 N1 H5 110.419
C2 N1 H6 110.419 C2 C3 N4 175.786
C3 C2 H7 108.876 C3 C2 H8 108.876
H5 N1 H6 108.543 H7 C2 H8 107.379
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.575      
2 C -0.295      
3 C 0.312      
4 N -0.462      
5 H 0.266      
6 H 0.266      
7 H 0.244      
8 H 0.244      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.505 1.562 0.000 2.169
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.953 6.855 0.000
y 6.855 -29.064 0.000
z 0.000 0.000 -21.472
Traceless
 xyz
x -0.685 6.855 0.000
y 6.855 -5.352 0.000
z 0.000 0.000 6.037
Polar
3z2-r212.074
x2-y23.112
xy6.855
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.651 -0.991 0.000
y -0.991 4.678 0.000
z 0.000 0.000 3.313


<r2> (average value of r2) Å2
<r2> 84.460
(<r2>)1/2 9.190