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: CID/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 CID/6-31G*
 hartrees
Energy at 0K-187.455799
Energy at 298.15K-187.460725
HF Energy-186.943190
Nuclear repulsion energy103.399478
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 CID/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' 3628 3351 2.71      
2 A' 3192 2949 9.96      
3 A' 2475 2286 0.47      
4 A' 1775 1640 31.28      
5 A' 1567 1447 6.40      
6 A' 1445 1335 12.87      
7 A' 1183 1093 13.55      
8 A' 1000 923 187.90      
9 A' 893 825 54.43      
10 A' 596 550 10.68      
11 A' 224 207 15.15      
12 A" 3718 3434 6.64      
13 A" 3241 2994 4.75      
14 A" 1459 1347 0.01      
15 A" 1258 1162 0.00      
16 A" 941 869 0.02      
17 A" 414 383 14.06      
18 A" 290 268 62.62      

Unscaled Zero Point Vibrational Energy (zpe) 14648.6 cm-1
Scaled (by 0.9237) Zero Point Vibrational Energy (zpe) 13531.0 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 CID/6-31G*
ABC
1.02132 0.15889 0.14426

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -1.447 0.726 0.000
C2 0.000 0.828 0.000
C3 0.718 -0.468 0.000
N4 1.245 -1.494 0.000
H5 -1.767 0.218 0.813
H6 -1.767 0.218 -0.813
H7 0.318 1.392 0.875
H8 0.318 1.392 -0.875

Atom - Atom Distances (Å)
  N1 C2 C3 N4 H5 H6 H7 H8
N11.45052.47253.48891.01091.01092.07972.0797
C21.45051.48182.63422.03872.03871.08851.0885
C32.47251.48181.15272.70332.70332.09432.0943
N43.48892.63421.15273.55863.55863.15453.1545
H51.01092.03872.70333.55861.62652.39412.9287
H61.01092.03872.70333.55861.62652.92872.3941
H72.07971.08852.09433.15452.39412.92871.7494
H82.07971.08852.09433.15452.92872.39411.7494

picture of Aminoacetonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 114.949 N1 C2 H7 109.162
N1 C2 H8 109.162 C2 N1 H5 110.564
C2 N1 H6 110.564 C2 C3 N4 178.225
C3 C2 H7 108.161 C3 C2 H8 108.161
H5 N1 H6 107.121 H7 C2 H8 106.951
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability