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All results from a given calculation for NH2CH2CN (Aminoacetonitrile)

using model chemistry: MP2/CEP-121G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/CEP-121G
 hartrees
Energy at 0K-32.966878
Energy at 298.15K-32.971531
HF Energy-32.552940
Nuclear repulsion energy54.484598
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 MP2/CEP-121G
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' 3479 3395 1.14      
2 A' 3036 2964 21.19      
3 A' 1992 1944 11.62      
4 A' 1732 1690 34.31      
5 A' 1498 1462 8.11      
6 A' 1394 1361 11.64      
7 A' 1096 1069 23.93      
8 A' 861 841 109.73      
9 A' 750 732 199.87      
10 A' 529 516 28.10      
11 A' 195 190 9.49      
12 A" 3614 3527 2.57      
13 A" 3106 3031 11.64      
14 A" 1386 1353 0.07      
15 A" 1202 1173 0.88      
16 A" 893 871 0.13      
17 A" 352 344 32.60      
18 A" 250 244 39.72      

Unscaled Zero Point Vibrational Energy (zpe) 13681.4 cm-1
Scaled (by 0.976) Zero Point Vibrational Energy (zpe) 13353.0 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 MP2/CEP-121G
ABC
0.97543 0.14762 0.13440

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/CEP-121G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -1.486 0.745 0.000
C2 0.000 0.851 0.000
C3 0.743 -0.477 0.000
N4 1.294 -1.562 0.000
H5 -1.867 0.316 0.844
H6 -1.867 0.316 -0.844
H7 0.308 1.420 0.889
H8 0.308 1.420 -0.889

Atom - Atom Distances (Å)
  N1 C2 C3 N4 H5 H6 H7 H8
N11.48952.54213.61211.02081.02082.11292.1129
C21.48951.52202.73772.11732.11731.09951.0995
C32.54211.52201.21622.85522.85522.13982.1398
N43.61212.73771.21623.77173.77173.26373.2637
H51.02082.11732.85523.77171.68842.43952.9921
H61.02082.11732.85523.77171.68842.99212.4395
H72.11291.09952.13983.26372.43952.99211.7777
H82.11291.09952.13983.26372.99212.43951.7777

picture of Aminoacetonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 115.149 N1 C2 H7 108.451
N1 C2 H8 108.451 C2 N1 H5 113.705
C2 N1 H6 113.705 C2 C3 N4 177.696
C3 C2 H7 108.345 C3 C2 H8 108.345
H5 N1 H6 111.586 H7 C2 H8 107.882
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability