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All results from a given calculation for NH2CH2CN (Aminoacetonitrile)

using model chemistry: MP2/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/3-21G*
 hartrees
Energy at 0K-186.300358
Energy at 298.15K-186.305255
HF Energy-185.892699
Nuclear repulsion energy101.489267
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 MP2/3-21G*
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' 3449 3281 0.35      
2 A' 3117 2965 9.32      
3 A' 2124 2020 10.85      
4 A' 1763 1677 19.97      
5 A' 1567 1491 8.17      
6 A' 1412 1343 0.91      
7 A' 1100 1047 29.91      
8 A' 874 831 62.14      
9 A' 775 737 173.02      
10 A' 586 558 15.80      
11 A' 228 216 10.12      
12 A" 3553 3380 1.08      
13 A" 3162 3008 4.57      
14 A" 1429 1359 0.30      
15 A" 1263 1201 0.01      
16 A" 916 871 0.06      
17 A" 437 416 20.12      
18 A" 308 293 57.50      

Unscaled Zero Point Vibrational Energy (zpe) 14030.6 cm-1
Scaled (by 0.9513) Zero Point Vibrational Energy (zpe) 13347.3 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 MP2/3-21G*
ABC
0.97480 0.15359 0.13922

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -1.484 0.711 0.000
C2 0.000 0.840 0.000
C3 0.742 -0.453 0.000
N4 1.283 -1.512 0.000
H5 -1.815 0.225 0.837
H6 -1.815 0.225 -0.837
H7 0.293 1.416 0.883
H8 0.293 1.416 -0.883

Atom - Atom Distances (Å)
  N1 C2 C3 N4 H5 H6 H7 H8
N11.48972.51193.54851.02211.02212.10592.1059
C21.48971.49102.67892.09072.09071.09421.0942
C32.51191.49101.18862.77442.77442.11522.1152
N43.54852.67891.18863.64833.64833.21393.2139
H51.02212.09072.77443.64831.67342.42092.9694
H61.02212.09072.77443.64831.67342.96942.4209
H72.10591.09422.11523.21392.42092.96941.7666
H82.10591.09422.11523.21392.96942.42091.7666

picture of Aminoacetonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 114.855 N1 C2 H7 108.207
N1 C2 H8 108.207 C2 N1 H5 111.320
C2 N1 H6 111.320 C2 C3 N4 177.193
C3 C2 H7 108.843 C3 C2 H8 108.843
H5 N1 H6 109.891 H7 C2 H8 107.660
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability