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: MP2/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/6-311G**
 hartrees
Energy at 0K-187.619718
Energy at 298.15K-187.624573
HF Energy-186.990615
Nuclear repulsion energy102.794864
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 MP2/6-311G**
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' 3548 3372 2.14      
2 A' 3115 2960 10.95      
3 A' 2187 2078 3.91      
4 A' 1672 1589 23.95      
5 A' 1494 1420 6.37      
6 A' 1383 1314 12.05      
7 A' 1143 1086 14.10      
8 A' 971 922 143.89      
9 A' 868 825 44.54      
10 A' 567 539 10.08      
11 A' 212 201 11.49      
12 A" 3640 3459 5.35      
13 A" 3167 3010 3.88      
14 A" 1410 1340 0.16      
15 A" 1209 1149 0.04      
16 A" 908 862 0.28      
17 A" 399 379 21.52      
18 A" 281 267 43.12      

Unscaled Zero Point Vibrational Energy (zpe) 14086.5 cm-1
Scaled (by 0.9502) Zero Point Vibrational Energy (zpe) 13385.0 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 MP2/6-311G**
ABC
0.99897 0.15803 0.14313

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -1.456 0.723 0.000
C2 0.000 0.836 0.000
C3 0.723 -0.455 0.000
N4 1.247 -1.506 0.000
H5 -1.752 0.191 0.812
H6 -1.752 0.191 -0.812
H7 0.315 1.404 0.879
H8 0.315 1.404 -0.879

Atom - Atom Distances (Å)
  N1 C2 C3 N4 H5 H6 H7 H8
N11.46012.47673.50361.01491.01492.09042.0904
C21.46011.47922.65302.03592.03591.09301.0930
C32.47671.47921.17462.68362.68362.09632.0963
N43.50362.65301.17463.54063.54063.17963.1796
H51.01492.03592.68363.54061.62372.39722.9328
H61.01492.03592.68363.54061.62372.93282.3972
H72.09041.09302.09633.17962.39722.93281.7581
H82.09041.09302.09633.17962.93282.39721.7581

picture of Aminoacetonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 114.832 N1 C2 H7 109.083
N1 C2 H8 109.083 C2 N1 H5 109.368
C2 N1 H6 109.368 C2 C3 N4 177.269
C3 C2 H7 108.242 C3 C2 H8 108.242
H5 N1 H6 106.242 H7 C2 H8 107.084
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability