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=FULL/aug-cc-pVDZ

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=FULL/aug-cc-pVDZ
 hartrees
Energy at 0K-187.603515
Energy at 298.15K-187.608285
HF Energy-186.969669
Nuclear repulsion energy102.169606
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=FULL/aug-cc-pVDZ
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' 3514 3406 4.18      
2 A' 3108 3012 9.31      
3 A' 2155 2089 2.62      
4 A' 1653 1602 22.51      
5 A' 1465 1420 5.46      
6 A' 1350 1308 12.72      
7 A' 1123 1089 12.65      
8 A' 942 913 92.93      
9 A' 842 816 69.11      
10 A' 556 539 10.04      
11 A' 206 200 11.97      
12 A" 3612 3501 10.37      
13 A" 3165 3067 2.09      
14 A" 1382 1340 0.06      
15 A" 1191 1154 0.02      
16 A" 891 863 0.15      
17 A" 376 365 12.55      
18 A" 260 252 46.02      

Unscaled Zero Point Vibrational Energy (zpe) 13895.5 cm-1
Scaled (by 0.9692) Zero Point Vibrational Energy (zpe) 13467.5 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=FULL/aug-cc-pVDZ
ABC
0.99552 0.15571 0.14124

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -1.460 0.733 0.000
C2 0.000 0.838 0.000
C3 0.723 -0.460 0.000
N4 1.257 -1.519 0.000
H5 -1.773 0.208 0.816
H6 -1.773 0.208 -0.816
H7 0.317 1.409 0.885
H8 0.317 1.409 -0.885

Atom - Atom Distances (Å)
  N1 C2 C3 N4 H5 H6 H7 H8
N11.46402.48803.52931.01981.01982.09712.0971
C21.46401.48562.67142.05112.05111.09931.0993
C32.48801.48561.18642.70972.70972.10672.1067
N43.52932.67141.18643.58173.58173.19973.1997
H51.01982.05112.70973.58171.63242.41152.9501
H61.01982.05112.70973.58171.63242.95012.4115
H72.09711.09932.10673.19972.41152.95011.7692
H82.09711.09932.10673.19972.95012.41151.7692

picture of Aminoacetonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 115.017 N1 C2 H7 108.958
N1 C2 H8 108.958 C2 N1 H5 110.047
C2 N1 H6 110.047 C2 C3 N4 177.608
C3 C2 H7 108.239 C3 C2 H8 108.239
H5 N1 H6 106.329 H7 C2 H8 107.154
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability