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: CCSD(T)/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 CCSD(T)/6-31G**
 hartrees
Energy at 0K-187.598565
Energy at 298.15K-187.603364
HF Energy-186.950169
Nuclear repulsion energy102.575222
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 CCSD(T)/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' 3550 3367        
2 A' 3126 2965        
3 A' 2288 2171        
4 A' 1708 1620        
5 A' 1521 1442        
6 A' 1393 1322        
7 A' 1141 1082        
8 A' 964 914        
9 A' 861 817        
10 A' 554 526        
11 A' 202 192        
12 A" 3644 3456        
13 A" 3178 3014        
14 A" 1417 1344        
15 A" 1216 1154        
16 A" 906 859        
17 A" 391 371        
18 A" 273 259        

Unscaled Zero Point Vibrational Energy (zpe) 14167.4 cm-1
Scaled (by 0.9485) Zero Point Vibrational Energy (zpe) 13437.8 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 CCSD(T)/6-31G**
ABC
0.99806 0.15692 0.14220

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -1.458 0.730 0.000
C2 0.000 0.839 0.000
C3 0.725 -0.461 0.000
N4 1.249 -1.512 0.000
H5 -1.757 0.198 0.813
H6 -1.757 0.198 -0.813
H7 0.315 1.405 0.878
H8 0.315 1.405 -0.878

Atom - Atom Distances (Å)
  N1 C2 C3 N4 H5 H6 H7 H8
N11.46242.48733.51461.01561.01562.09072.0907
C21.46241.48912.66222.03882.03881.09131.0913
C32.48731.48911.17382.69362.69362.10342.1034
N43.51462.66221.17383.55213.55213.18663.1866
H51.01562.03882.69363.55211.62512.39802.9335
H61.01562.03882.69363.55211.62512.93352.3980
H72.09071.09132.10343.18662.39802.93351.7569
H82.09071.09132.10343.18662.93352.39801.7569

picture of Aminoacetonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 114.854 N1 C2 H7 109.039
N1 C2 H8 109.039 C2 N1 H5 109.395
C2 N1 H6 109.395 C2 C3 N4 177.329
C3 C2 H7 108.217 C3 C2 H8 108.217
H5 N1 H6 106.274 H7 C2 H8 107.208
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability