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/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 MP2=FULL/6-31G*
 hartrees
Energy at 0K-187.532897
Energy at 298.15K-187.537732
HF Energy-186.938333
Nuclear repulsion energy102.661004
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/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' 3531 3327 2.44      
2 A' 3134 2953 8.69      
3 A' 2207 2080 3.51      
4 A' 1732 1631 29.49      
5 A' 1535 1446 6.94      
6 A' 1403 1322 9.50      
7 A' 1155 1088 15.91      
8 A' 975 918 164.93      
9 A' 875 825 56.69      
10 A' 568 535 10.45      
11 A' 208 196 12.51      
12 A" 3631 3421 6.26      
13 A" 3189 3005 3.43      
14 A" 1425 1343 0.05      
15 A" 1228 1157 0.02      
16 A" 918 865 0.02      
17 A" 401 378 24.02      
18 A" 279 263 51.59      

Unscaled Zero Point Vibrational Energy (zpe) 14196.5 cm-1
Scaled (by 0.9422) Zero Point Vibrational Energy (zpe) 13375.9 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/6-31G*
ABC
0.99831 0.15764 0.14283

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -1.454 0.724 0.000
C2 0.000 0.835 0.000
C3 0.723 -0.454 0.000
N4 1.249 -1.510 0.000
H5 -1.761 0.199 0.817
H6 -1.761 0.199 -0.817
H7 0.309 1.408 0.878
H8 0.309 1.408 -0.878

Atom - Atom Distances (Å)
  N1 C2 C3 N4 H5 H6 H7 H8
N11.45852.47503.50671.01801.01802.08572.0857
C21.45851.47812.65732.04282.04281.09331.0933
C32.47501.47811.18002.69482.69482.09992.0999
N43.50672.65731.18003.55633.55633.18913.1891
H51.01802.04282.69483.55631.63302.39862.9363
H61.01802.04282.69483.55631.63302.93632.3986
H72.08571.09332.09993.18912.39862.93631.7567
H82.08571.09332.09993.18912.93632.39861.7567

picture of Aminoacetonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 114.883 N1 C2 H7 108.804
N1 C2 H8 108.804 C2 N1 H5 109.880
C2 N1 H6 109.880 C2 C3 N4 177.205
C3 C2 H7 108.576 C3 C2 H8 108.576
H5 N1 H6 106.657 H7 C2 H8 106.912
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability