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All results from a given calculation for NH2CH2CN (Aminoacetonitrile)

using model chemistry: MP2=FULL/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=FULL/3-21G*
 hartrees
Energy at 0K-186.307119
Energy at 298.15K-186.312016
HF Energy-185.892759
Nuclear repulsion energy101.504542
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/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' 3450 3271 0.36      
2 A' 3117 2955 9.29      
3 A' 2124 2014 10.84      
4 A' 1763 1671 20.02      
5 A' 1567 1485 8.21      
6 A' 1412 1339 0.90      
7 A' 1100 1043 29.60      
8 A' 874 829 61.72      
9 A' 774 734 174.35      
10 A' 586 556 15.91      
11 A' 227 216 10.10      
12 A" 3555 3370 1.12      
13 A" 3162 2998 4.54      
14 A" 1429 1355 0.29      
15 A" 1263 1197 0.01      
16 A" 916 868 0.05      
17 A" 437 414 20.19      
18 A" 308 292 57.38      

Unscaled Zero Point Vibrational Energy (zpe) 14031.5 cm-1
Scaled (by 0.948) Zero Point Vibrational Energy (zpe) 13301.8 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 MP2=FULL/3-21G*
ABC
0.97510 0.15364 0.13927

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -1.484 0.710 0.000
C2 0.000 0.840 0.000
C3 0.742 -0.453 0.000
N4 1.282 -1.511 0.000
H5 -1.815 0.226 0.837
H6 -1.815 0.226 -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
N11.48932.51133.54791.02201.02202.10562.1056
C21.48931.49082.67852.09062.09061.09401.0940
C32.51131.49081.18852.77462.77462.11492.1149
N43.54792.67851.18853.64843.64843.21363.2136
H51.02202.09062.77463.64841.67352.42072.9691
H61.02202.09062.77463.64841.67352.96912.4207
H72.10561.09402.11493.21362.42072.96911.7662
H82.10561.09402.11493.21362.96912.42071.7662

picture of Aminoacetonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 114.852 N1 C2 H7 108.212
N1 C2 H8 108.212 C2 N1 H5 111.350
C2 N1 H6 111.350 C2 C3 N4 177.193
C3 C2 H7 108.846 C3 C2 H8 108.846
H5 N1 H6 109.921 H7 C2 H8 107.647
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability