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All results from a given calculation for NH2CH2CN (Aminoacetonitrile)

using model chemistry: MP4/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP4/cc-pVTZ
 hartrees
Energy at 0K-187.796126
Energy at 298.15K-187.800913
HF Energy-187.011518
Nuclear repulsion energy102.759656
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 MP4/cc-pVTZ
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' 3500 3392        
2 A' 3076 2981        
3 A' 2164 2098        
4 A' 1669 1618        
5 A' 1479 1434        
6 A' 1365 1323        
7 A' 1121 1086        
8 A' 945 916        
9 A' 846 820        
10 A' 555 538        
11 A' 208 202        
12 A" 3586 3475        
13 A" 3122 3026        
14 A" 1395 1352        
15 A" 1200 1163        
16 A" 892 865        
17 A" 379 367        
18 A" 265 257        

Unscaled Zero Point Vibrational Energy (zpe) 13883.4 cm-1
Scaled (by 0.9692) Zero Point Vibrational Energy (zpe) 13455.8 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 MP4/cc-pVTZ
ABC
1.00208 0.15756 0.14278

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -1.458 0.727 0.000
C2 0.000 0.836 0.000
C3 0.723 -0.459 0.000
N4 1.249 -1.506 0.000
H5 -1.756 0.194 0.810
H6 -1.756 0.194 -0.810
H7 0.317 1.402 0.877
H8 0.317 1.402 -0.877

Atom - Atom Distances (Å)
  N1 C2 C3 N4 H5 H6 H7 H8
N11.46192.48183.50921.01441.01442.09142.0914
C21.46191.48212.65392.03722.03721.09091.0909
C32.48181.48211.17242.68772.68772.09622.0962
N43.50922.65391.17243.54643.54643.17693.1769
H51.01442.03722.68773.54641.62052.39952.9326
H61.01442.03722.68773.54641.62052.93262.3995
H72.09141.09092.09623.17692.39952.93261.7542
H82.09141.09092.09623.17692.93262.39951.7542

picture of Aminoacetonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 114.919 N1 C2 H7 109.156
N1 C2 H8 109.156 C2 N1 H5 109.375
C2 N1 H6 109.375 C2 C3 N4 177.522
C3 C2 H7 108.148 C3 C2 H8 108.148
H5 N1 H6 106.016 H7 C2 H8 107.026
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability