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All results from a given calculation for NH2CH2CN (Aminoacetonitrile)

using model chemistry: QCISD(T)/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 QCISD(T)/aug-cc-pVDZ
 hartrees
Energy at 0K-187.644269
Energy at 298.15K-187.649010
HF Energy-186.970386
Nuclear repulsion energy101.869765
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 QCISD(T)/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' 3467 3390        
2 A' 3063 2995        
3 A' 2232 2183        
4 A' 1652 1615        
5 A' 1455 1423        
6 A' 1342 1312        
7 A' 1109 1085        
8 A' 936 915        
9 A' 836 818        
10 A' 546 534        
11 A' 204 199        
12 A" 3555 3476        
13 A" 3112 3043        
14 A" 1376 1345        
15 A" 1183 1157        
16 A" 882 863        
17 A" 370 362        
18 A" 257 251        

Unscaled Zero Point Vibrational Energy (zpe) 13789.0 cm-1
Scaled (by 0.9778) Zero Point Vibrational Energy (zpe) 13482.9 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 QCISD(T)/aug-cc-pVDZ
ABC
0.98835 0.15458 0.14022

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -1.468 0.738 0.000
C2 0.000 0.843 0.000
C3 0.728 -0.468 0.000
N4 1.259 -1.521 0.000
H5 -1.775 0.205 0.818
H6 -1.775 0.205 -0.818
H7 0.320 1.412 0.889
H8 0.320 1.412 -0.889

Atom - Atom Distances (Å)
  N1 C2 C3 N4 H5 H6 H7 H8
N11.47132.50503.54091.02331.02332.10772.1077
C21.47131.49912.67842.05582.05581.10351.1035
C32.50501.49911.17992.71802.71802.11902.1190
N43.54092.67841.17993.58513.58513.20573.2057
H51.02332.05582.71803.58511.63532.41932.9601
H61.02332.05582.71803.58511.63532.96012.4193
H72.10771.10352.11903.20572.41932.96011.7788
H82.10771.10352.11903.20572.96012.41931.7788

picture of Aminoacetonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 114.979 N1 C2 H7 109.052
N1 C2 H8 109.052 C2 N1 H5 109.684
C2 N1 H6 109.684 C2 C3 N4 177.656
C3 C2 H7 108.045 C3 C2 H8 108.045
H5 N1 H6 106.075 H7 C2 H8 107.408
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability