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All results from a given calculation for NH2CH2CN (Aminoacetonitrile)

using model chemistry: QCISD(T)/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)/cc-pVDZ
 hartrees
Energy at 0K-187.604546
Energy at 298.15K-187.609363
HF Energy-186.958164
Nuclear repulsion energy102.096459
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)/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' 3475 3312        
2 A' 3080 2936        
3 A' 2259 2153        
4 A' 1666 1587        
5 A' 1465 1396        
6 A' 1361 1297        
7 A' 1139 1085        
8 A' 975 930        
9 A' 860 820        
10 A' 553 527        
11 A' 204 194        
12 A" 3559 3392        
13 A" 3133 2986        
14 A" 1397 1332        
15 A" 1195 1139        
16 A" 893 851        
17 A" 395 376        
18 A" 279 265        

Unscaled Zero Point Vibrational Energy (zpe) 13942.0 cm-1
Scaled (by 0.9531) Zero Point Vibrational Energy (zpe) 13288.1 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)/cc-pVDZ
ABC
0.98453 0.15597 0.14123

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -1.463 0.739 0.000
C2 0.000 0.845 0.000
C3 0.726 -0.463 0.000
N4 1.246 -1.521 0.000
H5 -1.743 0.177 0.812
H6 -1.743 0.177 -0.812
H7 0.325 1.416 0.888
H8 0.325 1.416 -0.888

Atom - Atom Distances (Å)
  N1 C2 C3 N4 H5 H6 H7 H8
N11.46702.49753.52791.02621.02622.10842.1084
C21.46701.49672.67452.03562.03561.10501.1050
C32.49751.49671.17862.67692.67692.11762.1176
N43.52792.67451.17863.53233.53233.20433.2043
H51.02622.03562.67693.53231.62392.41202.9501
H61.02622.03562.67693.53231.62392.95012.4120
H72.10841.10502.11763.20432.41202.95011.7768
H82.10841.10502.11763.20432.95012.41201.7768

picture of Aminoacetonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 114.853 N1 C2 H7 109.315
N1 C2 H8 109.315 C2 N1 H5 108.167
C2 N1 H6 108.167 C2 C3 N4 177.154
C3 C2 H7 108.020 C3 C2 H8 108.020
H5 N1 H6 104.593 H7 C2 H8 107.030
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability