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All results from a given calculation for CHNHCH (1H-Azirine)

using model chemistry: QCISD(T)=FULL/6-31+G**

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)=FULL/6-31+G**
 hartrees
Energy at 0K-132.283794
Energy at 298.15K-132.286440
HF Energy-131.785757
Nuclear repulsion energy62.793544
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)=FULL/6-31+G**
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' 3400 3400        
2 A' 3380 3380        
3 A' 1742 1742        
4 A' 1360 1360        
5 A' 1086 1086        
6 A' 888 888        
7 A' 513 513        
8 A" 3343 3343        
9 A" 1167 1167        
10 A" 980 980        
11 A" 679 679        
12 A" 530 530        

Unscaled Zero Point Vibrational Energy (zpe) 9534.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9534.3 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)=FULL/6-31+G**
ABC
1.04222 0.79925 0.47436

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)=FULL/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.032 0.903 0.000
C2 -0.032 -0.480 0.645
C3 -0.032 -0.480 -0.645
H4 0.939 1.236 0.000
H5 -0.162 -0.902 1.623
H6 -0.162 -0.902 -1.623

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.52631.52631.02622.43112.4311
C21.52631.29092.07421.07312.3114
C31.52631.29092.07422.31141.0731
H41.02622.07422.07422.90112.9011
H52.43111.07312.31142.90113.2469
H62.43112.31141.07312.90113.2469

picture of 1H-Azirine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 64.983 N1 C2 H5 137.877
N1 C3 C2 64.983 N1 C3 H6 137.877
C2 N1 C3 50.033 C2 N1 H4 107.074
C2 C3 H6 155.707 C3 N1 H4 107.074
C3 C2 H5 155.707
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability