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

using model chemistry: QCISD(T)=FULL/6-311+G(3df,2p)

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/6-311+G(3df,2p)
 hartrees
Energy at 0K-132.464368
Energy at 298.15K-132.467083
HF Energy-131.826108
Nuclear repulsion energy63.149750
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/6-311+G(3df,2p)
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' 3366 3366        
2 A' 3365 3365        
3 A' 1734 1734        
4 A' 1364 1364        
5 A' 1072 1072        
6 A' 890 890        
7 A' 536 536        
8 A" 3309 3309        
9 A" 1159 1159        
10 A" 978 978        
11 A" 725 725        
12 A" 568 568        

Unscaled Zero Point Vibrational Energy (zpe) 9532.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9532.7 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/6-311+G(3df,2p)
ABC
1.05335 0.80943 0.47982

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)=FULL/6-311+G(3df,2p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.036 0.898 0.000
C2 -0.036 -0.477 0.640
C3 -0.036 -0.477 -0.640
H4 0.932 1.230 0.000
H5 -0.124 -0.894 1.624
H6 -0.124 -0.894 -1.624

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.51681.51681.02332.42012.4201
C21.51681.28072.06451.07202.3040
C31.51681.28072.06452.30401.0720
H41.02332.06452.06452.87532.8753
H52.42011.07202.30402.87533.2476
H62.42012.30401.07202.87533.2476

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 65.028 N1 C2 H5 137.748
N1 C3 C2 65.028 N1 C3 H6 137.748
C2 N1 C3 49.943 C2 N1 H4 107.131
C2 C3 H6 156.551 C3 N1 H4 107.131
C3 C2 H5 156.551
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability