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

using model chemistry: QCISD(T)=FULL/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 QCISD(T)=FULL/cc-pVTZ
 hartrees
Energy at 0K-132.441444
Energy at 298.15K-132.444150
HF Energy-131.826462
Nuclear repulsion energy63.149864
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/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' 3379 3233        
2 A' 3354 3209        
3 A' 1741 1666        
4 A' 1380 1321        
5 A' 1076 1029        
6 A' 891 852        
7 A' 537 514        
8 A" 3307 3165        
9 A" 1158 1108        
10 A" 984 941        
11 A" 709 678        
12 A" 556 532        

Unscaled Zero Point Vibrational Energy (zpe) 9535.0 cm-1
Scaled (by 0.9569) Zero Point Vibrational Energy (zpe) 9124.1 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)=FULL/cc-pVTZ
ABC
1.05663 0.80622 0.47956

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.037 0.901 0.000
C2 -0.037 -0.478 0.640
C3 -0.037 -0.478 -0.640
H4 0.935 1.219 0.000
H5 -0.120 -0.897 1.618
H6 -0.120 -0.897 -1.618

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.52011.52011.02202.42012.4201
C21.52011.27942.05721.06742.2977
C31.52011.27942.05722.29771.0674
H41.02202.05722.05722.86472.8647
H52.42011.06742.29772.86473.2360
H62.42012.29771.06742.86473.2360

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 65.113 N1 C2 H5 137.869
N1 C3 C2 65.113 N1 C3 H6 137.869
C2 N1 C3 49.774 C2 N1 H4 106.391
C2 C3 H6 156.419 C3 N1 H4 106.391
C3 C2 H5 156.419
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability