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

using model chemistry: QCISD(T)=FULL/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)=FULL/aug-cc-pVDZ
 hartrees
Energy at 0K-132.298053
Energy at 298.15K-132.300648
HF Energy-131.793577
Nuclear repulsion energy62.186761
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/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' 3347 3247        
2 A' 3302 3203        
3 A' 1708 1657        
4 A' 1342 1302        
5 A' 1043 1012        
6 A' 857 831        
7 A' 498 483        
8 A" 3290 3192        
9 A" 1135 1101        
10 A" 944 916        
11 A" 646 626        
12 A" 518 503        

Unscaled Zero Point Vibrational Energy (zpe) 9314.1 cm-1
Scaled (by 0.9701) Zero Point Vibrational Energy (zpe) 9035.6 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/aug-cc-pVDZ
ABC
1.02208 0.78372 0.46511

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.036 0.914 0.000
C2 -0.036 -0.484 0.651
C3 -0.036 -0.484 -0.651
H4 0.947 1.235 0.000
H5 -0.132 -0.914 1.643
H6 -0.132 -0.914 -1.643

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.54211.54211.03442.45992.4599
C21.54211.30202.08451.08562.3361
C31.54211.30202.08452.33611.0856
H41.03442.08452.08452.91262.9126
H52.45991.08562.33612.91263.2863
H62.45992.33611.08562.91263.2863

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 65.029 N1 C2 H5 138.157
N1 C3 C2 65.029 N1 C3 H6 138.157
C2 N1 C3 49.942 C2 N1 H4 106.329
C2 C3 H6 156.046 C3 N1 H4 106.329
C3 C2 H5 156.046
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability