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

using model chemistry: QCISD(T)=FULL/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/cc-pVDZ
 hartrees
Energy at 0K-132.268639
Energy at 298.15K-132.271275
HF Energy-131.784033
Nuclear repulsion energy62.275064
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-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' 3353 3216        
2 A' 3290 3155        
3 A' 1718 1648        
4 A' 1375 1318        
5 A' 1069 1025        
6 A' 865 830        
7 A' 507 486        
8 A" 3298 3163        
9 A" 1157 1109        
10 A" 950 911        
11 A" 674 646        
12 A" 536 514        

Unscaled Zero Point Vibrational Energy (zpe) 9395.7 cm-1
Scaled (by 0.959) Zero Point Vibrational Energy (zpe) 9010.5 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-pVDZ
ABC
1.02071 0.78940 0.46722

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.037 0.912 0.000
C2 -0.037 -0.481 0.651
C3 -0.037 -0.481 -0.651
H4 0.955 1.216 0.000
H5 -0.123 -0.913 1.645
H6 -0.123 -0.913 -1.645

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.53771.53771.03782.45862.4586
C21.53771.30172.07081.08722.3376
C31.53771.30172.07082.33761.0872
H41.03782.07082.07082.89842.8984
H52.45861.08722.33762.89843.2897
H62.45862.33761.08722.89843.2897

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 64.958 N1 C2 H5 138.346
N1 C3 C2 64.958 N1 C3 H6 138.346
C2 N1 C3 50.085 C2 N1 H4 105.391
C2 C3 H6 156.095 C3 N1 H4 105.391
C3 C2 H5 156.095
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability