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

using model chemistry: CCSD=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 CCSD=FULL/cc-pVTZ
 hartrees
Energy at 0K-132.413331
Energy at 298.15K-132.416128
HF Energy-131.827659
Nuclear repulsion energy63.520593
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 CCSD=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' 3408 3231 2.05      
2 A' 3399 3223 14.69      
3 A' 1791 1698 7.38      
4 A' 1399 1327 15.80      
5 A' 1106 1049 4.88      
6 A' 921 873 25.97      
7 A' 571 541 73.58      
8 A" 3333 3160 15.60      
9 A" 1182 1120 38.48      
10 A" 1010 958 16.56      
11 A" 751 712 3.91      
12 A" 606 574 3.92      

Unscaled Zero Point Vibrational Energy (zpe) 9738.0 cm-1
Scaled (by 0.9481) Zero Point Vibrational Energy (zpe) 9232.6 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 CCSD=FULL/cc-pVTZ
ABC
1.06747 0.81766 0.48545

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.037 0.894 0.000
C2 -0.037 -0.475 0.636
C3 -0.037 -0.475 -0.636
H4 0.928 1.222 0.000
H5 -0.117 -0.891 1.613
H6 -0.117 -0.891 -1.613

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.50871.50871.01852.40722.4072
C21.50871.27192.05201.06542.2887
C31.50871.27192.05202.28871.0654
H41.01852.05202.05202.85612.8561
H52.40721.06542.28872.85613.2262
H62.40722.28871.06542.85613.2262

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 65.070 N1 C2 H5 137.851
N1 C3 C2 65.070 N1 C3 H6 137.851
C2 N1 C3 49.861 C2 N1 H4 106.978
C2 C3 H6 156.519 C3 N1 H4 106.978
C3 C2 H5 156.519
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability