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

using model chemistry: CCSD(T)/Def2TZVPP

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(T)/Def2TZVPP
 hartrees
Energy at 0K-132.399592
Energy at 298.15K-132.402291
HF Energy-131.830660
Nuclear repulsion energy62.931078
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(T)/Def2TZVPP
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' 3361 3361        
2 A' 3351 3351        
3 A' 1731 1731        
4 A' 1371 1371        
5 A' 1065 1065        
6 A' 881 881        
7 A' 539 539        
8 A" 3304 3304        
9 A" 1151 1151        
10 A" 966 966        
11 A" 719 719        
12 A" 561 561        

Unscaled Zero Point Vibrational Energy (zpe) 9499.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9499.7 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 CCSD(T)/Def2TZVPP
ABC
1.04982 0.80021 0.47615

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.036 0.905 0.000
C2 -0.036 -0.480 0.642
C3 -0.036 -0.480 -0.642
H4 0.937 1.222 0.000
H5 -0.124 -0.901 1.624
H6 -0.124 -0.901 -1.624

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.52571.52571.02362.42992.4299
C21.52571.28342.06281.07242.3061
C31.52571.28342.06282.30611.0724
H41.02362.06282.06282.87592.8759
H52.42991.07242.30612.87593.2479
H62.42992.30611.07242.87593.2479

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 65.129 N1 C2 H5 137.864
N1 C3 C2 65.129 N1 C3 H6 137.864
C2 N1 C3 49.743 C2 N1 H4 106.357
C2 C3 H6 156.345 C3 N1 H4 106.357
C3 C2 H5 156.345
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability