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

using model chemistry: CCSD/6-311G*

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/6-311G*
 hartrees
Energy at 0K-132.260909
Energy at 298.15K-132.263626
HF Energy-131.800013
Nuclear repulsion energy62.985381
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/6-311G*
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 3205 1.48      
2 A' 3356 3199 29.46      
3 A' 1760 1678 5.57      
4 A' 1407 1342 16.86      
5 A' 1103 1052 2.27      
6 A' 904 862 25.75      
7 A' 540 515 87.05      
8 A" 3301 3148 8.40      
9 A" 1193 1138 42.04      
10 A" 971 926 14.00      
11 A" 699 666 5.15      
12 A" 580 553 6.77      

Unscaled Zero Point Vibrational Energy (zpe) 9587.5 cm-1
Scaled (by 0.9535) Zero Point Vibrational Energy (zpe) 9141.7 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/6-311G*
ABC
1.04776 0.80538 0.47744

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.034 0.900 0.000
C2 -0.034 -0.478 0.642
C3 -0.034 -0.478 -0.642
H4 0.935 1.233 0.000
H5 -0.145 -0.897 1.628
H6 -0.145 -0.897 -1.628

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.52021.52021.02492.42722.4272
C21.52021.28412.06881.07672.3107
C31.52021.28412.06882.31071.0767
H41.02492.06882.06882.89052.8905
H52.42721.07672.31072.89053.2551
H62.42722.31071.07672.89053.2551

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 65.017 N1 C2 H5 137.686
N1 C3 C2 65.017 N1 C3 H6 137.686
C2 N1 C3 49.965 C2 N1 H4 107.137
C2 C3 H6 156.244 C3 N1 H4 107.137
C3 C2 H5 156.244
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability