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

using model chemistry: QCISD/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 QCISD/6-311G*
 hartrees
Energy at 0K-132.262030
Energy at 298.15K-132.264736
HF Energy-131.799865
Nuclear repulsion energy62.944241
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/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' 3359 3216 1.20      
2 A' 3350 3208 30.67      
3 A' 1754 1680 5.53      
4 A' 1406 1346 16.69      
5 A' 1098 1051 2.15      
6 A' 901 863 25.86      
7 A' 538 515 86.53      
8 A" 3299 3159 8.47      
9 A" 1191 1140 41.98      
10 A" 969 928 14.03      
11 A" 694 665 5.33      
12 A" 570 546 6.63      

Unscaled Zero Point Vibrational Energy (zpe) 9564.8 cm-1
Scaled (by 0.9574) Zero Point Vibrational Energy (zpe) 9157.4 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/6-311G*
ABC
1.04663 0.80405 0.47677

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.034 0.901 0.000
C2 -0.034 -0.479 0.642
C3 -0.034 -0.479 -0.642
H4 0.936 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
N11.52161.52161.02522.42832.4283
C21.52161.28482.06961.07692.3117
C31.52161.28482.06962.31171.0769
H41.02522.06962.06962.89112.8911
H52.42831.07692.31172.89113.2567
H62.42832.31171.07692.89113.2567

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 65.027 N1 C2 H5 137.639
N1 C3 C2 65.027 N1 C3 H6 137.639
C2 N1 C3 49.946 C2 N1 H4 107.086
C2 C3 H6 156.280 C3 N1 H4 107.086
C3 C2 H5 156.280
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability