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

using model chemistry: QCISD/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 QCISD/cc-pVTZ
 hartrees
Energy at 0K-132.369679
Energy at 298.15K-132.372455
HF Energy-131.826830
Nuclear repulsion energy63.225819
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/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' 3386 3235 2.35      
2 A' 3381 3230 15.19      
3 A' 1771 1692 7.43      
4 A' 1394 1332 15.23      
5 A' 1092 1043 4.32      
6 A' 907 867 25.49      
7 A' 564 539 73.14      
8 A" 3323 3175 15.24      
9 A" 1173 1121 38.65      
10 A" 1001 957 15.86      
11 A" 748 714 4.26      
12 A" 594 568 3.56      

Unscaled Zero Point Vibrational Energy (zpe) 9666.1 cm-1
Scaled (by 0.9555) Zero Point Vibrational Energy (zpe) 9236.0 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/cc-pVTZ
ABC
1.05887 0.80886 0.48080

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.037 0.899 0.000
C2 -0.037 -0.477 0.638
C3 -0.037 -0.477 -0.638
H4 0.932 1.223 0.000
H5 -0.118 -0.896 1.620
H6 -0.118 -0.896 -1.620

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.51691.51691.02132.41942.4194
C21.51691.27682.05821.07042.2983
C31.51691.27682.05822.29831.0704
H41.02132.05822.05822.86682.8668
H52.41941.07042.29832.86683.2398
H62.41942.29831.07042.86683.2398

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 65.112 N1 C2 H5 137.825
N1 C3 C2 65.112 N1 C3 H6 137.825
C2 N1 C3 49.776 C2 N1 H4 106.731
C2 C3 H6 156.487 C3 N1 H4 106.731
C3 C2 H5 156.487
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability