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

using model chemistry: QCISD/cc-pVDZ

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-pVDZ
 hartrees
Energy at 0K-132.244065
Energy at 298.15K-132.246780
HF Energy-131.785284
Nuclear repulsion energy62.513452
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-pVDZ
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' 3372 3235 1.62      
2 A' 3322 3187 31.05      
3 A' 1757 1686 5.45      
4 A' 1389 1332 12.41      
5 A' 1090 1046 2.28      
6 A' 888 852 18.64      
7 A' 539 517 64.99      
8 A" 3315 3180 12.59      
9 A" 1172 1124 35.23      
10 A" 970 931 14.07      
11 A" 710 681 2.91      
12 A" 574 551 4.15      

Unscaled Zero Point Vibrational Energy (zpe) 9547.9 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 9160.3 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-pVDZ
ABC
1.02786 0.79650 0.47094

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.038 0.907 0.000
C2 -0.038 -0.479 0.648
C3 -0.038 -0.479 -0.648
H4 0.950 1.219 0.000
H5 -0.118 -0.909 1.642
H6 -0.118 -0.909 -1.642

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.53011.53011.03592.45012.4501
C21.53011.29622.06891.08632.3317
C31.53011.29622.06892.33171.0863
H41.03592.06892.06892.89312.8931
H52.45011.08632.33172.89313.2843
H62.45012.33171.08632.89313.2843

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 64.941 N1 C2 H5 138.291
N1 C3 C2 64.941 N1 C3 H6 138.291
C2 N1 C3 50.118 C2 N1 H4 105.854
C2 C3 H6 156.227 C3 N1 H4 105.854
C3 C2 H5 156.227
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability