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All results from a given calculation for CHNCH2 (2H-Azirine)

using model chemistry: QCISD/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 QCISD/Def2TZVPP
 hartrees
Energy at 0K-132.428524
Energy at 298.15K-132.431587
HF Energy-131.889943
Nuclear repulsion energy63.811717
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/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' 3257 3257 0.51      
2 A' 3143 3143 18.91      
3 A' 1727 1727 9.90      
4 A' 1537 1537 0.18      
5 A' 1328 1328 8.73      
6 A' 1071 1071 0.43      
7 A' 1020 1020 50.54      
8 A' 699 699 12.14      
9 A" 3235 3235 15.96      
10 A" 1130 1130 1.91      
11 A" 1001 1001 0.31      
12 A" 803 803 17.36      

Unscaled Zero Point Vibrational Energy (zpe) 9974.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9974.6 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/Def2TZVPP
ABC
1.19234 0.74645 0.50604

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.865 -0.167 0.000
C2 0.000 0.743 0.000
C3 0.656 -0.533 0.000
H4 0.041 1.821 0.000
H5 1.037 -0.956 0.920
H6 1.037 -0.956 -0.920

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.25561.56442.18452.25472.2547
C21.25561.43521.07832.19252.1925
C31.56441.43522.43301.08131.0813
H42.18451.07832.43303.08983.0898
H52.25472.19251.08133.08981.8393
H62.25472.19251.08133.08981.8393

picture of 2H-Azirine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 70.738 N1 C2 H4 138.643
N1 C3 C2 49.262 N1 C3 H5 115.698
N1 C3 H6 115.698 C2 N1 C3 60.000
C2 C3 N1 49.262 C2 C3 H5 120.566
C2 C3 H6 120.566 C3 C2 H4 150.619
H5 C3 H6 116.533
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability