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

using model chemistry: CCD/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CCD/TZVP
 hartrees
Energy at 0K-132.349660
Energy at 298.15K-132.352750
HF Energy-131.879212
Nuclear repulsion energy63.857244
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 CCD/TZVP
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' 3288 3117 0.94      
2 A' 3158 2993 19.72      
3 A' 1760 1668 8.73      
4 A' 1557 1476 0.04      
5 A' 1347 1277 8.77      
6 A' 1095 1038 0.32      
7 A' 1041 987 47.98      
8 A' 711 674 11.73      
9 A" 3250 3081 20.64      
10 A" 1148 1088 2.43      
11 A" 1008 956 0.13      
12 A" 821 779 17.58      

Unscaled Zero Point Vibrational Energy (zpe) 10091.4 cm-1
Scaled (by 0.948) Zero Point Vibrational Energy (zpe) 9566.7 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 CCD/TZVP
ABC
1.19621 0.74633 0.50669

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.864 -0.165 0.000
C2 0.000 0.742 0.000
C3 0.656 -0.533 0.000
H4 0.044 1.819 0.000
H5 1.037 -0.959 0.920
H6 1.037 -0.959 -0.920

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.25291.56392.18232.25632.2563
C21.25291.43391.07812.19412.1941
C31.56391.43392.43061.08281.0828
H42.18231.07812.43063.09023.0902
H52.25632.19411.08283.09021.8394
H62.25632.19411.08283.09021.8394

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 70.827 N1 C2 H4 138.727
N1 C3 C2 49.173 N1 C3 H5 115.770
N1 C3 H6 115.770 C2 N1 C3 60.000
C2 C3 N1 49.173 C2 C3 H5 120.707
C2 C3 H6 120.707 C3 C2 H4 150.445
H5 C3 H6 116.289
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability