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

using model chemistry: CCD/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 CCD/cc-pVTZ
 hartrees
Energy at 0K-132.364615
Energy at 298.15K-132.367426
HF Energy-131.827226
Nuclear repulsion energy63.351593
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/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' 3401 3176 13.64      
2 A' 3393 3168 1.80      
3 A' 1789 1670 7.09      
4 A' 1399 1306 15.68      
5 A' 1107 1034 5.13      
6 A' 917 857 25.44      
7 A' 570 532 74.08      
8 A" 3329 3109 14.93      
9 A" 1181 1103 38.00      
10 A" 1010 943 16.38      
11 A" 767 716 4.39      
12 A" 624 583 2.64      

Unscaled Zero Point Vibrational Energy (zpe) 9743.7 cm-1
Scaled (by 0.9337) Zero Point Vibrational Energy (zpe) 9097.7 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/cc-pVTZ
ABC
1.06252 0.81280 0.48283

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.036 0.896 0.000
C2 -0.036 -0.476 0.637
C3 -0.036 -0.476 -0.637
H4 0.930 1.224 0.000
H5 -0.120 -0.896 1.618
H6 -0.120 -0.896 -1.618

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.51281.51281.02012.41572.4157
C21.51281.27442.05601.07012.2953
C31.51281.27442.05602.29531.0701
H41.02012.05602.05602.86562.8656
H52.41571.07012.29532.86563.2357
H62.41572.29531.07012.86563.2357

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 65.090 N1 C2 H5 137.891
N1 C3 C2 65.090 N1 C3 H6 137.891
C2 N1 C3 49.819 C2 N1 H4 106.916
C2 C3 H6 156.413 C3 N1 H4 106.916
C3 C2 H5 156.413
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability