return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: MP3=FULL/aug-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 MP3=FULL/aug-cc-pVDZ
 hartrees
Energy at 0K-132.271433
Energy at 298.15K-132.274164
HF Energy-131.795863
Nuclear repulsion energy62.645990
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 MP3=FULL/aug-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' 3402 3402 3.01      
2 A' 3396 3396 10.86      
3 A' 1778 1778 10.01      
4 A' 1370 1370 12.70      
5 A' 1085 1085 5.77      
6 A' 895 895 24.12      
7 A' 536 536 78.30      
8 A" 3343 3343 15.04      
9 A" 1165 1165 37.63      
10 A" 977 977 17.48      
11 A" 708 708 3.89      
12 A" 594 594 2.90      

Unscaled Zero Point Vibrational Energy (zpe) 9624.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9624.2 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 MP3=FULL/aug-cc-pVDZ
ABC
1.03627 0.79665 0.47209

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.036 0.906 0.000
C2 -0.036 -0.480 0.646
C3 -0.036 -0.480 -0.646
H4 0.938 1.236 0.000
H5 -0.129 -0.908 1.635
H6 -0.129 -0.908 -1.635

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.52881.52881.02782.44352.4435
C21.52881.29232.07551.08152.3228
C31.52881.29232.07552.32281.0815
H41.02782.07552.07552.89932.8993
H52.44351.08152.32282.89933.2698
H62.44352.32281.08152.89933.2698

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 64.997 N1 C2 H5 138.174
N1 C3 C2 64.997 N1 C3 H6 138.174
C2 N1 C3 50.006 C2 N1 H4 106.919
C2 C3 H6 156.097 C3 N1 H4 106.919
C3 C2 H5 156.097
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability