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

using model chemistry: MP3=FULL/3-21G*

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/3-21G*
 hartrees
Energy at 0K-131.327334
Energy at 298.15K-131.330023
HF Energy-131.014119
Nuclear repulsion energy61.077169
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/3-21G*
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' 3396 3396 3.21      
2 A' 3182 3182 44.73      
3 A' 1735 1735 4.00      
4 A' 1401 1401 19.03      
5 A' 1050 1050 2.41      
6 A' 813 813 5.99      
7 A' 590 590 96.30      
8 A" 3335 3335 6.70      
9 A" 1155 1155 33.00      
10 A" 1031 1031 20.69      
11 A" 734 734 4.16      
12 A" 515 515 2.15      

Unscaled Zero Point Vibrational Energy (zpe) 9466.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9466.7 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 MP3=FULL/3-21G*
ABC
1.04408 0.71092 0.44336

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.038 0.966 0.000
C2 -0.038 -0.508 0.645
C3 -0.038 -0.508 -0.645
H4 0.965 1.253 0.000
H5 -0.125 -0.964 1.611
H6 -0.125 -0.964 -1.611

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.60901.60901.04242.51532.5153
C21.60901.29092.12621.07122.3035
C31.60901.29092.12622.30351.0712
H41.04242.12622.12622.94882.9488
H52.51531.07122.30352.94883.2215
H62.51532.30351.07122.94883.2215

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 66.350 N1 C2 H5 138.721
N1 C3 C2 66.350 N1 C3 H6 138.721
C2 N1 C3 47.299 C2 N1 H4 104.591
C2 C3 H6 154.306 C3 N1 H4 104.591
C3 C2 H5 154.306
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability