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

using model chemistry: MP3/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP3/6-31G*
 hartrees
Energy at 0K-132.209481
Energy at 298.15K-132.212239
HF Energy-131.773430
Nuclear repulsion energy63.107878
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 MP3/6-31G*
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' 3424 3214 1.82      
2 A' 3367 3160 30.48      
3 A' 1824 1712 4.17      
4 A' 1426 1338 16.98      
5 A' 1130 1061 2.55      
6 A' 926 869 20.83      
7 A' 546 513 79.12      
8 A" 3365 3158 9.05      
9 A" 1204 1130 40.75      
10 A" 1003 942 15.96      
11 A" 716 672 5.23      
12 A" 618 580 3.77      

Unscaled Zero Point Vibrational Energy (zpe) 9774.4 cm-1
Scaled (by 0.9386) Zero Point Vibrational Energy (zpe) 9174.3 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 MP3/6-31G*
ABC
1.05384 0.80748 0.47952

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.035 0.898 0.000
C2 -0.035 -0.477 0.640
C3 -0.035 -0.477 -0.640
H4 0.937 1.234 0.000
H5 -0.137 -0.898 1.624
H6 -0.137 -0.898 -1.624

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.51701.51701.02862.42402.4240
C21.51701.27952.06931.07542.3047
C31.51701.27952.06932.30471.0754
H41.02862.06932.06932.88762.8876
H52.42401.07542.30472.88763.2476
H62.42402.30471.07542.88763.2476

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 65.056 N1 C2 H5 137.829
N1 C3 C2 65.056 N1 C3 H6 137.829
C2 N1 C3 49.888 C2 N1 H4 107.198
C2 C3 H6 156.221 C3 N1 H4 107.198
C3 C2 H5 156.221
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability