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

using model chemistry: MP2=FULL/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 MP2=FULL/6-31G*
 hartrees
Energy at 0K-132.206582
Energy at 298.15K-132.209271
HF Energy-131.772731
Nuclear repulsion energy62.959621
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 MP2=FULL/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' 3416 3219 1.64      
2 A' 3347 3154 26.17      
3 A' 1774 1671 4.01      
4 A' 1416 1334 15.54      
5 A' 1105 1041 0.93      
6 A' 912 859 22.05      
7 A' 533 502 76.09      
8 A" 3358 3164 10.44      
9 A" 1183 1114 40.03      
10 A" 990 933 15.38      
11 A" 704 664 6.67      
12 A" 552 520 2.31      

Unscaled Zero Point Vibrational Energy (zpe) 9644.2 cm-1
Scaled (by 0.9422) Zero Point Vibrational Energy (zpe) 9086.8 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 MP2=FULL/6-31G*
ABC
1.04732 0.80451 0.47742

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.034 0.901 0.000
C2 -0.034 -0.478 0.642
C3 -0.034 -0.478 -0.642
H4 0.943 1.229 0.000
H5 -0.145 -0.897 1.627
H6 -0.145 -0.897 -1.627

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.52091.52091.03062.42702.4270
C21.52091.28402.06891.07592.3098
C31.52091.28402.06892.30981.0759
H41.03062.06892.06892.88952.8895
H52.42701.07592.30982.88953.2535
H62.42702.30981.07592.88953.2535

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 65.032 N1 C2 H5 137.673
N1 C3 C2 65.032 N1 C3 H6 137.673
C2 N1 C3 49.935 C2 N1 H4 106.775
C2 C3 H6 156.249 C3 N1 H4 106.775
C3 C2 H5 156.249
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability