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

using model chemistry: MP2=FULL/aug-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 MP2=FULL/aug-cc-pVTZ
 hartrees
Energy at 0K-132.416483
Energy at 298.15K-132.419217
HF Energy-131.829628
Nuclear repulsion energy63.316457
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/aug-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' 3407 3241 5.55      
2 A' 3400 3235 2.60      
3 A' 1746 1661 8.95      
4 A' 1367 1301 11.97      
5 A' 1071 1019 3.63      
6 A' 900 856 30.41      
7 A' 554 527 74.36      
8 A" 3314 3153 21.45      
9 A" 1152 1096 38.10      
10 A" 982 934 17.49      
11 A" 757 721 4.20      
12 A" 551 524 1.71      

Unscaled Zero Point Vibrational Energy (zpe) 9600.2 cm-1
Scaled (by 0.9514) Zero Point Vibrational Energy (zpe) 9133.6 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/aug-cc-pVTZ
ABC
1.06077 0.81194 0.48218

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.036 0.897 0.000
C2 -0.036 -0.476 0.639
C3 -0.036 -0.476 -0.639
H4 0.930 1.223 0.000
H5 -0.125 -0.895 1.615
H6 -0.125 -0.895 -1.615

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.51431.51431.01962.41412.4141
C21.51431.27742.05621.06602.2938
C31.51431.27742.05622.29381.0660
H41.01962.05622.05622.86492.8649
H52.41411.06602.29382.86493.2295
H62.41412.29381.06602.86493.2295

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 65.054 N1 C2 H5 137.971
N1 C3 C2 65.054 N1 C3 H6 137.971
C2 N1 C3 49.892 C2 N1 H4 106.851
C2 C3 H6 156.291 C3 N1 H4 106.851
C3 C2 H5 156.291
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability