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All results from a given calculation for CHNCH2 (2H-Azirine)

using model chemistry: MP3=FULL/TZVP

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/TZVP
 hartrees
Energy at 0K-132.400756
Energy at 298.15K-132.403856
HF Energy-131.879608
Nuclear repulsion energy63.970834
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/TZVP
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' 3306 3087 0.84      
2 A' 3175 2964 19.20      
3 A' 1791 1673 9.26      
4 A' 1562 1459 0.05      
5 A' 1355 1265 9.47      
6 A' 1101 1028 0.20      
7 A' 1044 975 50.39      
8 A' 721 673 11.92      
9 A" 3268 3052 20.19      
10 A" 1152 1075 2.36      
11 A" 1012 945 0.07      
12 A" 828 774 18.03      

Unscaled Zero Point Vibrational Energy (zpe) 10158.4 cm-1
Scaled (by 0.9337) Zero Point Vibrational Energy (zpe) 9484.9 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/TZVP
ABC
1.20302 0.74746 0.50824

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.864 -0.163 0.000
C2 0.000 0.740 0.000
C3 0.654 -0.534 0.000
H4 0.046 1.815 0.000
H5 1.036 -0.957 0.918
H6 1.036 -0.957 -0.918

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.24911.56282.17672.25482.2548
C21.24911.43201.07612.19022.1902
C31.56281.43202.42641.08071.0807
H42.17671.07612.42643.08373.0837
H52.25482.19021.08073.08371.8361
H62.25482.19021.08073.08371.8361

picture of 2H-Azirine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 70.936 N1 C2 H4 138.699
N1 C3 C2 49.064 N1 C3 H5 115.871
N1 C3 H6 115.871 C2 N1 C3 60.000
C2 C3 N1 49.064 C2 C3 H5 120.663
C2 C3 H6 120.663 C3 C2 H4 150.365
H5 C3 H6 116.310
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability