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

using model chemistry: MP2/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/cc-pVTZ
 hartrees
Energy at 0K-132.353786
Energy at 298.15K-132.356506
HF Energy-131.826003
Nuclear repulsion energy63.042421
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/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' 3392 3220 2.01      
2 A' 3384 3214 10.22      
3 A' 1736 1648 6.62      
4 A' 1380 1310 13.85      
5 A' 1069 1015 1.75      
6 A' 892 847 26.72      
7 A' 543 515 72.62      
8 A" 3331 3163 17.99      
9 A" 1150 1092 37.75      
10 A" 982 932 16.44      
11 A" 740 702 4.25      
12 A" 555 527 2.30      

Unscaled Zero Point Vibrational Energy (zpe) 9575.8 cm-1
Scaled (by 0.9495) Zero Point Vibrational Energy (zpe) 9092.2 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/cc-pVTZ
ABC
1.05268 0.80360 0.47802

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.036 0.903 0.000
C2 -0.036 -0.478 0.641
C3 -0.036 -0.478 -0.641
H4 0.938 1.214 0.000
H5 -0.127 -0.897 1.622
H6 -0.127 -0.897 -1.622

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.52301.52301.02272.42492.4249
C21.52301.28132.05561.07062.3025
C31.52301.28132.05562.30251.0706
H41.02272.05562.05562.86782.8678
H52.42491.07062.30252.86783.2432
H62.42492.30251.07062.86783.2432

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 65.124 N1 C2 H5 137.773
N1 C3 C2 65.124 N1 C3 H6 137.773
C2 N1 C3 49.752 C2 N1 H4 106.031
C2 C3 H6 156.392 C3 N1 H4 106.031
C3 C2 H5 156.392
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability