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

using model chemistry: MP2/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/aug-cc-pVTZ
 hartrees
Energy at 0K-132.365293
Energy at 298.15K-132.368010
HF Energy-131.828641
Nuclear repulsion energy63.023908
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/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' 3386 3227 6.02      
2 A' 3384 3225 2.32      
3 A' 1731 1650 9.16      
4 A' 1367 1302 11.57      
5 A' 1060 1010 3.39      
6 A' 888 846 29.68      
7 A' 548 522 74.14      
8 A" 3321 3164 21.07      
9 A" 1141 1087 37.60      
10 A" 976 930 17.11      
11 A" 743 708 4.41      
12 A" 551 525 1.63      

Unscaled Zero Point Vibrational Energy (zpe) 9547.2 cm-1
Scaled (by 0.9529) Zero Point Vibrational Energy (zpe) 9097.5 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/aug-cc-pVTZ
ABC
1.05226 0.80319 0.47761

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/aug-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 -0.479 0.641
C3 -0.036 -0.479 -0.641
H4 0.935 1.224 0.000
H5 -0.127 -0.897 1.623
H6 -0.127 -0.897 -1.623

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.52301.52301.02302.42462.4246
C21.52301.28162.06261.07092.3036
C31.52301.28162.06262.30361.0709
H41.02302.06262.06262.87382.8738
H52.42461.07092.30362.87383.2456
H62.42462.30361.07092.87383.2456

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 65.117 N1 C2 H5 137.690
N1 C3 C2 65.117 N1 C3 H6 137.690
C2 N1 C3 49.767 C2 N1 H4 106.564
C2 C3 H6 156.481 C3 N1 H4 106.564
C3 C2 H5 156.481
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability