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

using model chemistry: MP3/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP3/6-311+G(3df,2p)
 hartrees
Energy at 0K-132.418309
Energy at 298.15K-132.421397
HF Energy-131.884962
Nuclear repulsion energy63.980498
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 MP3/6-311+G(3df,2p)
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' 3274 3274 0.31      
2 A' 3154 3154 18.65      
3 A' 1777 1777 9.78      
4 A' 1541 1541 0.29      
5 A' 1349 1349 8.38      
6 A' 1082 1082 0.12      
7 A' 1028 1028 49.46      
8 A' 726 726 12.90      
9 A" 3247 3247 15.27      
10 A" 1133 1133 1.97      
11 A" 1009 1009 0.32      
12 A" 810 810 17.78      

Unscaled Zero Point Vibrational Energy (zpe) 10065.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 10065.1 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 MP3/6-311+G(3df,2p)
ABC
1.20127 0.74907 0.50871

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3/6-311+G(3df,2p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.863 -0.165 0.000
C2 0.000 0.740 0.000
C3 0.654 -0.532 0.000
H4 0.042 1.817 0.000
H5 1.037 -0.956 0.918
H6 1.037 -0.956 -0.918

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.25011.56052.17872.25332.2533
C21.25011.43081.07802.18962.1896
C31.56051.43082.42811.08131.0813
H42.17871.07802.42813.08593.0859
H52.25332.18961.08133.08591.8368
H62.25332.18961.08133.08591.8368

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 70.829 N1 C2 H4 138.602
N1 C3 C2 49.171 N1 C3 H5 115.880
N1 C3 H6 115.880 C2 N1 C3 60.000
C2 C3 N1 49.171 C2 C3 H5 120.664
C2 C3 H6 120.664 C3 C2 H4 150.569
H5 C3 H6 116.276
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability