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

using model chemistry: MP3/Def2TZVPP

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/Def2TZVPP
 hartrees
Energy at 0K-132.424368
Energy at 298.15K-132.427451
HF Energy-131.890527
Nuclear repulsion energy63.959108
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/Def2TZVPP
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' 3280 3280 0.43      
2 A' 3166 3166 18.25      
3 A' 1778 1778 9.22      
4 A' 1545 1545 0.13      
5 A' 1344 1344 9.04      
6 A' 1080 1080 0.13      
7 A' 1028 1028 50.57      
8 A' 719 719 12.24      
9 A" 3259 3259 15.70      
10 A" 1138 1138 2.03      
11 A" 1009 1009 0.25      
12 A" 815 815 18.08      

Unscaled Zero Point Vibrational Energy (zpe) 10081.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 10081.0 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/Def2TZVPP
ABC
1.20179 0.74761 0.50808

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3/Def2TZVPP

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 0.655 -0.534 0.000
H4 0.044 1.816 0.000
H5 1.036 -0.955 0.918
H6 1.036 -0.955 -0.918

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.25001.56302.17782.25382.2538
C21.25001.43231.07682.18882.1888
C31.56301.43232.42791.07971.0797
H42.17781.07682.42793.08333.0833
H52.25382.18881.07973.08331.8358
H62.25382.18881.07973.08331.8358

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 70.908 N1 C2 H4 138.645
N1 C3 C2 49.092 N1 C3 H5 115.840
N1 C3 H6 115.840 C2 N1 C3 60.000
C2 C3 N1 49.092 C2 C3 H5 120.577
C2 C3 H6 120.577 C3 C2 H4 150.447
H5 C3 H6 116.454
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability