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

using model chemistry: QCISD/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 QCISD/aug-cc-pVTZ
 hartrees
Energy at 0K-132.433565
Energy at 298.15K-132.436630
HF Energy-131.887004
Nuclear repulsion energy63.776537
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 QCISD/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' 3247 3125 0.35      
2 A' 3136 3018 19.10      
3 A' 1722 1657 10.16      
4 A' 1530 1473 0.29      
5 A' 1326 1276 8.16      
6 A' 1069 1029 0.13      
7 A' 1017 978 49.68      
8 A' 698 672 12.39      
9 A" 3226 3104 14.76      
10 A" 1120 1078 1.90      
11 A" 998 960 0.40      
12 A" 801 771 17.15      

Unscaled Zero Point Vibrational Energy (zpe) 9944.3 cm-1
Scaled (by 0.9624) Zero Point Vibrational Energy (zpe) 9570.4 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 QCISD/aug-cc-pVTZ
ABC
1.19047 0.74595 0.50556

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.865 -0.168 0.000
C2 0.000 0.744 0.000
C3 0.657 -0.533 0.000
H4 0.041 1.822 0.000
H5 1.037 -0.956 0.920
H6 1.037 -0.956 -0.920

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.25661.56492.18612.25542.2554
C21.25661.43581.07892.19372.1937
C31.56491.43582.43431.08211.0821
H42.18611.07892.43433.09163.0916
H52.25542.19371.08213.09161.8407
H62.25542.19371.08213.09161.8407

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 70.716 N1 C2 H4 138.652
N1 C3 C2 49.284 N1 C3 H5 115.673
N1 C3 H6 115.673 C2 N1 C3 60.000
C2 C3 N1 49.284 C2 C3 H5 120.564
C2 C3 H6 120.564 C3 C2 H4 150.632
H5 C3 H6 116.549
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability