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

using model chemistry: CCSD=FULL/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CCSD=FULL/TZVP
 hartrees
Energy at 0K-132.407443
Energy at 298.15K-132.410522
HF Energy-131.879031
Nuclear repulsion energy63.811985
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 CCSD=FULL/TZVP
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' 3281 3109 0.88      
2 A' 3152 2987 19.49      
3 A' 1743 1651 9.66      
4 A' 1552 1471 0.05      
5 A' 1339 1268 9.06      
6 A' 1088 1031 0.39      
7 A' 1034 980 50.07      
8 A' 700 663 11.51      
9 A" 3245 3075 19.88      
10 A" 1143 1083 2.25      
11 A" 1004 951 0.14      
12 A" 816 773 17.30      

Unscaled Zero Point Vibrational Energy (zpe) 10048.2 cm-1
Scaled (by 0.9475) Zero Point Vibrational Energy (zpe) 9520.6 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 CCSD=FULL/TZVP
ABC
1.19401 0.74550 0.50593

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD=FULL/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.865 -0.166 0.000
C2 0.000 0.743 0.000
C3 0.656 -0.534 0.000
H4 0.043 1.820 0.000
H5 1.037 -0.958 0.920
H6 1.037 -0.958 -0.920

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.25451.56522.18312.25652.2565
C21.25451.43531.07782.19432.1943
C31.56521.43532.43211.08221.0822
H42.18311.07782.43213.09063.0906
H52.25652.19431.08223.09061.8397
H62.25652.19431.08223.09061.8397

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 70.806 N1 C2 H4 138.669
N1 C3 C2 49.194 N1 C3 H5 115.732
N1 C3 H6 115.732 C2 N1 C3 60.000
C2 C3 N1 49.194 C2 C3 H5 120.642
C2 C3 H6 120.642 C3 C2 H4 150.526
H5 C3 H6 116.411
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability