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

using model chemistry: CCSD(T)/6-311G*

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(T)/6-311G*
 hartrees
Energy at 0K-132.342043
Energy at 298.15K-132.345055
HF Energy-131.860868
Nuclear repulsion energy63.209053
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(T)/6-311G*
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' 3209 3089        
2 A' 3102 2986        
3 A' 1680 1618        
4 A' 1519 1462        
5 A' 1304 1255        
6 A' 1039 1000        
7 A' 996 959        
8 A' 666 641        
9 A" 3196 3077        
10 A" 1113 1072        
11 A" 980 943        
12 A" 761 732        

Unscaled Zero Point Vibrational Energy (zpe) 9782.6 cm-1
Scaled (by 0.9626) Zero Point Vibrational Energy (zpe) 9416.7 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(T)/6-311G*
ABC
1.17050 0.73222 0.49631

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.872 -0.170 0.000
C2 0.000 0.751 0.000
C3 0.664 -0.537 0.000
H4 0.034 1.837 0.000
H5 1.043 -0.967 0.926
H6 1.043 -0.967 -0.926

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.26841.58012.20182.27262.2726
C21.26841.44961.08652.21362.2136
C31.58011.44962.45671.08931.0893
H42.20181.08652.45673.12143.1214
H52.27262.21361.08933.12141.8524
H62.27262.21361.08933.12141.8524

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 70.731 N1 C2 H4 138.323
N1 C3 C2 49.269 N1 C3 H5 115.490
N1 C3 H6 115.490 C2 N1 C3 60.000
C2 C3 N1 49.269 C2 C3 H5 120.694
C2 C3 H6 120.694 C3 C2 H4 150.946
H5 C3 H6 116.482
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability