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

using model chemistry: CCSD(T)=FULL/cc-pVDZ

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)=FULL/cc-pVDZ
 hartrees
Energy at 0K-132.327632
Energy at 298.15K-132.330637
HF Energy-131.845412
Nuclear repulsion energy62.889884
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)=FULL/cc-pVDZ
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' 3234 3115        
2 A' 3124 3009        
3 A' 1679 1617        
4 A' 1497 1442        
5 A' 1307 1259        
6 A' 1029 991        
7 A' 985 949        
8 A' 659 635        
9 A" 3222 3104        
10 A" 1096 1056        
11 A" 968 933        
12 A" 760 732        

Unscaled Zero Point Vibrational Energy (zpe) 9780.2 cm-1
Scaled (by 0.9632) Zero Point Vibrational Energy (zpe) 9420.3 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)=FULL/cc-pVDZ
ABC
1.15421 0.72748 0.49192

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)=FULL/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.876 -0.173 0.000
C2 0.000 0.755 0.000
C3 0.665 -0.539 0.000
H4 0.040 1.849 0.000
H5 1.052 -0.969 0.933
H6 1.052 -0.969 -0.933

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.27651.58412.22012.28552.2855
C21.27651.45491.09472.22492.2249
C31.58411.45492.46851.09791.0979
H42.22011.09472.46853.13643.1364
H52.28552.22491.09793.13641.8659
H62.28552.22491.09793.13641.8659

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 70.550 N1 C2 H4 138.738
N1 C3 C2 49.450 N1 C3 H5 115.706
N1 C3 H6 115.706 C2 N1 C3 60.000
C2 C3 N1 49.450 C2 C3 H5 120.639
C2 C3 H6 120.639 C3 C2 H4 150.712
H5 C3 H6 116.373
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability