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All results from a given calculation for CHNHCH (1H-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-132.268265
Energy at 298.15K-132.270905
HF Energy-131.784116
Nuclear repulsion energy62.292987
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' 3354 3231        
2 A' 3292 3171        
3 A' 1720 1657        
4 A' 1376 1325        
5 A' 1071 1032        
6 A' 867 835        
7 A' 508 489        
8 A" 3299 3177        
9 A" 1158 1115        
10 A" 951 916        
11 A" 676 651        
12 A" 540 520        

Unscaled Zero Point Vibrational Energy (zpe) 9404.8 cm-1
Scaled (by 0.9632) Zero Point Vibrational Energy (zpe) 9058.7 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)=FULL/cc-pVDZ
ABC
1.02112 0.79003 0.46752

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 -0.037 0.912 0.000
C2 -0.037 -0.481 0.651
C3 -0.037 -0.481 -0.651
H4 0.955 1.216 0.000
H5 -0.123 -0.913 1.645
H6 -0.123 -0.913 -1.645

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.53701.53701.03772.45802.4580
C21.53701.30152.07051.08722.3372
C31.53701.30152.07052.33721.0872
H41.03772.07052.07052.89812.8981
H52.45801.08722.33722.89813.2891
H62.45802.33721.08722.89813.2891

picture of 1H-Azirine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 64.952 N1 C2 H5 138.362
N1 C3 C2 64.952 N1 C3 H6 138.362
C2 N1 C3 50.097 C2 N1 H4 105.414
C2 C3 H6 156.082 C3 N1 H4 105.414
C3 C2 H5 156.082
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability