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All results from a given calculation for CHNHCH (1H-Azirine)

using model chemistry: MP2=FULL/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2=FULL/STO-3G
 hartrees
Energy at 0K-130.303926
Energy at 298.15K-130.306713
HF Energy-130.104180
Nuclear repulsion energy61.278501
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 MP2=FULL/STO-3G
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' 3625 3222 11.59      
2 A' 3414 3035 61.80      
3 A' 1783 1585 0.81      
4 A' 1528 1358 11.70      
5 A' 1194 1062 1.12      
6 A' 961 854 0.16      
7 A' 622 553 28.66      
8 A" 3557 3162 56.41      
9 A" 1263 1123 16.21      
10 A" 1097 975 12.98      
11 A" 823 732 0.32      
12 A" 757 673 0.61      

Unscaled Zero Point Vibrational Energy (zpe) 10310.8 cm-1
Scaled (by 0.8889) Zero Point Vibrational Energy (zpe) 9165.3 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 MP2=FULL/STO-3G
ABC
1.00670 0.75087 0.45346

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.046 0.939 0.000
C2 -0.046 -0.487 0.656
C3 -0.046 -0.487 -0.656
H4 1.008 1.203 0.000
H5 -0.070 -0.964 1.639
H6 -0.070 -0.964 -1.639

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.56951.56951.08582.51172.5117
C21.56951.31132.09651.09352.3442
C31.56951.31132.09652.34421.0935
H41.08582.09652.09652.92302.9230
H52.51171.09352.34422.92303.2788
H62.51172.34421.09352.92303.2788

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 65.307 N1 C2 H5 140.533
N1 C3 C2 65.307 N1 C3 H6 140.533
C2 N1 C3 49.386 C2 N1 H4 102.764
C2 C3 H6 154.113 C3 N1 H4 102.764
C3 C2 H5 154.113
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability