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

using model chemistry: MP2/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/STO-3G
 hartrees
Energy at 0K-130.302890
Energy at 298.15K-130.305678
HF Energy-130.104119
Nuclear repulsion energy61.270596
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/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 3160 11.59      
2 A' 3414 2976 61.77      
3 A' 1782 1554 0.82      
4 A' 1528 1332 11.70      
5 A' 1194 1041 1.12      
6 A' 960 837 0.16      
7 A' 622 542 28.70      
8 A" 3556 3101 56.41      
9 A" 1263 1101 16.22      
10 A" 1097 956 13.00      
11 A" 823 717 0.32      
12 A" 757 660 0.61      

Unscaled Zero Point Vibrational Energy (zpe) 10309.1 cm-1
Scaled (by 0.8719) Zero Point Vibrational Energy (zpe) 8988.5 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/STO-3G
ABC
1.00650 0.75062 0.45333

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/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 1.640
H6 -0.070 -0.964 -1.640

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.56981.56981.08592.51202.5120
C21.56981.31152.09671.09352.3444
C31.56981.31152.09672.34441.0935
H41.08592.09672.09672.92332.9233
H52.51201.09352.34442.92333.2790
H62.51202.34441.09352.92333.2790

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 65.309 N1 C2 H5 140.533
N1 C3 C2 65.309 N1 C3 H6 140.533
C2 N1 C3 49.383 C2 N1 H4 102.759
C2 C3 H6 154.111 C3 N1 H4 102.759
C3 C2 H5 154.111
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability