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

using model chemistry: MP4/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP4/6-311+G(3df,2p)
 hartrees
Energy at 0K-132.452207
Energy at 298.15K-132.455223
HF Energy-131.882453
Nuclear repulsion energy63.400975
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 MP4/6-311+G(3df,2p)
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' 3225 3044        
2 A' 3112 2937        
3 A' 1635 1543        
4 A' 1506 1421        
5 A' 1287 1215        
6 A' 1041 982        
7 A' 993 937        
8 A' 661 624        
9 A" 3211 3030        
10 A" 1109 1047        
11 A" 983 928        
12 A" 770 727        

Unscaled Zero Point Vibrational Energy (zpe) 9765.5 cm-1
Scaled (by 0.9438) Zero Point Vibrational Energy (zpe) 9216.7 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 MP4/6-311+G(3df,2p)
ABC
1.17279 0.73930 0.49966

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4/6-311+G(3df,2p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.869 -0.173 0.000
C2 0.000 0.750 0.000
C3 0.662 -0.534 0.000
H4 0.033 1.831 0.000
H5 1.039 -0.960 0.924
H6 1.039 -0.960 -0.924

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.26781.57322.19802.26132.2613
C21.26781.44491.08172.20382.2038
C31.57321.44492.44761.08461.0846
H42.19801.08172.44763.10733.1073
H52.26132.20381.08463.10731.8470
H62.26132.20381.08463.10731.8470

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 70.548 N1 C2 H4 138.492
N1 C3 C2 49.452 N1 C3 H5 115.371
N1 C3 H6 115.371 C2 N1 C3 60.000
C2 C3 N1 49.452 C2 C3 H5 120.546
C2 C3 H6 120.546 C3 C2 H4 150.961
H5 C3 H6 116.749
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability