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

using model chemistry: CCD/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 CCD/6-311+G(3df,2p)
 hartrees
Energy at 0K-132.417445
Energy at 298.15K-132.420529
HF Energy-131.884795
Nuclear repulsion energy63.950171
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 CCD/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' 3259 3073 0.32      
2 A' 3138 2960 19.03      
3 A' 1753 1653 9.33      
4 A' 1539 1452 0.32      
5 A' 1346 1270 7.80      
6 A' 1081 1020 0.16      
7 A' 1029 971 48.33      
8 A' 723 681 13.04      
9 A" 3231 3048 15.42      
10 A" 1133 1069 2.06      
11 A" 1008 950 0.40      
12 A" 808 762 17.28      

Unscaled Zero Point Vibrational Energy (zpe) 10024.1 cm-1
Scaled (by 0.9431) Zero Point Vibrational Energy (zpe) 9453.7 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 CCD/6-311+G(3df,2p)
ABC
1.19718 0.75017 0.50857

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.862 -0.167 0.000
C2 0.000 0.741 0.000
C3 0.654 -0.531 0.000
H4 0.040 1.820 0.000
H5 1.036 -0.956 0.919
H6 1.036 -0.956 -0.919

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.25241.55902.18222.25202.2520
C21.25241.43061.07922.19102.1910
C31.55901.43062.42961.08261.0826
H42.18221.07922.42963.08923.0892
H52.25202.19101.08263.08921.8383
H62.25202.19101.08263.08921.8383

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 70.698 N1 C2 H4 138.638
N1 C3 C2 49.302 N1 C3 H5 115.801
N1 C3 H6 115.801 C2 N1 C3 60.000
C2 C3 N1 49.302 C2 C3 H5 120.718
C2 C3 H6 120.718 C3 C2 H4 150.664
H5 C3 H6 116.220
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability