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

using model chemistry: QCISD/aug-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 QCISD/aug-cc-pVDZ
 hartrees
Energy at 0K-132.269611
Energy at 298.15K-132.272293
HF Energy-131.795007
Nuclear repulsion energy62.464132
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 QCISD/aug-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' 3367 3262 2.00      
2 A' 3342 3237 15.43      
3 A' 1747 1692 10.14      
4 A' 1360 1317 11.94      
5 A' 1068 1034 5.36      
6 A' 883 855 24.38      
7 A' 527 511 73.92      
8 A" 3309 3206 14.00      
9 A" 1151 1115 36.93      
10 A" 966 936 16.52      
11 A" 682 660 3.52      
12 A" 560 542 3.61      

Unscaled Zero Point Vibrational Energy (zpe) 9480.7 cm-1
Scaled (by 0.9687) Zero Point Vibrational Energy (zpe) 9184.0 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 QCISD/aug-cc-pVDZ
ABC
1.02961 0.79252 0.46946

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.036 0.908 0.000
C2 -0.036 -0.481 0.648
C3 -0.036 -0.481 -0.648
H4 0.942 1.238 0.000
H5 -0.129 -0.909 1.640
H6 -0.129 -0.909 -1.640

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.53301.53301.03182.44972.4497
C21.53301.29632.08101.08442.3299
C31.53301.29632.08102.32991.0844
H41.03182.08102.08102.90592.9059
H52.44971.08442.32992.90593.2806
H62.44972.32991.08442.90593.2806

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 64.990 N1 C2 H5 138.099
N1 C3 C2 64.990 N1 C3 H6 138.099
C2 N1 C3 50.021 C2 N1 H4 106.828
C2 C3 H6 156.195 C3 N1 H4 106.828
C3 C2 H5 156.195
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability