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All results from a given calculation for CH2N2 (diazirine)

using model chemistry: CCSD(T)/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at CCSD(T)/aug-cc-pVTZ
 hartrees
Energy at 0K-148.495720
Energy at 298.15K-148.498578
HF Energy-147.885948
Nuclear repulsion energy63.869421
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 CCSD(T)/aug-cc-pVTZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 3152 3057        
2 A1 1644 1595        
3 A1 1492 1447        
4 A1 1023 992        
5 A2 987 958        
6 B1 3271 3172        
7 B1 1135 1100        
8 B2 1002 972        
9 B2 830 805        

Unscaled Zero Point Vibrational Energy (zpe) 7267.7 cm-1
Scaled (by 0.9699) Zero Point Vibrational Energy (zpe) 7048.9 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 CCSD(T)/aug-cc-pVTZ
ABC
1.35708 0.79135 0.55813

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)/aug-cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.810
N2 0.000 0.617 -0.540
N3 0.000 -0.617 -0.540
H4 0.935 0.000 1.351
H5 -0.935 0.000 1.351

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.48421.48421.07971.0797
N21.48421.23402.19742.1974
N31.48421.23402.19742.1974
H41.07972.19742.19741.8690
H51.07972.19742.19741.8690

picture of diazirine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 N3 65.435 C1 N3 N2 65.435
N2 C1 N3 49.130 N2 C1 H4 117.101
N2 C1 H5 117.101 N3 C1 H4 117.101
N3 C1 H5 117.101 H4 C1 H5 119.880
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability