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All results from a given calculation for CH2N2 (diazirine)

using model chemistry: B3PW91/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 B3PW91/cc-pVTZ
 hartrees
Energy at 0K-148.714503
Energy at 298.15K-148.717380
HF Energy-148.714503
Nuclear repulsion energy64.463926
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 B3PW91/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 3135 3014 6.53      
2 A1 1751 1684 22.47      
3 A1 1496 1438 2.96      
4 A1 1060 1019 3.55      
5 A2 993 955 0.00      
6 B1 3250 3125 11.29      
7 B1 1145 1101 3.51      
8 B2 1014 975 29.56      
9 B2 856 823 19.55      

Unscaled Zero Point Vibrational Energy (zpe) 7349.2 cm-1
Scaled (by 0.9616) Zero Point Vibrational Energy (zpe) 7067.0 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 B3PW91/cc-pVTZ
ABC
1.39356 0.80011 0.56835

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.803
N2 0.000 0.608 -0.537
N3 0.000 -0.608 -0.537
H4 0.932 0.000 1.350
H5 -0.932 0.000 1.350

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.47151.47151.08091.0809
N21.47151.21552.19062.1906
N31.47151.21552.19062.1906
H41.08092.19062.19061.8649
H51.08092.19062.19061.8649

picture of diazirine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 N3 65.605 C1 N3 N2 65.605
N2 C1 N3 48.790 N2 C1 H4 117.428
N2 C1 H5 117.428 N3 C1 H4 117.428
N3 C1 H5 117.428 H4 C1 H5 119.232
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.117      
2 N -0.031      
3 N -0.031      
4 H 0.090      
5 H 0.090      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 1.652 1.652
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.793 0.000 0.000
y 0.000 -19.669 0.000
z 0.000 0.000 -17.038
Traceless
 xyz
x 2.561 0.000 0.000
y 0.000 -3.254 0.000
z 0.000 0.000 0.693
Polar
3z2-r21.386
x2-y23.877
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.658 0.000 0.000
y 0.000 3.002 0.000
z 0.000 0.000 4.184


<r2> (average value of r2) Å2
<r2> 29.391
(<r2>)1/2 5.421