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All results from a given calculation for CH2N2 (diazirine)

using model chemistry: B3LYP/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B3LYP/6-31G
 hartrees
Energy at 0K-148.637060
Energy at 298.15K-148.639881
HF Energy-148.637060
Nuclear repulsion energy62.760497
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 B3LYP/6-31G
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 3199 3078 0.45      
2 A1 1601 1540 9.16      
3 A1 1502 1445 11.28      
4 A1 975 938 2.91      
5 A2 977 940 0.00      
6 B1 3329 3203 11.93      
7 B1 1143 1099 2.94      
8 B2 1031 992 61.65      
9 B2 760 731 6.44      

Unscaled Zero Point Vibrational Energy (zpe) 7259.1 cm-1
Scaled (by 0.962) Zero Point Vibrational Energy (zpe) 6983.2 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 B3LYP/6-31G
ABC
1.31971 0.75957 0.53596

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.831
N2 0.000 0.627 -0.552
N3 0.000 -0.627 -0.552
H4 0.934 0.000 1.372
H5 -0.934 0.000 1.372

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.51841.51841.07931.0793
N21.51841.25442.22882.2288
N31.51841.25442.22882.2288
H41.07932.22882.22881.8674
H51.07932.22882.22881.8674

picture of diazirine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 N3 65.604 C1 N3 N2 65.604
N2 C1 N3 48.793 N2 C1 H4 117.180
N2 C1 H5 117.180 N3 C1 H4 117.180
N3 C1 H5 117.180 H4 C1 H5 119.792
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.185      
2 N -0.093      
3 N -0.093      
4 H 0.186      
5 H 0.186      


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 1.979 1.979
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.870 0.000 0.000
y 0.000 -20.476 0.000
z 0.000 0.000 -17.218
Traceless
 xyz
x 2.977 0.000 0.000
y 0.000 -3.932 0.000
z 0.000 0.000 0.956
Polar
3z2-r21.911
x2-y24.606
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.189 0.000 0.000
y 0.000 2.574 0.000
z 0.000 0.000 3.981


<r2> (average value of r2) Å2
<r2> 30.576
(<r2>)1/2 5.530