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All results from a given calculation for CH2N2 (diazirine)

using model chemistry: B3PW91/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B3PW91/6-31G**
 hartrees
Energy at 0K-148.666606
Energy at 298.15K-148.669489
HF Energy-148.666606
Nuclear repulsion energy64.227423
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 B3PW91/6-31G**
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 3152 3021 5.47      
2 A1 1764 1690 22.64      
3 A1 1512 1449 2.24      
4 A1 1092 1047 1.76      
5 A2 1000 958 0.00      
6 B1 3268 3132 15.30      
7 B1 1154 1106 3.93      
8 B2 1028 985 33.77      
9 B2 869 832 18.50      

Unscaled Zero Point Vibrational Energy (zpe) 7419.2 cm-1
Scaled (by 0.9584) Zero Point Vibrational Energy (zpe) 7110.5 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 B3PW91/6-31G**
ABC
1.37224 0.80054 0.56513

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.801
N2 0.000 0.613 -0.537
N3 0.000 -0.613 -0.537
H4 0.934 0.000 1.354
H5 -0.934 0.000 1.354

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.47211.47211.08471.0847
N21.47211.22632.19582.1958
N31.47211.22632.19582.1958
H41.08472.19582.19581.8670
H51.08472.19582.19581.8670

picture of diazirine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 N3 65.386 C1 N3 N2 65.386
N2 C1 N3 49.229 N2 C1 H4 117.576
N2 C1 H5 117.576 N3 C1 H4 117.576
N3 C1 H5 117.576 H4 C1 H5 118.779
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.117      
2 N -0.099      
3 N -0.099      
4 H 0.158      
5 H 0.158      


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 1.700 1.700
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.706 0.000 0.000
y 0.000 -19.564 0.000
z 0.000 0.000 -16.880
Traceless
 xyz
x 2.516 0.000 0.000
y 0.000 -3.271 0.000
z 0.000 0.000 0.755
Polar
3z2-r21.510
x2-y23.858
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.360 0.000 0.000
y 0.000 2.564 0.000
z 0.000 0.000 3.859


<r2> (average value of r2) Å2
<r2> 29.417
(<r2>)1/2 5.424