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All results from a given calculation for CH2N2 (diazirine)

using model chemistry: mPW1PW91/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at mPW1PW91/cc-pVDZ
 hartrees
Energy at 0K-148.693072
Energy at 298.15K-148.695957
HF Energy-148.693072
Nuclear repulsion energy64.331333
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 mPW1PW91/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 A1 3153 3021 3.98      
2 A1 1789 1714 24.05      
3 A1 1481 1419 2.93      
4 A1 1101 1055 2.55      
5 A2 992 951 0.00      
6 B1 3276 3139 11.93      
7 B1 1138 1091 4.17      
8 B2 1021 979 25.25      
9 B2 870 833 24.73      

Unscaled Zero Point Vibrational Energy (zpe) 7409.7 cm-1
Scaled (by 0.9583) Zero Point Vibrational Energy (zpe) 7100.7 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 mPW1PW91/cc-pVDZ
ABC
1.37970 0.80106 0.56743

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.800
N2 0.000 0.611 -0.536
N3 0.000 -0.611 -0.536
H4 0.939 0.000 1.354
H5 -0.939 0.000 1.354

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.46951.46951.09031.0903
N21.46951.22122.19762.1976
N31.46951.22122.19762.1976
H41.09032.19762.19761.8778
H51.09032.19762.19761.8778

picture of diazirine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 N3 65.448 C1 N3 N2 65.448
N2 C1 N3 49.104 N2 C1 H4 117.539
N2 C1 H5 117.539 N3 C1 H4 117.539
N3 C1 H5 117.539 H4 C1 H5 118.898
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.014      
2 N -0.061      
3 N -0.061      
4 H 0.068      
5 H 0.068      


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 1.576 1.576
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.645 0.000 0.000
y 0.000 -19.476 0.000
z 0.000 0.000 -16.899
Traceless
 xyz
x 2.542 0.000 0.000
y 0.000 -3.203 0.000
z 0.000 0.000 0.661
Polar
3z2-r21.322
x2-y23.830
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.347 0.000 0.000
y 0.000 2.593 0.000
z 0.000 0.000 3.826


<r2> (average value of r2) Å2
<r2> 29.352
(<r2>)1/2 5.418