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All results from a given calculation for CH2NN (diazomethane)

using model chemistry: HF/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at HF/STO-3G
 hartrees
Energy at 0K-145.920607
Energy at 298.15K-145.922848
HF Energy-145.920607
Nuclear repulsion energy60.269053
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 HF/STO-3G
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 3645 2976 84.95      
2 A1 2218 1811 208.25      
3 A1 1710 1396 20.38      
4 A1 1378 1126 0.40      
5 B1 798 651 64.91      
6 B1 529 432 21.67      
7 B2 3837 3133 3.58      
8 B2 1296 1058 13.91      
9 B2 353 288 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 7881.4 cm-1
Scaled (by 0.8165) Zero Point Vibrational Energy (zpe) 6435.1 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 HF/STO-3G
ABC
9.42287 0.36635 0.35264

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/STO-3G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.147
N2 0.000 0.000 0.135
N3 0.000 0.000 1.326
H4 0.000 0.942 -1.673
H5 0.000 -0.942 -1.673

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.28182.47221.07891.0789
N21.28181.19052.03842.0384
N32.47221.19053.14263.1426
H41.07892.03843.14261.8842
H51.07892.03843.14261.8842

picture of diazomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 N3 180.000 N2 C1 H4 119.170
N2 C1 H5 119.170 H4 C1 H5 121.661
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.087      
2 N -0.058      
3 N -0.029      
4 H 0.087      
5 H 0.087      


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 -1.427 1.427
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.842 0.000 0.000
y 0.000 -14.691 0.000
z 0.000 0.000 -18.143
Traceless
 xyz
x -0.425 0.000 0.000
y 0.000 2.801 0.000
z 0.000 0.000 -2.376
Polar
3z2-r2-4.753
x2-y2-2.150
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.374 0.000 0.000
y 0.000 1.176 0.000
z 0.000 0.000 4.397


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000