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All results from a given calculation for CH2NN (diazomethane)

using model chemistry: HF/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 HF/6-31G*
 hartrees
Energy at 0K-147.843784
Energy at 298.15K 
HF Energy-147.843784
Nuclear repulsion energy62.196493
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/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 3387 3043 9.35      
2 A1 2309 2074 777.36      
3 A1 1589 1428 63.28      
4 A1 1322 1188 15.20      
5 B1 666 598 13.58      
6 B1 594 534 163.58      
7 B2 3517 3160 0.05      
8 B2 1248 1122 4.30      
9 B2 453 407 0.60      

Unscaled Zero Point Vibrational Energy (zpe) 7542.6 cm-1
Scaled (by 0.8985) Zero Point Vibrational Energy (zpe) 6777.0 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 HF/6-31G*
ABC
9.37724 0.38984 0.37428

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.125
N2 0.000 0.000 0.156
N3 0.000 0.000 1.272
H4 0.000 0.944 -1.624
H5 0.000 -0.944 -1.624

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.28062.39671.06811.0681
N21.28061.11612.01452.0145
N32.39671.11613.04573.0457
H41.06812.01453.04571.8888
H51.06812.01453.04571.8888

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 117.845
N2 C1 H5 117.845 H4 C1 H5 124.310
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.408      
2 N 0.151      
3 N -0.184      
4 H 0.221      
5 H 0.221      


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 -1.534 1.534
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.083 0.000 0.000
y 0.000 -15.476 -0.007
z 0.000 -0.007 -18.667
Traceless
 xyz
x -2.011 0.000 0.000
y 0.000 3.399 -0.007
z 0.000 -0.007 -1.388
Polar
3z2-r2-2.776
x2-y2-3.607
xy0.000
xz0.000
yz-0.007


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.499 0.000 0.000
y 0.000 2.155 -0.015
z 0.000 -0.015 6.586


<r2> (average value of r2) Å2
<r2> 37.223
(<r2>)1/2 6.101