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All results from a given calculation for CH2NN (diazomethane)

using model chemistry: HF/cc-pVTZ

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/cc-pVTZ
 hartrees
Energy at 0K-147.902774
Energy at 298.15K-147.905211
HF Energy-147.902774
Nuclear repulsion energy62.514098
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/cc-pVTZ
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 3338 3038 10.56      
2 A1 2302 2095 871.11      
3 A1 1561 1421 79.39      
4 A1 1283 1168 38.18      
5 B1 668 608 4.02      
6 B1 553 503 166.50      
7 B2 3473 3160 0.23      
8 B2 1236 1125 4.25      
9 B2 466 424 0.81      

Unscaled Zero Point Vibrational Energy (zpe) 7439.4 cm-1
Scaled (by 0.9101) Zero Point Vibrational Energy (zpe) 6770.6 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/cc-pVTZ
ABC
9.36012 0.39338 0.37751

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.123
N2 0.000 0.000 0.161
N3 0.000 0.000 1.263
H4 0.000 0.945 -1.615
H5 0.000 -0.945 -1.615

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.28382.38611.06581.0658
N21.28381.10232.01212.0121
N32.38611.10233.02983.0298
H41.06582.01213.02981.8905
H51.06582.01213.02981.8905

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 117.516
N2 C1 H5 117.516 H4 C1 H5 124.967
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.374      
2 N 0.202      
3 N -0.104      
4 H 0.138      
5 H 0.138      


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 -1.277 1.277
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.327 0.000 0.000
y 0.000 -15.570 0.000
z 0.000 0.000 -18.824
Traceless
 xyz
x -2.129 0.000 0.000
y 0.000 3.505 0.000
z 0.000 0.000 -1.376
Polar
3z2-r2-2.752
x2-y2-3.756
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.323 0.000 0.000
y 0.000 2.515 0.000
z 0.000 0.000 7.000


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