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All results from a given calculation for CH2NN (diazomethane)

using model chemistry: B3LYP/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 B3LYP/cc-pVTZ
 hartrees
Energy at 0K-148.799190
Energy at 298.15K-148.801438
HF Energy-148.799190
Nuclear repulsion energy61.506804
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 B3LYP/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 3186 3080 13.15      
2 A1 2202 2129 404.17      
3 A1 1442 1393 34.59      
4 A1 1210 1170 4.01      
5 B1 584 565 4.21      
6 B1 436 421 134.62      
7 B2 3308 3198 2.04      
8 B2 1120 1082 1.59      
9 B2 430 416 0.45      

Unscaled Zero Point Vibrational Energy (zpe) 6959.2 cm-1
Scaled (by 0.9666) Zero Point Vibrational Energy (zpe) 6726.7 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 B3LYP/cc-pVTZ
ABC
9.26345 0.38111 0.36605

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.137
N2 0.000 0.000 0.156
N3 0.000 0.000 1.288
H4 0.000 0.950 -1.641
H5 0.000 -0.950 -1.641

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.29232.42431.07551.0755
N21.29231.13202.03202.0320
N32.42431.13203.07853.0785
H41.07552.03203.07851.9004
H51.07552.03203.07851.9004

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 117.937
N2 C1 H5 117.937 H4 C1 H5 124.126
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.295      
2 N 0.138      
3 N -0.087      
4 H 0.122      
5 H 0.122      


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 -1.585 1.585
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.067 0.000 0.000
y 0.000 -15.542 0.000
z 0.000 0.000 -18.782
Traceless
 xyz
x -1.905 0.000 0.000
y 0.000 3.382 0.000
z 0.000 0.000 -1.477
Polar
3z2-r2-2.954
x2-y2-3.525
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.352 0.000 0.000
y 0.000 2.639 0.000
z 0.000 0.000 6.906


<r2> (average value of r2) Å2
<r2> 37.832
(<r2>)1/2 6.151