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All results from a given calculation for CH2NN (diazomethane)

using model chemistry: B3PW91/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B3PW91/3-21G*
 hartrees
Energy at 0K-147.841116
Energy at 298.15K-147.843468
HF Energy-147.841116
Nuclear repulsion energy60.745880
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 B3PW91/3-21G*
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 3211 3080 15.55      
2 A1 2086 2001 269.70      
3 A1 1455 1396 31.55      
4 A1 1196 1147 0.00      
5 B1 611 586 199.97      
6 B1 571 548 5.43      
7 B2 3327 3192 0.21      
8 B2 1134 1088 0.68      
9 B2 426 409 0.06      

Unscaled Zero Point Vibrational Energy (zpe) 7008.0 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 6723.5 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 B3PW91/3-21G*
ABC
9.33746 0.37157 0.35735

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/3-21G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.146
N2 0.000 0.000 0.150
N3 0.000 0.000 1.308
H4 0.000 0.946 -1.665
H5 0.000 -0.946 -1.665

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.29562.45421.07951.0795
N21.29561.15872.04682.0468
N32.45421.15873.12053.1205
H41.07952.04683.12051.8928
H51.07952.04683.12051.8928

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 118.754
N2 C1 H5 118.754 H4 C1 H5 122.492
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.248      
2 N -0.178      
3 N -0.082      
4 H 0.254      
5 H 0.254      


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 -1.619 1.619
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.830 0.000 0.000
y 0.000 -15.237 0.000
z 0.000 0.000 -18.233
Traceless
 xyz
x -2.095 0.000 0.000
y 0.000 3.295 0.000
z 0.000 0.000 -1.200
Polar
3z2-r2-2.400
x2-y2-3.593
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.060 0.000 0.000
y 0.000 1.929 0.000
z 0.000 0.000 6.002


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