return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for CH2NN (diazomethane)

using model chemistry: B1B95/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B1B95/6-31G*
 hartrees
Energy at 0K-148.682056
Energy at 298.15K-148.684295
HF Energy-148.682056
Nuclear repulsion energy61.304993
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 B1B95/6-31G*
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 3237 3073 14.69      
2 A1 2263 2148 346.50      
3 A1 1460 1386 29.53      
4 A1 1245 1182 0.44      
5 B1 592 562 0.98      
6 B1 435 413 151.45      
7 B2 3358 3188 1.48      
8 B2 1122 1066 1.23      
9 B2 431 410 0.42      

Unscaled Zero Point Vibrational Energy (zpe) 7071.5 cm-1
Scaled (by 0.9493) Zero Point Vibrational Energy (zpe) 6713.0 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 B1B95/6-31G*
ABC
9.22359 0.37914 0.36417

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G*

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 0.151
N3 0.000 0.000 1.293
H4 0.000 0.952 -1.644
H5 0.000 -0.952 -1.644

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.28892.43071.07871.0787
N21.28891.14182.03262.0326
N32.43071.14183.08803.0880
H41.07872.03263.08801.9045
H51.07872.03263.08801.9045

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 118.025
N2 C1 H5 118.025 H4 C1 H5 123.951
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.372      
2 N 0.178      
3 N -0.215      
4 H 0.204      
5 H 0.204      


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 -1.713 1.713
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.657 0.000 0.000
y 0.000 -15.164 0.000
z 0.000 0.000 -18.298
Traceless
 xyz
x -1.925 0.000 0.000
y 0.000 3.313 0.000
z 0.000 0.000 -1.388
Polar
3z2-r2-2.775
x2-y2-3.492
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.538 0.000 0.000
y 0.000 2.235 0.000
z 0.000 0.000 6.388


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