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All results from a given calculation for CH2NN (diazomethane)

using model chemistry: B2PLYP=FULLultrafine/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 B2PLYP=FULLultrafine/6-31G*
 hartrees
Energy at 0K-148.593743
Energy at 298.15K 
HF Energy-148.433323
Nuclear repulsion energy60.919466
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 B2PLYP=FULLultrafine/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 3248 3081 15.80 99.76 0.12 0.22
2 A1 2223 2109 285.30 10.07 0.34 0.51
3 A1 1471 1396 25.21 4.45 0.72 0.84
4 A1 1212 1150 1.02 28.05 0.30 0.46
5 B1 575 545 2.37 0.02 0.75 0.86
6 B1 362 344 150.60 0.89 0.75 0.86
7 B2 3371 3198 1.37 53.09 0.75 0.86
8 B2 1135 1077 1.44 0.49 0.75 0.86
9 B2 426 404 0.46 0.52 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 7011.7 cm-1
Scaled (by 0.9487) Zero Point Vibrational Energy (zpe) 6652.0 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 B2PLYP=FULLultrafine/6-31G*
ABC
9.21926 0.37392 0.35935

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULLultrafine/6-31G*

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 0.151
N3 0.000 0.000 1.303
H4 0.000 0.952 -1.651
H5 0.000 -0.952 -1.651

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.29762.44881.07791.0779
N21.29761.15112.03862.0386
N32.44881.15113.10333.1033
H41.07792.03863.10331.9049
H51.07792.03863.10331.9049

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 117.923
N2 C1 H5 117.923 H4 C1 H5 124.154
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP=FULLultrafine/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.363      
2 N 0.159      
3 N -0.192      
4 H 0.198      
5 H 0.198      


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 -1.681 1.681
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.806 0.000 0.000
y 0.000 -15.341 0.000
z 0.000 0.000 -18.524
Traceless
 xyz
x -1.874 0.000 0.000
y 0.000 3.324 0.000
z 0.000 0.000 -1.450
Polar
3z2-r2-2.901
x2-y2-3.465
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.530 0.000 0.000
y 0.000 2.230 0.000
z 0.000 0.000 6.403


<r2> (average value of r2) Å2
<r2> 38.149
(<r2>)1/2 6.176