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/aug-cc-pVDZ

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/aug-cc-pVDZ
 hartrees
Energy at 0K-148.705292
Energy at 298.15K-148.707516
HF Energy-148.705292
Nuclear repulsion energy61.230305
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/aug-cc-pVDZ
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 3212 3077 16.24      
2 A1 2235 2141 433.07      
3 A1 1425 1365 36.15      
4 A1 1228 1177 2.61      
5 B1 574 550 10.68      
6 B1 425 407 125.25      
7 B2 3350 3209 3.12      
8 B2 1099 1053 2.63      
9 B2 423 405 0.14      

Unscaled Zero Point Vibrational Energy (zpe) 6984.9 cm-1
Scaled (by 0.9579) Zero Point Vibrational Energy (zpe) 6690.8 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/aug-cc-pVDZ
ABC
9.11330 0.37827 0.36320

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/aug-cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.140
N2 0.000 0.000 0.154
N3 0.000 0.000 1.294
H4 0.000 0.958 -1.644
H5 0.000 -0.958 -1.644

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.29412.43401.08241.0824
N21.29411.13982.03732.0373
N32.43401.13983.09013.0901
H41.08242.03733.09011.9159
H51.08242.03733.09011.9159

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 117.746
N2 C1 H5 117.746 H4 C1 H5 124.508
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.666      
2 N 0.403      
3 N -0.443      
4 H -0.313      
5 H -0.313      


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 -1.655 1.655
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.300 0.000 0.000
y 0.000 -15.587 0.000
z 0.000 0.000 -18.876
Traceless
 xyz
x -2.068 0.000 0.000
y 0.000 3.501 0.000
z 0.000 0.000 -1.432
Polar
3z2-r2-2.865
x2-y2-3.713
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.240 0.000 0.000
y 0.000 3.137 0.000
z 0.000 0.000 7.561


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