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-148.625397
Energy at 298.15K-148.627752
HF Energy-148.625397
Nuclear repulsion energy60.836560
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 3245 3095 16.63      
2 A1 2169 2069 314.44      
3 A1 1475 1407 32.55      
4 A1 1230 1174 0.00      
5 B1 646 616 183.34      
6 B1 544 519 4.03      
7 B2 3369 3213 0.17      
8 B2 1151 1098 1.64      
9 B2 421 401 0.07      

Unscaled Zero Point Vibrational Energy (zpe) 7124.8 cm-1
Scaled (by 0.9537) Zero Point Vibrational Energy (zpe) 6795.0 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
9.37384 0.37274 0.35849

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 -1.144
N2 0.000 0.000 0.149
N3 0.000 0.000 1.307
H4 0.000 0.945 -1.662
H5 0.000 -0.945 -1.662

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.29232.45051.07741.0774
N21.29231.15822.04222.0422
N32.45051.15823.11543.1154
H41.07742.04223.11541.8891
H51.07742.04223.11541.8891

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 118.756
N2 C1 H5 118.756 H4 C1 H5 122.488
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 -0.239      
2 N -0.072      
3 N -0.090      
4 H 0.201      
5 H 0.201      


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 -1.882 1.882
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.852 0.000 0.000
y 0.000 -15.303 0.000
z 0.000 0.000 -18.857
Traceless
 xyz
x -1.772 0.000 0.000
y 0.000 3.552 0.000
z 0.000 0.000 -1.779
Polar
3z2-r2-3.559
x2-y2-3.549
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.327 0.000 0.000
y 0.000 2.070 0.000
z 0.000 0.000 6.555


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