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/STO-3G

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/STO-3G
 hartrees
Energy at 0K-146.750095
Energy at 298.15K-146.752104
HF Energy-146.750095
Nuclear repulsion energy58.955408
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/STO-3G
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 3420 3020 76.11      
2 A1 2218 1959 53.70      
3 A1 1528 1349 12.37      
4 A1 1230 1086 0.19      
5 B1 568 502 49.08      
6 B1 427 377 48.43      
7 B2 3604 3182 10.70      
8 B2 1146 1012 4.08      
9 B2 361 318 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 7250.6 cm-1
Scaled (by 0.883) Zero Point Vibrational Energy (zpe) 6402.3 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/STO-3G
ABC
9.10049 0.34986 0.33691

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/STO-3G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.178
N2 0.000 0.000 0.139
N3 0.000 0.000 1.356
H4 0.000 0.959 -1.698
H5 0.000 -0.959 -1.698

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.31652.53321.09081.0908
N21.31651.21672.07212.0721
N32.53321.21673.20063.2006
H41.09082.07213.20061.9173
H51.09082.07213.20061.9173

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 118.499
N2 C1 H5 118.499 H4 C1 H5 123.002
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.135      
2 N -0.040      
3 N -0.040      
4 H 0.107      
5 H 0.107      


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 -1.462 1.462
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.895 0.000 0.000
y 0.000 -14.530 0.000
z 0.000 0.000 -17.449
Traceless
 xyz
x -0.906 0.000 0.000
y 0.000 2.641 0.000
z 0.000 0.000 -1.736
Polar
3z2-r2-3.472
x2-y2-2.365
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.442 0.000 0.000
y 0.000 1.200 0.000
z 0.000 0.000 4.275


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