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All results from a given calculation for CH2NN (diazomethane)

using model chemistry: QCISD/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at QCISD/cc-pVTZ
 hartrees
Energy at 0K-148.470280
Energy at 298.15K-148.472516
HF Energy-147.899780
Nuclear repulsion energy61.354999
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 QCISD/cc-pVTZ
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 3229 3086 15.03      
2 A1 2160 2064 481.86      
3 A1 1467 1402 37.19      
4 A1 1211 1157 4.08      
5 B1 590 564 6.91      
6 B1 423 404 132.26      
7 B2 3362 3213 1.71      
8 B2 1138 1087 2.71      
9 B2 423 404 0.54      

Unscaled Zero Point Vibrational Energy (zpe) 7001.1 cm-1
Scaled (by 0.9555) Zero Point Vibrational Energy (zpe) 6689.5 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 QCISD/cc-pVTZ
ABC
9.22050 0.37911 0.36414

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.142
N2 0.000 0.000 0.155
N3 0.000 0.000 1.291
H4 0.000 0.952 -1.637
H5 0.000 -0.952 -1.637

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.29712.43271.07341.0734
N21.29711.13562.02952.0295
N32.43271.13563.07883.0788
H41.07342.02953.07881.9048
H51.07342.02953.07881.9048

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 117.465
N2 C1 H5 117.465 H4 C1 H5 125.070
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability