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All results from a given calculation for CH2NN (diazomethane)

using model chemistry: QCISD/3-21G

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/3-21G
 hartrees
Energy at 0K-147.331469
Energy at 298.15K-147.333746
HF Energy-146.990651
Nuclear repulsion energy60.054192
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/3-21G
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 3188 3090 10.55      
2 A1 1916 1857 269.47      
3 A1 1489 1443 25.53      
4 A1 1139 1104 1.46      
5 B1 586 568 126.26      
6 B1 513 497 46.68      
7 B2 3308 3206 0.66      
8 B2 1166 1130 2.05      
9 B2 403 391 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 6853.4 cm-1
Scaled (by 0.9692) Zero Point Vibrational Energy (zpe) 6642.3 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 QCISD/3-21G
ABC
9.27730 0.36246 0.34883

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/3-21G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.162
N2 0.000 0.000 0.151
N3 0.000 0.000 1.325
H4 0.000 0.949 -1.679
H5 0.000 -0.949 -1.679

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.31242.48651.08141.0814
N21.31241.17402.06172.0617
N32.48651.17403.15063.1506
H41.08142.06173.15061.8989
H51.08142.06173.15061.8989

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 118.600
N2 C1 H5 118.600 H4 C1 H5 122.799
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability