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All results from a given calculation for C2H2N2O (Furazan)

using model chemistry: MP3/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at MP3/Def2TZVPP
 hartrees
Energy at 0K-261.591864
Energy at 298.15K 
HF Energy-260.648760
Nuclear repulsion energy164.706290
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 MP3/Def2TZVPP
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 3344 3344 0.87      
2 A1 1509 1509 16.21      
3 A1 1382 1382 3.01      
4 A1 1081 1081 15.72      
5 A1 1071 1071 12.78      
6 A1 940 940 23.08      
7 A2 918 918 0.00      
8 A2 663 663 0.00      
9 B1 887 887 38.44      
10 B1 659 659 1.44      
11 B2 3329 3329 0.19      
12 B2 1634 1634 0.12      
13 B2 1240 1240 3.36      
14 B2 1018 1018 1.43      
15 B2 984 984 19.92      

Unscaled Zero Point Vibrational Energy (zpe) 10329.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 10329.0 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 MP3/Def2TZVPP
ABC
0.35477 0.32969 0.17088

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3/Def2TZVPP

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.116
N2 0.000 1.118 0.355
N3 0.000 -1.118 0.355
C4 0.000 0.711 -0.877
C5 0.000 -0.711 -0.877
H6 0.000 1.408 -1.692
H7 0.000 -1.408 -1.692

Atom - Atom Distances (Å)
  O1 N2 N3 C4 C5 H6 H7
O11.35231.35232.11562.11563.14113.1411
N21.35232.23651.29792.20522.06793.2514
N31.35232.23652.20521.29793.25142.0679
C42.11561.29792.20521.42121.07262.2696
C52.11562.20521.29791.42122.26961.0726
H63.14112.06793.25141.07262.26962.8150
H73.14113.25142.06792.26961.07262.8150

picture of Furazan state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 N2 C4 105.915 O1 N3 C5 105.915
N2 O1 N3 111.559 N2 C4 C5 108.305
N2 C4 H6 121.173 N3 C5 C4 108.305
N3 C5 H7 121.173 C4 C5 H7 130.522
C5 C4 H6 130.522
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability