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All results from a given calculation for C2H2N2O (Furazan)

using model chemistry: MP3=FULL/aug-cc-pVDZ

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=FULL/aug-cc-pVDZ
 hartrees
Energy at 0K-261.408519
Energy at 298.15K 
HF Energy-260.582030
Nuclear repulsion energy163.138912
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=FULL/aug-cc-pVDZ
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 3338 3338 0.67      
2 A1 1504 1504 18.86      
3 A1 1365 1365 2.41      
4 A1 1070 1070 5.61      
5 A1 1050 1050 19.52      
6 A1 921 921 23.89      
7 A2 872 872 0.00      
8 A2 647 647 0.00      
9 B1 864 864 39.03      
10 B1 645 645 1.21      
11 B2 3323 3323 0.13      
12 B2 1618 1618 0.08      
13 B2 1215 1215 3.32      
14 B2 992 992 7.10      
15 B2 970 970 12.81      

Unscaled Zero Point Vibrational Energy (zpe) 10196.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 10196.5 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 MP3=FULL/aug-cc-pVDZ
ABC
0.34829 0.32330 0.16767

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/aug-cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.126
N2 0.000 1.130 0.359
N3 0.000 -1.130 0.359
C4 0.000 0.717 -0.885
C5 0.000 -0.717 -0.885
H6 0.000 1.422 -1.709
H7 0.000 -1.422 -1.709

Atom - Atom Distances (Å)
  O1 N2 N3 C4 C5 H6 H7
O11.36501.36502.13442.13443.17153.1715
N21.36502.25931.31112.22652.08923.2850
N31.36502.25932.22651.31113.28502.0892
C42.13441.31112.22651.43321.08502.2921
C52.13442.22651.31111.43322.29211.0850
H63.17152.08923.28501.08502.29212.8444
H73.17153.28502.08922.29211.08502.8444

picture of Furazan state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 N2 C4 105.780 O1 N3 C5 105.780
N2 O1 N3 111.712 N2 C4 C5 108.364
N2 C4 H6 121.073 N3 C5 C4 108.364
N3 C5 H7 121.073 C4 C5 H7 130.563
C5 C4 H6 130.563
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability