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All results from a given calculation for C2H2N2O (Furazan)

using model chemistry: CCD/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at CCD/6-311G*
 hartrees
Energy at 0K-261.408738
Energy at 298.15K 
HF Energy-260.600435
Nuclear repulsion energy164.100211
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 CCD/6-311G*
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 3303 3154 0.17      
2 A1 1497 1430 16.45      
3 A1 1376 1314 3.68      
4 A1 1080 1031 18.69      
5 A1 1065 1017 7.54      
6 A1 940 897 25.06      
7 A2 872 833 0.00      
8 A2 653 624 0.00      
9 B1 861 822 42.36      
10 B1 654 624 0.61      
11 B2 3289 3141 0.03      
12 B2 1624 1551 0.21      
13 B2 1227 1172 5.15      
14 B2 1025 979 2.35      
15 B2 983 939 16.92      

Unscaled Zero Point Vibrational Energy (zpe) 10223.1 cm-1
Scaled (by 0.9551) Zero Point Vibrational Energy (zpe) 9764.1 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 CCD/6-311G*
ABC
0.35249 0.32699 0.16963

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/6-311G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.118
N2 0.000 1.122 0.358
N3 0.000 -1.122 0.358
C4 0.000 0.714 -0.880
C5 0.000 -0.714 -0.880
H6 0.000 1.418 -1.700
H7 0.000 -1.418 -1.700

Atom - Atom Distances (Å)
  O1 N2 N3 C4 C5 H6 H7
O11.35491.35492.12132.12133.15423.1542
N21.35492.24451.30412.21472.07943.2696
N31.35492.24452.21471.30413.26962.0794
C42.12131.30412.21471.42771.08092.2843
C52.12132.21471.30411.42772.28431.0809
H63.15422.07943.26961.08092.28432.8366
H73.15423.26962.07942.28431.08092.8366

picture of Furazan state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 N2 C4 105.826 O1 N3 C5 105.826
N2 O1 N3 111.846 N2 C4 C5 108.251
N2 C4 H6 121.072 N3 C5 C4 108.251
N3 C5 H7 121.072 C4 C5 H7 130.677
C5 C4 H6 130.677
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability