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All results from a given calculation for C2H2N2O (Furazan)

using model chemistry: CID/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at CID/6-31G*
 hartrees
Energy at 0K-261.195006
Energy at 298.15K 
HF Energy-260.545978
Nuclear repulsion energy165.115065
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 CID/6-31G*
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 3420 3159 0.71      
2 A1 1581 1460 12.10      
3 A1 1438 1329 5.17      
4 A1 1119 1034 10.34      
5 A1 1109 1025 24.90      
6 A1 976 902 24.52      
7 A2 943 871 0.00      
8 A2 683 631 0.00      
9 B1 915 845 37.76      
10 B1 678 626 0.88      
11 B2 3407 3147 0.01      
12 B2 1720 1589 0.31      
13 B2 1290 1191 4.42      
14 B2 1075 993 1.65      
15 B2 1017 940 22.30      

Unscaled Zero Point Vibrational Energy (zpe) 10685.6 cm-1
Scaled (by 0.9237) Zero Point Vibrational Energy (zpe) 9870.2 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 CID/6-31G*
ABC
0.35701 0.33091 0.17173

See section I.F.4 to change rotational constant units
Geometric Data calculated at CID/6-31G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.113
N2 0.000 1.116 0.354
N3 0.000 -1.116 0.354
C4 0.000 0.710 -0.873
C5 0.000 -0.710 -0.873
H6 0.000 1.405 -1.692
H7 0.000 -1.405 -1.692

Atom - Atom Distances (Å)
  O1 N2 N3 C4 C5 H6 H7
O11.34921.34922.10872.10873.13653.1365
N21.34922.23191.29292.19992.06653.2465
N31.34922.23192.19991.29293.24652.0665
C42.10871.29292.19991.41951.07392.2673
C52.10872.19991.29291.41952.26731.0739
H63.13652.06653.24651.07392.26732.8091
H73.13653.24652.06652.26731.07392.8091

picture of Furazan state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 N2 C4 105.885 O1 N3 C5 105.885
N2 O1 N3 111.610 N2 C4 C5 108.310
N2 C4 H6 121.375 N3 C5 C4 108.310
N3 C5 H7 121.375 C4 C5 H7 130.315
C5 C4 H6 130.315
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability