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All results from a given calculation for C2H2N2O (Furazan)

using model chemistry: CID/cc-pVTZ

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/cc-pVTZ
 hartrees
Energy at 0K-261.428851
Energy at 298.15K 
HF Energy-260.641298
Nuclear repulsion energy166.381499
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/cc-pVTZ
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 3414 3163 0.65      
2 A1 1573 1457 13.57      
3 A1 1436 1330 4.72      
4 A1 1130 1047 37.67      
5 A1 1105 1023 1.31      
6 A1 985 912 23.56      
7 A2 992 919 0.00      
8 A2 697 646 0.00      
9 B1 936 867 37.48      
10 B1 692 641 1.88      
11 B2 3399 3149 0.10      
12 B2 1714 1588 0.06      
13 B2 1288 1193 3.19      
14 B2 1085 1005 0.80      
15 B2 1019 944 25.43      

Unscaled Zero Point Vibrational Energy (zpe) 10730.9 cm-1
Scaled (by 0.9265) Zero Point Vibrational Energy (zpe) 9942.2 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/cc-pVTZ
ABC
0.36176 0.33645 0.17432

See section I.F.4 to change rotational constant units
Geometric Data calculated at CID/cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.104
N2 0.000 1.104 0.353
N3 0.000 -1.104 0.353
C4 0.000 0.708 -0.868
C5 0.000 -0.708 -0.868
H6 0.000 1.401 -1.679
H7 0.000 -1.401 -1.679

Atom - Atom Distances (Å)
  O1 N2 N3 C4 C5 H6 H7
O11.33481.33482.09502.09503.11553.1155
N21.33482.20801.28432.18502.05413.2256
N31.33482.20802.18501.28433.22562.0541
C42.09501.28432.18501.41511.06682.2589
C52.09502.18501.28431.41512.25891.0668
H63.11552.05413.22561.06682.25892.8014
H73.11553.22562.05412.25891.06682.8014

picture of Furazan state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 N2 C4 106.222 O1 N3 C5 106.222
N2 O1 N3 111.598 N2 C4 C5 107.979
N2 C4 H6 121.497 N3 C5 C4 107.979
N3 C5 H7 121.497 C4 C5 H7 130.524
C5 C4 H6 130.524
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability