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All results from a given calculation for C2H2N2O (Furazan)

using model chemistry: CCD/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 CCD/6-31G**
 hartrees
Energy at 0K-261.331478
Energy at 298.15K 
HF Energy-260.546292
Nuclear repulsion energy163.481013
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/6-31G**
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 3369 3159 0.30      
2 A1 1521 1426 15.29      
3 A1 1388 1302 2.81      
4 A1 1093 1024 0.69      
5 A1 1055 989 22.69      
6 A1 934 876 21.12      
7 A2 887 832 0.00      
8 A2 650 609 0.00      
9 B1 875 820 34.08      
10 B1 647 607 0.67      
11 B2 3355 3146 0.01      
12 B2 1645 1542 0.37      
13 B2 1251 1173 4.27      
14 B2 1017 953 3.14      
15 B2 980 919 15.24      

Unscaled Zero Point Vibrational Energy (zpe) 10333.7 cm-1
Scaled (by 0.9376) Zero Point Vibrational Energy (zpe) 9688.9 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/6-31G**
ABC
0.35015 0.32443 0.16840

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.125
N2 0.000 1.131 0.356
N3 0.000 -1.131 0.356
C4 0.000 0.712 -0.882
C5 0.000 -0.712 -0.882
H6 0.000 1.405 -1.704
H7 0.000 -1.405 -1.704

Atom - Atom Distances (Å)
  O1 N2 N3 C4 C5 H6 H7
O11.36781.36782.12942.12943.15873.1587
N21.36782.26191.30662.21982.07783.2670
N31.36782.26192.21981.30663.26702.0778
C42.12941.30662.21981.42361.07542.2708
C52.12942.21981.30661.42362.27081.0754
H63.15872.07783.26701.07542.27082.8101
H73.15873.26702.07782.27081.07542.8101

picture of Furazan state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 N2 C4 105.511 O1 N3 C5 105.511
N2 O1 N3 111.552 N2 C4 C5 108.713
N2 C4 H6 121.147 N3 C5 C4 108.713
N3 C5 H7 121.147 C4 C5 H7 130.140
C5 C4 H6 130.140
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability