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All results from a given calculation for C2H2N2O (Furazan)

using model chemistry: G2

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at G2
 hartrees
Energy at 0K-261.666080
Energy at 298.15K-261.661670
HF Energy-260.547385
Nuclear repulsion energy166.633787
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 HF/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 3483 3281 0.02 85.11 0.10 0.18
2 A1 1668 1572 6.83 26.17 0.21 0.35
3 A1 1488 1402 5.74 12.53 0.30 0.47
4 A1 1162 1095 45.48 6.81 0.37 0.54
5 A1 1125 1060 0.55 2.06 0.16 0.28
6 A1 1008 950 35.47 4.54 0.12 0.22
7 A2 1035 975 0.00 3.49 0.75 0.86
8 A2 717 676 0.00 0.11 0.75 0.86
9 B1 976 919 34.13 0.34 0.75 0.86
10 B1 696 656 1.01 1.27 0.75 0.86
11 B2 3469 3269 0.42 54.63 0.75 0.86
12 B2 1820 1714 0.12 0.95 0.75 0.86
13 B2 1345 1267 2.62 1.03 0.75 0.86
14 B2 1141 1075 0.74 0.54 0.75 0.86
15 B2 1057 996 29.26 4.98 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 11094.1 cm-1
Scaled (by 0.9422) Zero Point Vibrational Energy (zpe) 10452.8 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 MP2=FULL/6-31G*
ABC
0.34491 0.32346 0.16692

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.129
N2 0.000 1.139 0.363
N3 0.000 -1.139 0.363
C4 0.000 0.701 -0.891
C5 0.000 -0.701 -0.891
H6 0.000 1.404 -1.712
H7 0.000 -1.404 -1.712

Atom - Atom Distances (Å)
  O1 N2 N3 C4 C5 H6 H7
O11.37271.37272.13842.13843.16873.1687
N21.37272.27821.32822.22712.09163.2818
N31.37272.27822.22711.32823.28182.0916
C42.13841.32822.22711.40281.08022.2594
C52.13842.22711.32821.40282.25941.0802
H63.16872.09163.28181.08022.25942.8072
H73.16873.28182.09162.25941.08022.8072

picture of Furazan state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 N2 C4 106.504 O1 N3 C5 106.504
N2 O1 N3 111.601 N2 C4 C5 107.696
N2 C4 H6 121.914 N3 C5 C4 107.696
N3 C5 H7 121.914 C4 C5 H7 130.391
C5 C4 H6 130.391
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability