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All results from a given calculation for C2H2N2O (Furazan)

using model chemistry: B2PLYP=FULLultrafine/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 B2PLYP=FULLultrafine/6-31G**
 hartrees
Energy at 0K-261.815183
Energy at 298.15K 
HF Energy-261.543751
Nuclear repulsion energy162.952307
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 B2PLYP=FULLultrafine/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 3330 3330 0.69 91.92 0.10 0.18
2 A1 1463 1463 16.53 15.67 0.49 0.65
3 A1 1349 1349 2.06 14.82 0.12 0.21
4 A1 1082 1082 0.39 5.72 0.38 0.56
5 A1 1030 1030 13.82 5.89 0.28 0.43
6 A1 903 903 19.52 7.59 0.12 0.21
7 A2 892 892 0.00 2.16 0.75 0.86
8 A2 653 653 0.00 0.29 0.75 0.86
9 B1 861 861 33.94 1.11 0.75 0.86
10 B1 650 650 1.10 0.55 0.75 0.86
11 B2 3317 3317 0.06 56.52 0.75 0.86
12 B2 1578 1578 0.35 0.00 0.75 0.86
13 B2 1213 1213 5.18 0.57 0.75 0.86
14 B2 968 968 19.66 4.92 0.75 0.86
15 B2 867 867 3.49 0.42 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10077.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 10077.4 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 B2PLYP=FULLultrafine/6-31G**
ABC
0.34808 0.32246 0.16739

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULLultrafine/6-31G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.130
N2 0.000 1.138 0.356
N3 0.000 -1.138 0.356
C4 0.000 0.709 -0.884
C5 0.000 -0.709 -0.884
H6 0.000 1.401 -1.709
H7 0.000 -1.401 -1.709

Atom - Atom Distances (Å)
  O1 N2 N3 C4 C5 H6 H7
O11.37601.37602.13442.13443.16543.1654
N21.37602.27611.31222.22432.08173.2728
N31.37602.27612.22431.31223.27282.0817
C42.13441.31222.22431.41711.07722.2653
C52.13442.22431.31221.41712.26531.0772
H63.16542.08173.27281.07722.26532.8022
H73.16543.27282.08172.26531.07722.8022

picture of Furazan state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 N2 C4 105.096 O1 N3 C5 105.096
N2 O1 N3 111.598 N2 C4 C5 109.105
N2 C4 H6 120.884 N3 C5 C4 109.105
N3 C5 H7 120.884 C4 C5 H7 130.012
C5 C4 H6 130.012
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability