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All results from a given calculation for C2H2N2O (Furazan)

using model chemistry: B2PLYP=FULL/daug-cc-pVDZ

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=FULL/daug-cc-pVDZ
 hartrees
Energy at 0K-261.862103
Energy at 298.15K 
HF Energy-261.580271
Nuclear repulsion energy162.625344
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=FULL/daug-cc-pVDZ
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 3302 3302 0.90 109.77 0.08 0.15
2 A1 1443 1443 20.09 15.95 0.34 0.51
3 A1 1330 1330 1.68 28.62 0.02 0.05
4 A1 1063 1063 1.07 5.17 0.22 0.36
5 A1 1022 1022 14.29 8.68 0.10 0.19
6 A1 886 886 20.11 8.04 0.09 0.17
7 A2 907 907 0.00 0.04 0.75 0.86
8 A2 652 652 0.00 0.13 0.75 0.86
9 B1 854 854 41.38 0.05 0.75 0.86
10 B1 646 646 1.74 0.23 0.75 0.86
11 B2 3289 3289 0.46 58.04 0.75 0.86
12 B2 1551 1551 0.03 0.01 0.75 0.86
13 B2 1186 1186 4.75 0.44 0.75 0.86
14 B2 959 959 19.82 2.52 0.75 0.86
15 B2 839 839 2.40 0.41 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9964.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9964.1 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=FULL/daug-cc-pVDZ
ABC
0.34656 0.32126 0.16672

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/daug-cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.131
N2 0.000 1.139 0.358
N3 0.000 -1.139 0.358
C4 0.000 0.711 -0.886
C5 0.000 -0.711 -0.886
H6 0.000 1.411 -1.713
H7 0.000 -1.411 -1.713

Atom - Atom Distances (Å)
  O1 N2 N3 C4 C5 H6 H7
O11.37661.37662.13902.13903.17523.1752
N21.37662.27741.31512.22932.08873.2850
N31.37662.27742.22931.31513.28502.0887
C42.13901.31512.22931.42271.08352.2781
C52.13902.22931.31511.42272.27811.0835
H63.17522.08873.28501.08352.27812.8227
H73.17523.28502.08872.27811.08352.8227

picture of Furazan state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 N2 C4 105.225 O1 N3 C5 105.225
N2 O1 N3 111.626 N2 C4 C5 108.962
N2 C4 H6 120.796 N3 C5 C4 108.962
N3 C5 H7 120.796 C4 C5 H7 130.242
C5 C4 H6 130.242
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability