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All results from a given calculation for C2H2N2O (Furazan)

using model chemistry: B2PLYP=FULLultrafine/STO-3G

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/STO-3G
 hartrees
Energy at 0K-258.300846
Energy at 298.15K 
HF Energy-258.178865
Nuclear repulsion energy156.996160
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/STO-3G
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 3553 3553 34.55 50.70 0.12 0.22
2 A1 1435 1435 31.36 12.85 0.74 0.85
3 A1 1299 1299 1.77 10.70 0.11 0.21
4 A1 1115 1115 0.18 7.46 0.31 0.48
5 A1 1059 1059 1.72 9.51 0.25 0.40
6 A1 918 918 1.25 1.89 0.17 0.28
7 A2 908 908 0.00 1.75 0.75 0.86
8 A2 639 639 0.00 0.43 0.75 0.86
9 B1 852 852 18.85 1.26 0.75 0.86
10 B1 587 587 1.15 0.20 0.75 0.86
11 B2 3533 3533 14.00 37.80 0.75 0.86
12 B2 1543 1543 13.20 0.03 0.75 0.86
13 B2 1217 1217 2.40 0.52 0.75 0.86
14 B2 1031 1031 0.73 0.08 0.75 0.86
15 B2 954 954 8.90 5.15 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10321.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 10321.0 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/STO-3G
ABC
0.32178 0.30097 0.15551

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULLultrafine/STO-3G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.176
N2 0.000 1.191 0.369
N3 0.000 -1.191 0.369
C4 0.000 0.716 -0.920
C5 0.000 -0.716 -0.920
H6 0.000 1.404 -1.771
H7 0.000 -1.404 -1.771

Atom - Atom Distances (Å)
  O1 N2 N3 C4 C5 H6 H7
O11.43911.43912.21472.21473.26513.2651
N21.43912.38261.37362.30142.15093.3644
N31.43912.38262.30141.37363.36442.1509
C42.21471.37362.30141.43121.09552.2848
C52.21472.30141.37361.43122.28481.0955
H63.26512.15093.36441.09552.28482.8090
H73.26513.36442.15092.28481.09552.8090

picture of Furazan state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 N2 C4 103.862 O1 N3 C5 103.862
N2 O1 N3 111.749 N2 C4 C5 110.264
N2 C4 H6 120.769 N3 C5 C4 110.264
N3 C5 H7 120.769 C4 C5 H7 128.968
C5 C4 H6 128.968
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability