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All results from a given calculation for C2H2N2O (Furazan)

using model chemistry: B2PLYP=FULL/6-311G*

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/6-311G*
 hartrees
Energy at 0K-261.900872
Energy at 298.15K 
HF Energy-261.598874
Nuclear repulsion energy163.373372
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/6-311G*
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 3304 3304 0.06 91.77 0.12 0.21
2 A1 1447 1447 18.67 16.60 0.43 0.60
3 A1 1342 1342 2.31 16.13 0.09 0.17
4 A1 1070 1070 1.37 4.85 0.36 0.53
5 A1 1034 1034 12.74 5.97 0.27 0.42
6 A1 900 900 23.33 7.49 0.14 0.24
7 A2 883 883 0.00 1.21 0.75 0.86
8 A2 654 654 0.00 0.13 0.75 0.86
9 B1 853 853 42.20 0.23 0.75 0.86
10 B1 652 652 1.03 0.42 0.75 0.86
11 B2 3290 3290 0.04 55.52 0.75 0.86
12 B2 1565 1565 0.18 0.00 0.75 0.86
13 B2 1204 1204 5.90 0.52 0.75 0.86
14 B2 973 973 19.98 4.92 0.75 0.86
15 B2 854 854 3.05 0.40 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10011.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 10011.8 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 B2PLYP=FULL/6-311G*
ABC
0.34994 0.32399 0.16823

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/6-311G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.126
N2 0.000 1.133 0.356
N3 0.000 -1.133 0.356
C4 0.000 0.709 -0.882
C5 0.000 -0.709 -0.882
H6 0.000 1.407 -1.703
H7 0.000 -1.407 -1.703

Atom - Atom Distances (Å)
  O1 N2 N3 C4 C5 H6 H7
O11.36991.36992.12932.12933.15963.1596
N21.36992.26651.30872.21982.07733.2704
N31.36992.26652.21981.30873.27042.0773
C42.12931.30872.21981.41841.07782.2703
C52.12932.21981.30871.41842.27031.0778
H63.15962.07733.27041.07782.27032.8149
H73.15963.27042.07732.27031.07782.8149

picture of Furazan state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 N2 C4 105.274 O1 N3 C5 105.274
N2 O1 N3 111.635 N2 C4 C5 108.908
N2 C4 H6 120.711 N3 C5 C4 108.908
N3 C5 H7 120.711 C4 C5 H7 130.380
C5 C4 H6 130.380
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability