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All results from a given calculation for C2H2N2O (Furazan)

using model chemistry: B2PLYP=FULLultrafine/TZVP

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/TZVP
 hartrees
Energy at 0K-261.928444
Energy at 298.15K 
HF Energy-261.624332
Nuclear repulsion energy163.332956
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/TZVP
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 3307 3307 1.14 102.91 0.10 0.18
2 A1 1441 1441 19.94 18.22 0.39 0.56
3 A1 1340 1340 1.95 21.43 0.04 0.07
4 A1 1072 1072 0.59 4.25 0.24 0.39
5 A1 1025 1025 13.94 6.17 0.27 0.42
6 A1 887 887 25.92 8.58 0.13 0.23
7 A2 839 839 0.00 1.31 0.75 0.86
8 A2 629 629 0.00 0.00 0.75 0.86
9 B1 850 850 43.44 0.09 0.75 0.86
10 B1 639 639 1.28 0.26 0.75 0.86
11 B2 3293 3293 0.54 54.78 0.75 0.86
12 B2 1563 1563 0.14 0.02 0.75 0.86
13 B2 1209 1209 6.16 0.55 0.75 0.86
14 B2 965 965 17.54 4.45 0.75 0.86
15 B2 829 829 2.76 0.65 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9943.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9943.3 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/TZVP
ABC
0.34992 0.32376 0.16817

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULLultrafine/TZVP

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.129
N2 0.000 1.135 0.353
N3 0.000 -1.135 0.353
C4 0.000 0.708 -0.881
C5 0.000 -0.708 -0.881
H6 0.000 1.400 -1.703
H7 0.000 -1.400 -1.703

Atom - Atom Distances (Å)
  O1 N2 N3 C4 C5 H6 H7
O11.37491.37492.13042.13043.15943.1594
N21.37492.27061.30602.21792.07363.2648
N31.37492.27062.21791.30603.26482.0736
C42.13041.30602.21791.41531.07542.2627
C52.13042.21791.30601.41532.26271.0754
H63.15942.07363.26481.07542.26272.8005
H73.15943.26482.07362.26271.07542.8005

picture of Furazan state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 N2 C4 105.220 O1 N3 C5 105.220
N2 O1 N3 111.329 N2 C4 C5 109.115
N2 C4 H6 120.789 N3 C5 C4 109.115
N3 C5 H7 120.789 C4 C5 H7 130.096
C5 C4 H6 130.096
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability