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All results from a given calculation for C2H2N2O (Furazan)

using model chemistry: MP2=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 MP2=FULL/6-311G*
 hartrees
Energy at 0K-261.507033
Energy at 298.15K 
HF Energy-260.595630
Nuclear repulsion energy163.380703
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 MP2=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 3325 3149 0.83 87.37 0.12 0.21
2 A1 1433 1357 28.42 7.99 0.73 0.85
3 A1 1302 1233 0.78 17.09 0.10 0.19
4 A1 1092 1035 0.78 6.64 0.38 0.55
5 A1 1055 999 15.95 6.88 0.23 0.38
6 A1 928 879 14.31 4.63 0.15 0.25
7 A2 850 806 0.00 0.51 0.75 0.86
8 A2 644 610 0.00 0.36 0.75 0.86
9 B1 840 795 47.36 0.34 0.75 0.86
10 B1 667 632 1.09 0.20 0.75 0.86
11 B2 3311 3136 0.83 49.13 0.75 0.86
12 B2 1508 1429 0.54 0.93 0.75 0.86
13 B2 1191 1128 7.11 0.01 0.75 0.86
14 B2 978 926 14.79 2.62 0.75 0.86
15 B2 950 900 1.94 2.17 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10037.1 cm-1
Scaled (by 0.9471) Zero Point Vibrational Energy (zpe) 9506.1 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 MP2=FULL/6-311G*
ABC
0.34734 0.32655 0.16831

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-311G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.121
N2 0.000 1.130 0.366
N3 0.000 -1.130 0.366
C4 0.000 0.703 -0.890
C5 0.000 -0.703 -0.890
H6 0.000 1.411 -1.704
H7 0.000 -1.411 -1.704

Atom - Atom Distances (Å)
  O1 N2 N3 C4 C5 H6 H7
O11.35901.35902.13022.13023.15813.1581
N21.35902.25941.32582.22162.08883.2772
N31.35902.25942.22161.32583.27722.0888
C42.13021.32582.22161.40631.07922.2658
C52.13022.22161.32581.40632.26581.0792
H63.15812.08883.27721.07922.26582.8224
H73.15813.27722.08882.26581.07922.8224

picture of Furazan state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 N2 C4 105.003 O1 N3 C5 105.003
N2 O1 N3 112.460 N2 C4 C5 108.767
N2 C4 H6 120.231 N3 C5 C4 108.767
N3 C5 H7 120.231 C4 C5 H7 131.002
C5 C4 H6 131.002
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability