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All results from a given calculation for C2H2N2O (Furazan)

using model chemistry: MP2=FULL/6-31G**

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/6-31G**
 hartrees
Energy at 0K-261.351849
Energy at 298.15K 
HF Energy-260.541174
Nuclear repulsion energy162.751938
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/6-31G**
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 3375 3154 1.11 88.06 0.10 0.18
2 A1 1457 1362 25.67 8.89 0.74 0.85
3 A1 1309 1223 0.61 14.71 0.11 0.20
4 A1 1110 1037 0.15 7.17 0.41 0.59
5 A1 1039 970 15.13 6.33 0.25 0.40
6 A1 923 863 10.96 5.43 0.13 0.23
7 A2 867 810 0.00 1.22 0.75 0.86
8 A2 642 600 0.00 0.52 0.75 0.86
9 B1 854 798 38.05 1.28 0.75 0.86
10 B1 663 619 1.11 0.29 0.75 0.86
11 B2 3360 3140 0.43 50.57 0.75 0.86
12 B2 1528 1428 0.84 0.74 0.75 0.86
13 B2 1210 1130 5.83 0.01 0.75 0.86
14 B2 978 913 14.88 2.80 0.75 0.86
15 B2 945 883 1.26 2.07 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10129.4 cm-1
Scaled (by 0.9344) Zero Point Vibrational Energy (zpe) 9464.9 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/6-31G**
ABC
0.34521 0.32373 0.16706

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.129
N2 0.000 1.139 0.363
N3 0.000 -1.139 0.363
C4 0.000 0.701 -0.891
C5 0.000 -0.701 -0.891
H6 0.000 1.399 -1.709
H7 0.000 -1.399 -1.709

Atom - Atom Distances (Å)
  O1 N2 N3 C4 C5 H6 H7
O11.37241.37242.13782.13783.16353.1635
N21.37242.27781.32792.22672.08803.2758
N31.37242.27782.22671.32793.27582.0880
C42.13781.32792.22671.40261.07482.2536
C52.13782.22671.32791.40262.25361.0748
H63.16352.08803.27581.07482.25362.7971
H73.16353.27582.08802.25361.07482.7971

picture of Furazan state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 N2 C4 104.677 O1 N3 C5 104.677
N2 O1 N3 112.167 N2 C4 C5 109.239
N2 C4 H6 120.319 N3 C5 C4 109.239
N3 C5 H7 120.319 C4 C5 H7 130.441
C5 C4 H6 130.441
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability