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All results from a given calculation for C2H2N2O (Furazan)

using model chemistry: MP2/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at MP2/6-311G*
 hartrees
Energy at 0K-261.413496
Energy at 298.15K 
HF Energy-260.595133
Nuclear repulsion energy163.218225
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 MP2/6-311G*
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 3322 3157 0.79 87.67 0.12 0.21
2 A1 1429 1358 28.56 7.98 0.73 0.85
3 A1 1297 1233 0.88 17.18 0.10 0.19
4 A1 1090 1036 0.74 6.58 0.38 0.55
5 A1 1052 1000 15.83 6.87 0.23 0.38
6 A1 925 879 14.23 4.68 0.15 0.25
7 A2 847 805 0.00 0.52 0.75 0.86
8 A2 642 610 0.00 0.36 0.75 0.86
9 B1 838 796 47.42 0.34 0.75 0.86
10 B1 665 632 1.06 0.20 0.75 0.86
11 B2 3308 3144 0.78 49.37 0.75 0.86
12 B2 1504 1429 0.56 0.95 0.75 0.86
13 B2 1188 1129 7.04 0.01 0.75 0.86
14 B2 976 927 14.77 2.69 0.75 0.86
15 B2 947 900 1.87 2.11 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10015.4 cm-1
Scaled (by 0.9503) Zero Point Vibrational Energy (zpe) 9517.7 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 MP2/6-311G*
ABC
0.34674 0.32582 0.16798

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.122
N2 0.000 1.131 0.366
N3 0.000 -1.131 0.366
C4 0.000 0.704 -0.891
C5 0.000 -0.704 -0.891
H6 0.000 1.412 -1.705
H7 0.000 -1.412 -1.705

Atom - Atom Distances (Å)
  O1 N2 N3 C4 C5 H6 H7
O11.36061.36062.13212.13213.16033.1603
N21.36062.26221.32712.22392.09013.2799
N31.36062.26222.22391.32713.27992.0901
C42.13211.32712.22391.40771.07962.2674
C52.13212.22391.32711.40772.26741.0796
H63.16032.09013.27991.07962.26742.8244
H73.16033.27992.09012.26741.07962.8244

picture of Furazan state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 N2 C4 104.982 O1 N3 C5 104.982
N2 O1 N3 112.475 N2 C4 C5 108.781
N2 C4 H6 120.213 N3 C5 C4 108.781
N3 C5 H7 120.213 C4 C5 H7 131.007
C5 C4 H6 131.007
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability