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All results from a given calculation for C2H2N2O (Furazan)

using model chemistry: MP2=FULL/cc-pVDZ

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/cc-pVDZ
 hartrees
Energy at 0K-261.357480
Energy at 298.15K 
HF Energy-260.559121
Nuclear repulsion energy162.614343
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/cc-pVDZ
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 3340 3175 1.65 92.67 0.10 0.19
2 A1 1437 1365 27.03 7.61 0.75 0.85
3 A1 1298 1233 0.74 16.39 0.11 0.20
4 A1 1083 1030 0.87 8.14 0.45 0.62
5 A1 1046 994 14.00 6.67 0.22 0.36
6 A1 918 873 12.04 4.47 0.12 0.21
7 A2 884 840 0.00 0.62 0.75 0.86
8 A2 648 616 0.00 0.64 0.75 0.86
9 B1 848 806 37.69 0.81 0.75 0.86
10 B1 669 636 1.16 0.19 0.75 0.86
11 B2 3324 3160 0.96 51.47 0.75 0.86
12 B2 1504 1429 0.31 1.01 0.75 0.86
13 B2 1176 1118 6.07 0.01 0.75 0.86
14 B2 968 920 16.25 3.45 0.75 0.86
15 B2 939 893 1.15 1.58 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10042.0 cm-1
Scaled (by 0.9504) Zero Point Vibrational Energy (zpe) 9543.9 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/cc-pVDZ
ABC
0.34411 0.32352 0.16675

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.125
N2 0.000 1.135 0.369
N3 0.000 -1.135 0.369
C4 0.000 0.706 -0.894
C5 0.000 -0.706 -0.894
H6 0.000 1.418 -1.716
H7 0.000 -1.418 -1.716

Atom - Atom Distances (Å)
  O1 N2 N3 C4 C5 H6 H7
O11.36371.36372.13852.13853.17483.1748
N21.36372.27031.33372.23272.10383.2962
N31.36372.27032.23271.33373.29622.1038
C42.13851.33372.23271.41221.08742.2777
C52.13852.23271.33371.41222.27771.0874
H63.17482.10383.29621.08742.27772.8362
H73.17483.29622.10382.27771.08742.8362

picture of Furazan state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 N2 C4 104.891 O1 N3 C5 104.891
N2 O1 N3 112.687 N2 C4 C5 108.765
N2 C4 H6 120.332 N3 C5 C4 108.765
N3 C5 H7 120.332 C4 C5 H7 130.903
C5 C4 H6 130.903
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability