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All results from a given calculation for C2H2N2O (Furazan)

using model chemistry: MP2/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at MP2/6-31G*
 hartrees
Energy at 0K-261.316880
Energy at 298.15K 
HF Energy-260.536639
Nuclear repulsion energy162.510258
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 MP2/6-31G*
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 3342 3151 1.42 88.16 0.10 0.18
2 A1 1449 1367 27.18 8.67 0.74 0.85
3 A1 1305 1231 0.58 14.63 0.11 0.20
4 A1 1110 1047 0.26 7.15 0.42 0.59
5 A1 1036 977 15.13 6.30 0.25 0.40
6 A1 920 868 11.61 5.49 0.13 0.23
7 A2 845 796 0.00 1.29 0.75 0.86
8 A2 639 602 0.00 0.51 0.75 0.86
9 B1 842 794 42.15 1.34 0.75 0.86
10 B1 660 623 1.00 0.29 0.75 0.86
11 B2 3328 3138 0.63 51.27 0.75 0.86
12 B2 1520 1434 1.17 0.71 0.75 0.86
13 B2 1206 1138 6.75 0.01 0.75 0.86
14 B2 976 920 15.83 2.93 0.75 0.86
15 B2 942 888 1.02 1.92 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10059.6 cm-1
Scaled (by 0.943) Zero Point Vibrational Energy (zpe) 9486.2 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 MP2/6-31G*
ABC
0.34427 0.32278 0.16659

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.130
N2 0.000 1.140 0.363
N3 0.000 -1.140 0.363
C4 0.000 0.702 -0.892
C5 0.000 -0.702 -0.892
H6 0.000 1.405 -1.713
H7 0.000 -1.405 -1.713

Atom - Atom Distances (Å)
  O1 N2 N3 C4 C5 H6 H7
O11.37411.37412.14042.14043.17103.1710
N21.37412.28071.32972.22952.09303.2845
N31.37412.28072.22951.32973.28452.0930
C42.14041.32972.22951.40421.08052.2611
C52.14042.22951.32971.40422.26111.0805
H63.17102.09303.28451.08052.26112.8094
H73.17103.28452.09302.26111.08052.8094

picture of Furazan state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 N2 C4 104.667 O1 N3 C5 104.667
N2 O1 N3 112.178 N2 C4 C5 109.244
N2 C4 H6 120.197 N3 C5 C4 109.244
N3 C5 H7 120.197 C4 C5 H7 130.559
C5 C4 H6 130.559
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability