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All results from a given calculation for C2H2N2O (Furazan)

using model chemistry: MP2=FULL/6-311+G(3df,2p)

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/6-311+G(3df,2p)
 hartrees
Energy at 0K-261.704866
Energy at 298.15K 
HF Energy-260.631167
Nuclear repulsion energy164.136673
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/6-311+G(3df,2p)
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 3330 3139 2.03 100.75 0.08 0.15
2 A1 1435 1353 25.36 6.59 0.75 0.85
3 A1 1301 1227 0.94 26.75 0.02 0.05
4 A1 1093 1031 0.16 7.34 0.20 0.33
5 A1 1057 997 19.35 10.09 0.11 0.20
6 A1 927 874 10.62 3.56 0.09 0.17
7 A2 911 859 0.00 0.03 0.75 0.86
8 A2 659 621 0.00 0.29 0.75 0.86
9 B1 859 810 41.13 0.04 0.75 0.86
10 B1 677 638 1.82 0.08 0.75 0.86
11 B2 3315 3125 1.93 49.62 0.75 0.86
12 B2 1509 1422 0.09 0.59 0.75 0.86
13 B2 1194 1126 5.28 0.01 0.75 0.86
14 B2 977 921 10.86 0.57 0.75 0.86
15 B2 956 901 5.09 1.99 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10100.3 cm-1
Scaled (by 0.9427) Zero Point Vibrational Energy (zpe) 9521.5 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/6-311+G(3df,2p)
ABC
0.34977 0.33036 0.16990

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-311+G(3df,2p)

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.118
N2 0.000 1.123 0.363
N3 0.000 -1.123 0.363
C4 0.000 0.699 -0.886
C5 0.000 -0.699 -0.886
H6 0.000 1.404 -1.697
H7 0.000 -1.404 -1.697

Atom - Atom Distances (Å)
  O1 N2 N3 C4 C5 H6 H7
O11.35351.35352.12292.12293.14573.1457
N21.35352.24681.31992.20942.07923.2604
N31.35352.24682.20941.31993.26042.0792
C42.12291.31992.20941.39721.07422.2530
C52.12292.20941.31991.39722.25301.0742
H63.14572.07923.26041.07422.25302.8071
H73.14573.26042.07922.25301.07422.8071

picture of Furazan state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 N2 C4 105.129 O1 N3 C5 105.129
N2 O1 N3 112.195 N2 C4 C5 108.773
N2 C4 H6 120.215 N3 C5 C4 108.773
N3 C5 H7 120.215 C4 C5 H7 131.012
C5 C4 H6 131.012
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability