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All results from a given calculation for C2H2N2O (Furazan)

using model chemistry: MP2=FULL/cc-pVTZ

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-pVTZ
 hartrees
Energy at 0K-261.664510
Energy at 298.15K 
HF Energy-260.634441
Nuclear repulsion energy164.140767
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-pVTZ
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 3345 3176 1.47 94.12 0.10 0.18
2 A1 1444 1371 25.79 6.47 0.75 0.86
3 A1 1303 1237 0.83 19.25 0.06 0.12
4 A1 1098 1043 0.26 6.95 0.30 0.46
5 A1 1056 1002 17.32 7.36 0.19 0.32
6 A1 927 880 10.75 4.32 0.13 0.23
7 A2 932 885 0.00 0.08 0.75 0.86
8 A2 666 632 0.00 0.34 0.75 0.86
9 B1 876 832 40.32 0.07 0.75 0.86
10 B1 677 643 2.18 0.12 0.75 0.86
11 B2 3326 3158 1.15 48.50 0.75 0.86
12 B2 1513 1437 0.32 0.73 0.75 0.86
13 B2 1200 1139 5.84 0.02 0.75 0.86
14 B2 975 925 15.55 2.08 0.75 0.86
15 B2 952 904 1.84 1.94 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10145.1 cm-1
Scaled (by 0.9494) Zero Point Vibrational Energy (zpe) 9631.7 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=FULL/cc-pVTZ
ABC
0.35010 0.33011 0.16990

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.119
N2 0.000 1.125 0.362
N3 0.000 -1.125 0.362
C4 0.000 0.698 -0.885
C5 0.000 -0.698 -0.885
H6 0.000 1.394 -1.697
H7 0.000 -1.394 -1.697

Atom - Atom Distances (Å)
  O1 N2 N3 C4 C5 H6 H7
O11.35601.35602.12202.12203.14203.1420
N21.35602.25091.31912.20912.07713.2540
N31.35602.25092.20911.31913.25402.0771
C42.12201.31912.20911.39511.06952.2433
C52.12202.20911.31911.39512.24331.0695
H63.14202.07713.25401.06952.24332.7873
H73.14203.25402.07712.24331.06952.7873

picture of Furazan state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 N2 C4 104.971 O1 N3 C5 104.971
N2 O1 N3 112.199 N2 C4 C5 108.929
N2 C4 H6 120.466 N3 C5 C4 108.929
N3 C5 H7 120.466 C4 C5 H7 130.605
C5 C4 H6 130.605
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability