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All results from a given calculation for C2H2N2O (Furazan)

using model chemistry: MP2=FULL/Def2TZVPP

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/Def2TZVPP
 hartrees
Energy at 0K-261.693610
Energy at 298.15K 
HF Energy-260.643586
Nuclear repulsion energy163.840510
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/Def2TZVPP
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 3328 3328 1.63 99.68 0.08 0.16
2 A1 1429 1429 25.85 6.82 0.75 0.85
3 A1 1291 1291 1.31 22.41 0.04 0.08
4 A1 1092 1092 0.14 6.73 0.25 0.40
5 A1 1053 1053 18.31 8.03 0.18 0.31
6 A1 923 923 10.98 4.45 0.12 0.21
7 A2 911 911 0.00 0.11 0.75 0.86
8 A2 658 658 0.00 0.20 0.75 0.86
9 B1 867 867 41.50 0.01 0.75 0.86
10 B1 673 673 2.15 0.09 0.75 0.86
11 B2 3313 3313 1.37 48.53 0.75 0.86
12 B2 1500 1500 0.25 0.65 0.75 0.86
13 B2 1191 1191 5.48 0.01 0.75 0.86
14 B2 973 973 13.89 1.50 0.75 0.86
15 B2 950 950 2.87 2.26 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10075.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 10075.3 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/Def2TZVPP
ABC
0.34899 0.32874 0.16928

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/Def2TZVPP

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.120
N2 0.000 1.127 0.363
N3 0.000 -1.127 0.363
C4 0.000 0.699 -0.887
C5 0.000 -0.699 -0.887
H6 0.000 1.400 -1.698
H7 0.000 -1.400 -1.698

Atom - Atom Distances (Å)
  O1 N2 N3 C4 C5 H6 H7
O11.35831.35832.12582.12583.14733.1473
N21.35832.25481.32122.21332.07923.2613
N31.35832.25482.21331.32123.26132.0792
C42.12581.32122.21331.39841.07212.2505
C52.12582.21331.32121.39842.25051.0721
H63.14732.07923.26131.07212.25052.8000
H73.14733.26132.07922.25051.07212.8000

picture of Furazan state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 N2 C4 104.991 O1 N3 C5 104.991
N2 O1 N3 112.198 N2 C4 C5 108.910
N2 C4 H6 120.269 N3 C5 C4 108.910
N3 C5 H7 120.269 C4 C5 H7 130.821
C5 C4 H6 130.821
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability