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All results from a given calculation for C2H2N2O (Furazan)

using model chemistry: B2PLYP=FULL/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B2PLYP=FULL/6-31+G**
 hartrees
Energy at 0K-261.827982
Energy at 298.15K 
HF Energy-261.552472
Nuclear repulsion energy162.796722
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 B2PLYP=FULL/6-31+G**
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 3165 1.23 105.99 0.10 0.19
2 A1 1456 1384 19.00 18.47 0.39 0.56
3 A1 1344 1278 1.74 24.02 0.03 0.06
4 A1 1077 1024 0.49 4.72 0.20 0.34
5 A1 1024 974 15.62 7.69 0.17 0.29
6 A1 893 849 22.94 7.67 0.11 0.20
7 A2 883 840 0.00 0.22 0.75 0.86
8 A2 644 612 0.00 0.18 0.75 0.86
9 B1 855 813 45.58 0.00 0.75 0.86
10 B1 641 609 1.24 0.38 0.75 0.86
11 B2 3314 3152 0.52 60.42 0.75 0.86
12 B2 1571 1494 0.04 0.02 0.75 0.86
13 B2 1209 1150 5.48 0.56 0.75 0.86
14 B2 965 917 17.59 3.60 0.75 0.86
15 B2 853 811 3.01 0.56 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10027.2 cm-1
Scaled (by 0.951) Zero Point Vibrational Energy (zpe) 9535.9 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 B2PLYP=FULL/6-31+G**
ABC
0.34733 0.32190 0.16707

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/6-31+G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.132
N2 0.000 1.139 0.356
N3 0.000 -1.139 0.356
C4 0.000 0.709 -0.885
C5 0.000 -0.709 -0.885
H6 0.000 1.404 -1.709
H7 0.000 -1.404 -1.709

Atom - Atom Distances (Å)
  O1 N2 N3 C4 C5 H6 H7
O11.37791.37792.13752.13753.16833.1683
N21.37792.27751.31282.22602.08163.2752
N31.37792.27752.22601.31283.27522.0816
C42.13751.31282.22601.41891.07752.2681
C52.13752.22601.31281.41892.26811.0775
H63.16832.08163.27521.07752.26812.8074
H73.16833.27522.08162.26811.07752.8074

picture of Furazan state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 N2 C4 105.176 O1 N3 C5 105.176
N2 O1 N3 111.475 N2 C4 C5 109.087
N2 C4 H6 120.800 N3 C5 C4 109.087
N3 C5 H7 120.800 C4 C5 H7 130.114
C5 C4 H6 130.114
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability