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All results from a given calculation for C2H2N2O (Furazan)

using model chemistry: MP2/6-31+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 MP2/6-31+G**
 hartrees
Energy at 0K-261.348067
Energy at 298.15K 
HF Energy-260.547035
Nuclear repulsion energy162.354724
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 MP2/6-31+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 3367 3167 1.68 103.00 0.10 0.18
2 A1 1445 1360 27.45 9.02 0.75 0.86
3 A1 1298 1220 1.15 24.79 0.03 0.06
4 A1 1103 1038 0.23 6.10 0.25 0.40
5 A1 1028 967 17.37 8.45 0.14 0.25
6 A1 909 855 13.85 5.26 0.10 0.19
7 A2 838 788 0.00 0.02 0.75 0.86
8 A2 622 585 0.00 0.48 0.75 0.86
9 B1 841 791 50.08 0.01 0.75 0.86
10 B1 646 607 1.10 0.16 0.75 0.86
11 B2 3352 3153 1.20 54.36 0.75 0.86
12 B2 1515 1425 0.25 0.76 0.75 0.86
13 B2 1202 1131 6.28 0.01 0.75 0.86
14 B2 970 912 12.81 2.20 0.75 0.86
15 B2 926 871 0.59 1.44 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10030.9 cm-1
Scaled (by 0.9406) Zero Point Vibrational Energy (zpe) 9435.0 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 MP2/6-31+G**
ABC
0.34354 0.32214 0.16625

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.132
N2 0.000 1.142 0.363
N3 0.000 -1.142 0.363
C4 0.000 0.703 -0.893
C5 0.000 -0.703 -0.893
H6 0.000 1.403 -1.711
H7 0.000 -1.403 -1.711

Atom - Atom Distances (Å)
  O1 N2 N3 C4 C5 H6 H7
O11.37651.37652.14372.14373.17003.1700
N21.37652.28341.33082.23182.09023.2827
N31.37652.28342.23181.33083.28272.0902
C42.14371.33082.23181.40571.07632.2589
C52.14372.23181.33081.40572.25891.0763
H63.17002.09023.28271.07632.25892.8059
H73.17003.28272.09022.25891.07632.8059

picture of Furazan state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 N2 C4 104.701 O1 N3 C5 104.701
N2 O1 N3 112.085 N2 C4 C5 109.256
N2 C4 H6 120.167 N3 C5 C4 109.256
N3 C5 H7 120.167 C4 C5 H7 130.577
C5 C4 H6 130.577
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability