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All results from a given calculation for C5H6O (3-Methylfuran)

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 CS 1A'
Energy calculated at MP2/6-31+G**
 hartrees
Energy at 0K-268.544027
Energy at 298.15K-268.550481
HF Energy-267.679149
Nuclear repulsion energy220.593244
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 A' 3362 3162 0.29      
2 A' 3349 3150 0.34      
3 A' 3321 3124 1.23      
4 A' 3213 3022 16.52      
5 A' 3115 2930 32.48      
6 A' 1651 1553 0.19      
7 A' 1547 1455 3.23      
8 A' 1544 1452 22.95      
9 A' 1460 1373 1.60      
10 A' 1437 1352 3.82      
11 A' 1305 1228 1.68      
12 A' 1285 1209 1.24      
13 A' 1245 1171 27.13      
14 A' 1113 1046 12.13      
15 A' 1067 1004 29.70      
16 A' 1031 970 0.70      
17 A' 993 934 3.47      
18 A' 885 833 19.75      
19 A' 647 609 2.32      
20 A' 319 300 0.75      
21 A" 3200 3010 13.43      
22 A" 1521 1431 6.69      
23 A" 1075 1011 0.09      
24 A" 782 736 0.81      
25 A" 739 695 102.50      
26 A" 672 632 0.25      
27 A" 604 568 11.20      
28 A" 540 508 0.92      
29 A" 239 225 3.85      
30 A" 112 105 0.07      

Unscaled Zero Point Vibrational Energy (zpe) 21686.4 cm-1
Scaled (by 0.9406) Zero Point Vibrational Energy (zpe) 20398.3 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 MP2/6-31+G**
ABC
0.29620 0.11195 0.08249

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.687 -1.471 0.000
C2 -1.083 -0.159 0.000
C3 0.680 -1.463 0.000
C4 0.000 0.681 0.000
C5 1.148 -0.177 0.000
C6 -0.017 2.178 0.000
H7 -2.147 0.008 0.000
H8 1.153 -2.429 0.000
H9 2.184 0.121 0.000
H10 -1.040 2.553 0.000
H11 0.487 2.576 0.881
H12 0.487 2.576 -0.881

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
O11.37031.36772.25902.24533.70992.07772.07533.28324.03884.30494.3049
C21.37032.19341.37072.23112.56881.07673.18713.27952.71183.27453.2745
C31.36772.19342.24951.36823.70713.18711.07592.18414.36864.13854.1385
C42.25901.37072.24951.43321.49692.24993.31752.25522.14102.14592.1459
C52.24532.23111.36821.43322.62713.29992.25231.07853.49822.96522.9652
C63.70992.56883.70711.49692.62713.04104.75363.01271.08981.09051.0905
H72.07771.07673.18712.24993.29993.04104.10274.33282.77503.78293.7829
H82.07533.18711.07593.31752.25234.75364.10272.75075.44345.12585.1258
H93.28323.27952.18412.25521.07853.01274.33282.75074.03863.11213.1121
H104.03882.71184.36862.14103.49821.08982.77505.44344.03861.76351.7635
H114.30493.27454.13852.14592.96521.09053.78295.12583.11211.76351.7629
H124.30493.27454.13852.14592.96521.09053.78295.12583.11211.76351.7629

picture of 3-Methylfuran state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 C4 111.003 O1 C2 H7 115.707
O1 C3 C5 110.298 O1 C3 H8 115.752
C2 O1 C3 106.468 C2 C4 C5 105.421
C2 C4 C6 127.163 C3 C5 C4 106.810
C3 C5 H9 126.002 C4 C2 H7 133.290
C4 C5 H9 127.188 C4 C6 H10 110.737
C4 C6 H11 111.090 C4 C6 H12 111.090
C5 C3 H8 133.950 C5 C4 C6 127.416
H10 C6 H11 107.963 H10 C6 H12 107.963
H11 C6 H12 107.861
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability