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

using model chemistry: MP3=FULL/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP3=FULL/6-31G*
 hartrees
Energy at 0K-268.532502
Energy at 298.15K-268.539120
HF Energy-267.662484
Nuclear repulsion energy221.179296
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 MP3=FULL/6-31G*
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' 3345 3138 1.22      
2 A' 3333 3127 1.30      
3 A' 3305 3101 1.37      
4 A' 3184 2988 16.83      
5 A' 3101 2910 25.13      
6 A' 1719 1613 0.55      
7 A' 1606 1507 18.38      
8 A' 1562 1466 6.71      
9 A' 1484 1393 3.15      
10 A' 1462 1371 3.80      
11 A' 1326 1244 3.97      
12 A' 1309 1228 1.07      
13 A' 1273 1195 28.56      
14 A' 1135 1065 10.42      
15 A' 1091 1024 34.26      
16 A' 1047 983 2.99      
17 A' 1001 939 1.51      
18 A' 908 852 23.65      
19 A' 657 617 2.77      
20 A' 323 303 0.91      
21 A" 3168 2973 18.17      
22 A" 1544 1449 6.37      
23 A" 1095 1028 1.27      
24 A" 812 762 1.29      
25 A" 772 725 62.24      
26 A" 726 681 0.57      
27 A" 620 581 18.53      
28 A" 594 557 1.02      
29 A" 264 248 2.42      
30 A" 129 121 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 21947.4 cm-1
Scaled (by 0.9383) Zero Point Vibrational Energy (zpe) 20593.3 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 MP3=FULL/6-31G*
ABC
0.29777 0.11248 0.08290

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.701 -1.459 0.000
C2 -1.078 -0.149 0.000
C3 0.657 -1.463 0.000
C4 0.000 0.679 0.000
C5 1.149 -0.198 0.000
C6 0.007 2.177 0.000
H7 -2.143 0.034 0.000
H8 1.126 -2.436 0.000
H9 2.191 0.093 0.000
H10 -1.014 2.569 0.000
H11 0.520 2.570 0.884
H12 0.520 2.570 -0.884

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
O11.36261.35812.24992.23873.70402.07562.07213.28194.04024.30144.3014
C21.36262.17611.35932.22682.56661.08073.17593.27732.71923.27523.2752
C31.35812.17612.24071.35763.69763.17511.08022.18514.36484.13084.1308
C42.24991.35932.24071.44491.49792.23753.31252.26752.14502.15092.1509
C52.23872.22681.35761.44492.63483.29942.23861.08193.51182.97232.9723
C63.70402.56663.69761.49792.63483.03494.74693.01821.09371.09491.0949
H72.07561.08073.17512.23753.29943.03494.09744.33362.77463.78133.7813
H82.07213.17591.08023.31252.23864.74694.09742.74455.44375.11935.1193
H93.28193.27732.18512.26751.08193.01824.33362.74454.04963.11513.1151
H104.04022.71924.36482.14503.51181.09372.77465.44374.04961.77051.7705
H114.30143.27524.13082.15092.97231.09493.78135.11933.11511.77051.7676
H124.30143.27524.13082.15092.97231.09493.78135.11933.11511.77051.7676

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 111.501 O1 C2 H7 115.839
O1 C3 C5 111.049 O1 C3 H8 115.914
C2 O1 C3 106.226 C2 C4 C5 105.098
C2 C4 C6 127.809 C3 C5 C4 106.127
C3 C5 H9 126.837 C4 C2 H7 132.661
C4 C5 H9 127.037 C4 C6 H10 110.755
C4 C6 H11 111.158 C4 C6 H12 111.158
C5 C3 H8 133.037 C5 C4 C6 127.093
H10 C6 H11 107.987 H10 C6 H12 107.987
H11 C6 H12 107.651
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability