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

using model chemistry: MP2/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/6-311G**
 hartrees
Energy at 0K-268.627094
Energy at 298.15K-268.633631
HF Energy-267.725577
Nuclear repulsion energy220.841279
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 MP2/6-311G**
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' 3315 3150 0.57      
2 A' 3303 3138 0.70      
3 A' 3279 3116 0.97      
4 A' 3166 3009 16.46      
5 A' 3074 2921 29.25      
6 A' 1634 1552 0.63      
7 A' 1531 1455 8.81      
8 A' 1521 1445 13.16      
9 A' 1435 1363 2.38      
10 A' 1414 1344 4.07      
11 A' 1297 1232 2.95      
12 A' 1266 1203 4.33      
13 A' 1247 1185 21.90      
14 A' 1112 1057 19.13      
15 A' 1062 1009 16.19      
16 A' 1019 968 2.56      
17 A' 986 937 3.28      
18 A' 890 845 19.19      
19 A' 645 613 2.16      
20 A' 313 297 0.76      
21 A" 3152 2995 16.57      
22 A" 1502 1427 6.66      
23 A" 1069 1016 0.44      
24 A" 797 758 0.29      
25 A" 754 716 74.38      
26 A" 693 658 0.31      
27 A" 619 589 13.99      
28 A" 568 539 1.81      
29 A" 255 242 3.76      
30 A" 119 113 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 21517.0 cm-1
Scaled (by 0.9502) Zero Point Vibrational Energy (zpe) 20445.5 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 MP2/6-311G**
ABC
0.29732 0.11199 0.08261

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.681 -1.469 0.000
C2 -1.077 -0.167 0.000
C3 0.677 -1.460 0.000
C4 0.000 0.681 0.000
C5 1.151 -0.176 0.000
C6 -0.025 2.179 0.000
H7 -2.144 -0.000 0.000
H8 1.152 -2.429 0.000
H9 2.190 0.123 0.000
H10 -1.054 2.550 0.000
H11 0.478 2.581 0.884
H12 0.478 2.581 -0.884

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
O11.36041.35852.25532.24263.70682.07282.06963.28304.03654.30464.3046
C21.36042.17921.37132.22812.57171.07963.17563.28002.71783.27983.2798
C31.35852.17922.24541.36893.70653.17641.07892.18964.36804.14144.1414
C42.25531.37132.24541.43451.49862.24963.31622.25962.14612.14972.1497
C52.24262.22811.36891.43452.63233.29942.25311.08113.50592.97202.9720
C63.70682.57173.70651.49862.63233.03954.75613.02231.09351.09431.0943
H72.07281.07963.17642.24963.29943.03954.09424.33542.77373.78453.7845
H82.06963.17561.07893.31622.25314.75614.09422.75475.44595.13165.1316
H93.28303.28002.18962.25961.08113.02234.33542.75474.05123.12263.1226
H104.03652.71784.36802.14613.50591.09352.77375.44594.05121.76971.7697
H114.30463.27984.14142.14972.97201.09433.78455.13163.12261.76971.7687
H124.30463.27984.14142.14972.97201.09433.78455.13163.12261.76971.7687

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 111.294 O1 C2 H7 115.833
O1 C3 C5 110.620 O1 C3 H8 115.746
C2 O1 C3 106.545 C2 C4 C5 105.120
C2 C4 C6 127.245 C3 C5 C4 106.421
C3 C5 H9 126.289 C4 C2 H7 132.873
C4 C5 H9 127.290 C4 C6 H10 110.805
C4 C6 H11 111.052 C4 C6 H12 111.052
C5 C3 H8 133.634 C5 C4 C6 127.636
H10 C6 H11 107.980 H10 C6 H12 107.980
H11 C6 H12 107.837
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability