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

using model chemistry: MP2=FULL/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=FULL/6-311G**
 hartrees
Energy at 0K-268.740328
Energy at 298.15K-268.746883
HF Energy-267.725842
Nuclear repulsion energy221.051068
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=FULL/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' 3321 3150 0.53      
2 A' 3309 3139 0.66      
3 A' 3285 3116 0.93      
4 A' 3173 3010 16.13      
5 A' 3080 2922 28.97      
6 A' 1638 1554 0.64      
7 A' 1534 1455 10.43      
8 A' 1521 1443 11.70      
9 A' 1436 1362 3.13      
10 A' 1417 1344 3.46      
11 A' 1300 1233 2.98      
12 A' 1267 1202 5.12      
13 A' 1251 1187 20.92      
14 A' 1115 1057 19.46      
15 A' 1064 1010 15.85      
16 A' 1020 967 2.78      
17 A' 988 937 3.22      
18 A' 891 846 19.22      
19 A' 647 613 2.13      
20 A' 313 297 0.76      
21 A" 3159 2996 16.21      
22 A" 1501 1424 6.80      
23 A" 1070 1015 0.50      
24 A" 803 762 0.24      
25 A" 758 719 73.79      
26 A" 699 663 0.52      
27 A" 622 590 14.14      
28 A" 573 543 2.04      
29 A" 257 243 3.78      
30 A" 119 113 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 21564.7 cm-1
Scaled (by 0.9486) Zero Point Vibrational Energy (zpe) 20456.3 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=FULL/6-311G**
ABC
0.29786 0.11223 0.08278

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.692 -1.467 0.000
C2 -1.076 -0.163 0.000
C3 0.663 -1.459 0.000
C4 0.000 0.682 0.000
C5 1.151 -0.183 0.000
C6 -0.008 2.179 0.000
H7 -2.142 0.011 0.000
H8 1.136 -2.429 0.000
H9 2.190 0.115 0.000
H10 -1.031 2.562 0.000
H11 0.502 2.573 0.884
H12 0.502 2.573 -0.884

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
O11.35921.35512.25772.24623.70942.07012.06643.28754.04324.30484.3048
C21.35922.16891.36822.22692.57391.07983.16723.27752.72533.28003.2800
C31.35512.16892.24171.36653.69933.16661.07932.19314.36374.13174.1317
C42.25771.36822.24171.43971.49672.24423.31242.26202.14422.14712.1471
C52.24622.22691.36651.43972.63043.29822.24631.08073.50662.96652.9665
C63.70942.57393.69931.49672.63043.04184.74783.01451.09311.09391.0939
H72.07011.07983.16662.24423.29823.04184.08674.33262.78203.78603.7860
H82.06643.16721.07933.31242.24634.74784.08672.75355.44165.11965.1196
H93.28753.27752.19312.26201.08073.01454.33262.75354.04513.11053.1105
H104.04322.72534.36372.14423.50661.09312.78205.44164.04511.76961.7696
H114.30483.28004.13172.14712.96651.09393.78605.11963.11051.76961.7680
H124.30483.28004.13172.14712.96651.09393.78605.11963.11051.76961.7680

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 111.746 O1 C2 H7 115.680
O1 C3 C5 111.241 O1 C3 H8 115.711
C2 O1 C3 106.081 C2 C4 C5 104.925
C2 C4 C6 127.857 C3 C5 C4 106.008
C3 C5 H9 126.920 C4 C2 H7 132.575
C4 C5 H9 127.073 C4 C6 H10 110.815
C4 C6 H11 111.006 C4 C6 H12 111.006
C5 C3 H8 133.049 C5 C4 C6 127.218
H10 C6 H11 108.026 H10 C6 H12 108.026
H11 C6 H12 107.830
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability