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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-268.582677
Energy at 298.15K-268.589171
HF Energy-267.714840
Nuclear repulsion energy220.832378
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' 3311 3147 0.87      
2 A' 3298 3134 1.00      
3 A' 3274 3111 1.20      
4 A' 3169 3011 16.56      
5 A' 3077 2924 28.54      
6 A' 1639 1557 1.10      
7 A' 1539 1462 3.23      
8 A' 1533 1457 19.46      
9 A' 1454 1382 3.58      
10 A' 1418 1347 5.00      
11 A' 1302 1237 1.72      
12 A' 1273 1210 2.60      
13 A' 1249 1187 25.51      
14 A' 1115 1060 18.73      
15 A' 1068 1015 19.84      
16 A' 1023 973 2.90      
17 A' 988 939 3.30      
18 A' 892 847 20.09      
19 A' 647 614 2.29      
20 A' 315 299 0.88      
21 A" 3155 2998 16.49      
22 A" 1521 1445 8.70      
23 A" 1068 1015 0.73      
24 A" 763 725 0.26      
25 A" 739 702 84.55      
26 A" 671 638 0.00      
27 A" 620 590 16.37      
28 A" 565 537 1.09      
29 A" 255 243 4.12      
30 A" 117 111 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 21527.5 cm-1
Scaled (by 0.9503) Zero Point Vibrational Energy (zpe) 20457.6 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
0.29740 0.11197 0.08259

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 -0.694 -1.468 0.000
C2 -1.077 -0.163 0.000
C3 0.662 -1.461 0.000
C4 0.000 0.683 0.000
C5 1.151 -0.184 0.000
C6 -0.005 2.181 0.000
H7 -2.144 0.009 0.000
H8 1.134 -2.433 0.000
H9 2.192 0.112 0.000
H10 -1.027 2.568 0.000
H11 0.505 2.577 0.883
H12 0.505 2.577 -0.883

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
O11.36061.35632.26082.24843.71432.07052.06733.29084.05054.31064.3106
C21.36062.17051.36952.22852.57771.08103.16933.28062.73163.28433.2843
C31.35632.17052.24451.36773.70343.16841.08052.19494.36954.13664.1366
C42.26081.36952.24451.44161.49832.24763.31642.26512.14682.14942.1494
C52.24842.22851.36771.44162.63333.30132.24911.08213.51032.97002.9700
C63.71432.57773.70341.49832.63333.04854.75333.01801.09271.09341.0934
H72.07051.08103.16842.24763.30133.04854.08844.33752.79213.79313.7931
H82.06733.16931.08053.31642.24914.75334.08842.75675.44865.12615.1261
H93.29083.28062.19492.26511.08213.01804.33752.75674.04893.11443.1144
H104.05052.73164.36952.14683.51031.09272.79215.44864.04891.76791.7679
H114.31063.28434.13662.14942.97001.09343.79315.12613.11441.76791.7655
H124.31063.28434.13662.14942.97001.09343.79315.12613.11441.76791.7655

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 111.806 O1 C2 H7 115.512
O1 C3 C5 111.260 O1 C3 H8 115.613
C2 O1 C3 106.045 C2 C4 C5 104.858
C2 C4 C6 127.954 C3 C5 C4 106.031
C3 C5 H9 126.878 C4 C2 H7 132.682
C4 C5 H9 127.091 C4 C6 H10 110.933
C4 C6 H11 111.103 C4 C6 H12 111.103
C5 C3 H8 133.127 C5 C4 C6 127.188
H10 C6 H11 107.940 H10 C6 H12 107.940
H11 C6 H12 107.674
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability