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

using model chemistry: CCD/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 CCD/6-31G**
 hartrees
Energy at 0K-268.558357
Energy at 298.15K-268.564997
HF Energy-267.673151
Nuclear repulsion energy221.058018
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 CCD/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' 3363 3153 1.96      
2 A' 3351 3142 2.27      
3 A' 3327 3119 1.73      
4 A' 3205 3005 20.14      
5 A' 3115 2921 29.62      
6 A' 1717 1610 0.17      
7 A' 1607 1506 19.30      
8 A' 1564 1467 4.66      
9 A' 1482 1390 0.95      
10 A' 1461 1370 3.90      
11 A' 1323 1240 4.87      
12 A' 1310 1228 1.44      
13 A' 1272 1192 29.51      
14 A' 1132 1061 8.39      
15 A' 1087 1019 33.21      
16 A' 1046 981 1.76      
17 A' 997 935 1.38      
18 A' 902 846 22.31      
19 A' 653 613 2.79      
20 A' 321 301 0.79      
21 A" 3188 2989 22.29      
22 A" 1545 1449 4.24      
23 A" 1096 1027 0.55      
24 A" 832 781 0.59      
25 A" 783 734 54.68      
26 A" 737 691 1.69      
27 A" 616 577 16.13      
28 A" 594 557 1.48      
29 A" 262 246 2.06      
30 A" 128 120 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 22008.2 cm-1
Scaled (by 0.9376) Zero Point Vibrational Energy (zpe) 20634.9 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 CCD/6-31G**
ABC
0.29742 0.11228 0.08276

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.699 -1.461 0.000
C2 -1.078 -0.149 0.000
C3 0.665 -1.463 0.000
C4 0.000 0.678 0.000
C5 1.148 -0.196 0.000
C6 0.001 2.177 0.000
H7 -2.139 0.033 0.000
H8 1.132 -2.432 0.000
H9 2.185 0.094 0.000
H10 -1.017 2.565 0.000
H11 0.510 2.571 0.881
H12 0.510 2.571 -0.881

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
O11.36621.36342.25062.23843.70512.07522.07243.27644.03884.30074.3007
C21.36622.18321.35892.22642.56421.07583.17783.27252.71453.27043.2704
C31.36342.18322.24251.35673.70083.17781.07522.17644.36564.13254.1325
C42.25061.35892.24251.44251.49902.23383.30972.26202.14372.14912.1491
C52.23842.22641.35671.44252.63563.29422.23601.07723.50842.97272.9727
C63.70512.56423.70081.49902.63563.02894.74583.01881.08961.09081.0908
H72.07521.07583.17782.23383.29423.02894.09574.32422.76903.77253.7725
H82.07243.17781.07523.30972.23604.74584.09572.73605.43965.11775.1177
H93.27643.27252.17642.26201.07723.01884.32422.73604.04533.11763.1176
H104.03882.71454.36562.14373.50841.08962.76905.43964.04531.76311.7631
H114.30073.27044.13252.14912.97271.09083.77255.11773.11761.76311.7611
H124.30073.27044.13252.14912.97271.09083.77255.11773.11761.76311.7611

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 111.358 O1 C2 H7 115.863
O1 C3 C5 110.755 O1 C3 H8 115.880
C2 O1 C3 106.227 C2 C4 C5 105.222
C2 C4 C6 127.517 C3 C5 C4 106.438
C3 C5 H9 126.435 C4 C2 H7 132.780
C4 C5 H9 127.127 C4 C6 H10 110.817
C4 C6 H11 111.180 C4 C6 H12 111.180
C5 C3 H8 133.365 C5 C4 C6 127.261
H10 C6 H11 107.926 H10 C6 H12 107.926
H11 C6 H12 107.661
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability