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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-268.149425
Energy at 298.15K-268.155901
HF Energy-267.542589
Nuclear repulsion energy217.277947
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' 3292 3159 1.31      
2 A' 3277 3145 1.63      
3 A' 3231 3100 2.75      
4 A' 3091 2966 22.83      
5 A' 3016 2894 29.54      
6 A' 1661 1593 0.19      
7 A' 1558 1495 8.38      
8 A' 1539 1477 10.68      
9 A' 1483 1423 1.83      
10 A' 1408 1351 6.97      
11 A' 1285 1233 0.11      
12 A' 1262 1211 1.40      
13 A' 1188 1140 31.42      
14 A' 1086 1042 7.86      
15 A' 1046 1004 5.96      
16 A' 1008 967 25.04      
17 A' 977 938 0.81      
18 A' 876 841 33.30      
19 A' 637 612 3.22      
20 A' 328 315 0.85      
21 A" 3079 2954 25.84      
22 A" 1538 1476 6.47      
23 A" 1103 1058 1.34      
24 A" 785 754 3.18      
25 A" 729 700 67.81      
26 A" 696 668 0.01      
27 A" 582 558 26.75      
28 A" 575 552 1.96      
29 A" 252 241 1.59      
30 A" 117 113 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 21351.7 cm-1
Scaled (by 0.9595) Zero Point Vibrational Energy (zpe) 20487.0 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
0.28505 0.10935 0.08024

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 -0.734 -1.478 0.000
C2 -1.112 -0.118 0.000
C3 0.676 -1.496 0.000
C4 0.000 0.687 0.000
C5 1.158 -0.213 0.000
C6 0.040 2.200 0.000
H7 -2.179 0.073 0.000
H8 1.133 -2.478 0.000
H9 2.204 0.083 0.000
H10 -0.981 2.615 0.000
H11 0.562 2.587 0.891
H12 0.562 2.587 -0.891

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
O11.41181.41032.28602.27553.75892.12002.11783.32744.10114.35894.3589
C21.41182.25751.37232.27132.58841.08433.25733.32202.73653.30343.3034
C31.41032.25752.28511.37013.75063.25801.08332.19764.43314.18084.1808
C42.28601.37232.28511.46621.51402.26393.36172.28532.16412.17292.1729
C52.27552.27131.37011.46622.65973.34892.26531.08793.54632.99842.9984
C63.75892.58843.75061.51402.65973.07394.80463.02741.10241.10321.1032
H72.12001.08433.25802.26393.34893.07394.18074.38332.81053.82483.8248
H82.11783.25731.08333.36172.26534.80464.18072.77685.51525.17485.1748
H93.32743.32202.19762.28531.08793.02744.38332.77684.06933.12393.1239
H104.10112.73654.43312.16413.54631.10242.81055.51524.06931.78271.7827
H114.35893.30344.18082.17292.99841.10323.82485.17483.12391.78271.7829
H124.35893.30344.18082.17292.99841.10323.82485.17483.12391.78271.7829

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 110.376 O1 C2 H7 115.657
O1 C3 C5 109.841 O1 C3 H8 115.652
C2 O1 C3 106.244 C2 C4 C5 106.241
C2 C4 C6 127.405 C3 C5 C4 107.298
C3 C5 H9 126.389 C4 C2 H7 133.967
C4 C5 H9 126.312 C4 C6 H10 110.618
C4 C6 H11 111.279 C4 C6 H12 111.279
C5 C3 H8 134.507 C5 C4 C6 126.355
H10 C6 H11 107.848 H10 C6 H12 107.848
H11 C6 H12 107.816
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability