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

using model chemistry: PBE1PBE/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 PBE1PBE/6-31G*
 hartrees
Energy at 0K-269.027235
Energy at 298.15K-269.033871
HF Energy-269.027235
Nuclear repulsion energy221.624818
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 PBE1PBE/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' 3325 3159 1.04      
2 A' 3315 3150 1.14      
3 A' 3286 3123 1.62      
4 A' 3158 3001 15.90      
5 A' 3068 2916 30.60      
6 A' 1685 1601 1.76      
7 A' 1577 1498 15.15      
8 A' 1526 1450 6.79      
9 A' 1449 1377 4.80      
10 A' 1436 1365 1.17      
11 A' 1309 1244 5.06      
12 A' 1280 1217 2.10      
13 A' 1252 1189 16.48      
14 A' 1123 1067 17.22      
15 A' 1082 1028 20.56      
16 A' 1026 975 4.77      
17 A' 989 940 2.05      
18 A' 897 853 22.26      
19 A' 652 620 2.32      
20 A' 317 301 0.99      
21 A" 3132 2976 17.69      
22 A" 1510 1435 6.89      
23 A" 1076 1022 3.32      
24 A" 854 811 1.89      
25 A" 787 748 54.63      
26 A" 736 699 4.83      
27 A" 631 600 5.18      
28 A" 628 597 12.66      
29 A" 267 254 2.88      
30 A" 129 123 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 21749.9 cm-1
Scaled (by 0.9503) Zero Point Vibrational Energy (zpe) 20668.9 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 PBE1PBE/6-31G*
ABC
0.29941 0.11283 0.08322

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.688 -1.457 0.000
C2 -1.074 -0.156 0.000
C3 0.665 -1.459 0.000
C4 0.000 0.677 0.000
C5 1.145 -0.190 0.000
C6 -0.009 2.170 0.000
H7 -2.141 0.017 0.000
H8 1.133 -2.432 0.000
H9 2.185 0.106 0.000
H10 -1.031 2.560 0.000
H11 0.501 2.574 0.882
H12 0.501 2.574 -0.882

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
O11.35641.35302.24232.22803.69022.06912.06573.27094.03144.29424.2942
C21.35642.17281.36012.21932.55921.08033.17023.27042.71693.27383.2738
C31.35302.17282.23741.35673.69133.16991.07982.18174.36234.13154.1315
C42.24231.36012.23741.43601.49302.24033.30942.25902.14672.15112.1511
C52.22802.21931.35671.43602.62703.29182.24231.08193.50672.97172.9717
C63.69022.55923.69131.49302.62703.03034.74203.01311.09431.09641.0964
H72.06911.08033.16992.24033.29183.03034.08814.32702.77463.78143.7814
H82.06573.17021.07983.30942.24234.74204.08812.74745.44115.12235.1223
H93.27093.27042.18172.25901.08193.01314.32702.74744.04633.11563.1156
H104.03142.71694.36232.14673.50671.09432.77465.44114.04631.76881.7688
H114.29423.27384.13152.15112.97171.09643.78145.12233.11561.76881.7648
H124.29423.27384.13152.15112.97171.09643.78145.12233.11561.76881.7648

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 111.272 O1 C2 H7 115.774
O1 C3 C5 110.617 O1 C3 H8 115.771
C2 O1 C3 106.637 C2 C4 C5 105.033
C2 C4 C6 127.474 C3 C5 C4 106.441
C3 C5 H9 126.555 C4 C2 H7 132.953
C4 C5 H9 127.004 C4 C6 H10 111.204
C4 C6 H11 111.427 C4 C6 H12 111.427
C5 C3 H8 133.612 C5 C4 C6 127.493
H10 C6 H11 107.695 H10 C6 H12 107.695
H11 C6 H12 107.189
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.404      
2 C 0.017      
3 C 0.055      
4 C 0.064      
5 C -0.246      
6 C -0.594      
7 H 0.183      
8 H 0.188      
9 H 0.174      
10 H 0.184      
11 H 0.190      
12 H 0.190      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.436 0.772 0.000 0.886
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.479 -2.065 0.000
y -2.065 -32.827 0.000
z 0.000 0.000 -37.361
Traceless
 xyz
x 3.614 -2.065 0.000
y -2.065 1.593 0.000
z 0.000 0.000 -5.208
Polar
3z2-r2-10.416
x2-y21.347
xy-2.065
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.200 -0.116 0.000
y -0.116 9.279 0.000
z 0.000 0.000 4.026


<r2> (average value of r2) Å2
<r2> 143.018
(<r2>)1/2 11.959