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

using model chemistry: PBEPBE/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 PBEPBE/6-31G
 hartrees
Energy at 0K-268.935004
Energy at 298.15K-268.941483
HF Energy-268.935004
Nuclear repulsion energy217.927208
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 PBEPBE/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' 3273 3228 0.40      
2 A' 3263 3218 0.36      
3 A' 3217 3173 2.61      
4 A' 3074 3031 17.70      
5 A' 2978 2937 34.50      
6 A' 1605 1583 3.08      
7 A' 1497 1476 12.86      
8 A' 1489 1469 2.80      
9 A' 1419 1399 2.72      
10 A' 1377 1358 6.77      
11 A' 1254 1237 0.29      
12 A' 1228 1211 1.03      
13 A' 1142 1126 15.51      
14 A' 1044 1030 7.82      
15 A' 1008 994 5.90      
16 A' 996 982 14.43      
17 A' 964 951 2.04      
18 A' 856 845 26.28      
19 A' 632 624 2.20      
20 A' 318 313 0.99      
21 A" 3042 3000 21.70      
22 A" 1486 1465 8.83      
23 A" 1064 1049 6.23      
24 A" 836 825 3.08      
25 A" 749 739 73.02      
26 A" 704 695 2.74      
27 A" 610 601 4.34      
28 A" 596 588 15.40      
29 A" 261 257 2.64      
30 A" 115 113 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 21047.8 cm-1
Scaled (by 0.9862) Zero Point Vibrational Energy (zpe) 20757.4 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 PBEPBE/6-31G
ABC
0.28732 0.11005 0.08079

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.718 -1.482 0.000
C2 -1.107 -0.131 0.000
C3 0.685 -1.485 0.000
C4 0.000 0.687 0.000
C5 1.153 -0.195 0.000
C6 0.019 2.189 0.000
H7 -2.177 0.047 0.000
H8 1.149 -2.465 0.000
H9 2.196 0.113 0.000
H10 -1.003 2.602 0.000
H11 0.541 2.587 0.889
H12 0.541 2.587 -0.889

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
O11.40611.40312.28542.27123.74452.11302.10953.32244.09474.35154.3515
C21.40612.24641.37702.26162.57901.08413.24583.31272.73563.30083.3008
C31.40312.24642.27821.37233.73443.24591.08372.19954.42274.17094.1709
C42.28541.37702.27821.45251.50182.26913.35512.27042.16192.16602.1660
C52.27122.26161.37231.45252.64083.33892.26951.08763.53262.98482.9848
C63.74452.57903.73441.50182.64083.06764.78923.00911.10231.10511.1051
H72.11301.08413.24592.26913.33893.06764.16714.37362.81243.82483.8248
H82.10953.24581.08373.35512.26954.78924.16712.78245.50535.16565.1656
H93.32243.31272.19952.27041.08763.00914.37362.78244.05433.10733.1073
H104.09472.73564.42272.16193.53261.10232.81245.50534.05431.78161.7816
H114.35153.30084.17092.16602.98481.10513.82485.16563.10731.78161.7779
H124.35153.30084.17092.16602.98481.10513.82485.16563.10731.78161.7779

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 110.406 O1 C2 H7 115.499
O1 C3 C5 109.829 O1 C3 H8 115.452
C2 O1 C3 106.194 C2 C4 C5 106.094
C2 C4 C6 127.185 C3 C5 C4 107.477
C3 C5 H9 126.409 C4 C2 H7 134.096
C4 C5 H9 126.114 C4 C6 H10 111.313
C4 C6 H11 111.475 C4 C6 H12 111.475
C5 C3 H8 134.719 C5 C4 C6 126.721
H10 C6 H11 107.626 H10 C6 H12 107.626
H11 C6 H12 107.109
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.440      
2 C 0.045      
3 C 0.045      
4 C 0.032      
5 C -0.149      
6 C -0.525      
7 H 0.170      
8 H 0.173      
9 H 0.147      
10 H 0.162      
11 H 0.171      
12 H 0.171      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.670 1.153 0.000 1.333
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.890 -2.678 0.000
y -2.678 -33.497 0.000
z 0.000 0.000 -37.749
Traceless
 xyz
x 3.733 -2.678 0.000
y -2.678 1.322 0.000
z 0.000 0.000 -5.055
Polar
3z2-r2-10.111
x2-y21.608
xy-2.678
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.415 -0.160 0.000
y -0.160 9.522 0.000
z 0.000 0.000 3.831


<r2> (average value of r2) Å2
<r2> 146.792
(<r2>)1/2 12.116