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

using model chemistry: B3LYP/CEP-121G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3LYP/CEP-121G*
 hartrees
Energy at 0K-47.818186
Energy at 298.15K-47.824741
HF Energy-47.818186
Nuclear repulsion energy114.768203
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 B3LYP/CEP-121G*
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' 3261 3161 2.46      
2 A' 3252 3152 3.78      
3 A' 3220 3122 4.65      
4 A' 3093 2998 30.09      
5 A' 3014 2921 46.77      
6 A' 1618 1568 1.20      
7 A' 1515 1468 14.98      
8 A' 1506 1460 7.59      
9 A' 1426 1382 0.53      
10 A' 1385 1343 3.74      
11 A' 1266 1227 3.73      
12 A' 1259 1221 1.86      
13 A' 1180 1144 17.36      
14 A' 1078 1045 16.02      
15 A' 1043 1011 29.73      
16 A' 1005 974 3.36      
17 A' 963 933 1.87      
18 A' 875 848 23.02      
19 A' 628 609 2.77      
20 A' 308 299 1.00      
21 A" 3066 2972 31.80      
22 A" 1496 1450 6.23      
23 A" 1059 1027 1.38      
24 A" 844 819 7.35      
25 A" 773 750 72.05      
26 A" 724 702 8.47      
27 A" 617 598 3.14      
28 A" 605 587 14.60      
29 A" 261 253 3.22      
30 A" 132 128 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 21235.0 cm-1
Scaled (by 0.9694) Zero Point Vibrational Energy (zpe) 20585.2 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 B3LYP/CEP-121G*
ABC
0.29307 0.11038 0.08140

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-121G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.701 -1.474 0.000
C2 -1.088 -0.150 0.000
C3 0.672 -1.477 0.000
C4 0.000 0.684 0.000
C5 1.155 -0.196 0.000
C6 -0.002 2.195 0.000
H7 -2.157 0.024 0.000
H8 1.140 -2.453 0.000
H9 2.200 0.098 0.000
H10 -1.025 2.590 0.000
H11 0.512 2.596 0.885
H12 0.512 2.596 -0.885

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
O11.37901.37332.26822.25363.73502.08832.08513.29894.07614.33734.3373
C21.37902.20431.37062.24392.58461.08293.20433.29702.74033.29853.2985
C31.37332.20432.26241.36893.73353.20241.08272.19354.40644.17054.1705
C42.26821.37062.26241.45211.51182.25563.33752.27642.16422.16812.1681
C52.25362.24391.36891.45212.65673.31972.25751.08473.53752.99842.9984
C63.73502.58463.73351.51182.65673.05964.78683.04101.09651.09861.0986
H72.08831.08293.20242.25563.31973.05964.12334.35722.80463.81053.8105
H82.08513.20431.08273.33752.25754.78684.12332.76265.48795.16435.1643
H93.29893.29702.19352.27641.08473.04104.35722.76264.07543.14203.1420
H104.07612.74034.40642.16423.53751.09652.80465.48794.07541.77331.7733
H114.33733.29854.17052.16812.99841.09863.81055.16433.14201.77331.7696
H124.33733.29854.17052.16812.99841.09863.81055.16433.14201.77331.7696

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 111.161 O1 C2 H7 115.518
O1 C3 C5 110.538 O1 C3 H8 115.699
C2 O1 C3 106.428 C2 C4 C5 105.266
C2 C4 C6 127.384 C3 C5 C4 106.608
C3 C5 H9 126.375 C4 C2 H7 133.322
C4 C5 H9 127.018 C4 C6 H10 111.145
C4 C6 H11 111.330 C4 C6 H12 111.330
C5 C3 H8 133.763 C5 C4 C6 127.349
H10 C6 H11 107.772 H10 C6 H12 107.772
H11 C6 H12 107.303
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-121G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.119      
2 C -0.404      
3 C -0.206      
4 C 0.431      
5 C -0.209      
6 C -0.660      
7 H 0.208      
8 H 0.199      
9 H 0.231      
10 H 0.176      
11 H 0.176      
12 H 0.176      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.500 0.885 0.000 1.017
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.079 -2.213 0.000
y -2.213 -33.537 0.000
z 0.000 0.000 -38.246
Traceless
 xyz
x 3.813 -2.213 0.000
y -2.213 1.625 0.000
z 0.000 0.000 -5.438
Polar
3z2-r2-10.875
x2-y21.458
xy-2.213
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.148 -0.111 0.000
y -0.111 10.284 0.000
z 0.000 0.000 5.240


<r2> (average value of r2) Å2
<r2> 119.737
(<r2>)1/2 10.942