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

using model chemistry: B3LYP/CEP-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 B3LYP/CEP-31G
 hartrees
Energy at 0K-47.722461
Energy at 298.15K-47.729005
HF Energy-47.722461
Nuclear repulsion energy113.229639
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-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' 3306 3202 0.93      
2 A' 3296 3192 1.14      
3 A' 3253 3151 1.93      
4 A' 3128 3029 37.51      
5 A' 3036 2940 46.64      
6 A' 1626 1575 2.33      
7 A' 1511 1463 18.47      
8 A' 1505 1457 3.79      
9 A' 1439 1394 3.97      
10 A' 1398 1354 4.98      
11 A' 1265 1225 0.40      
12 A' 1250 1210 2.82      
13 A' 1167 1130 17.57      
14 A' 1060 1027 6.05      
15 A' 1017 985 21.17      
16 A' 1005 973 17.93      
17 A' 969 938 2.33      
18 A' 860 833 25.76      
19 A' 629 609 2.95      
20 A' 308 298 1.09      
21 A" 3103 3005 44.75      
22 A" 1499 1451 11.29      
23 A" 1073 1039 8.68      
24 A" 913 885 6.56      
25 A" 799 774 116.07      
26 A" 757 733 11.66      
27 A" 614 595 4.51      
28 A" 588 570 21.13      
29 A" 260 252 3.96      
30 A" 121 117 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 21377.0 cm-1
Scaled (by 0.9684) Zero Point Vibrational Energy (zpe) 20701.5 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-31G
ABC
0.28361 0.10778 0.07927

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.713 -1.495 0.000
C2 -1.114 -0.143 0.000
C3 0.691 -1.500 0.000
C4 0.000 0.695 0.000
C5 1.169 -0.194 0.000
C6 0.004 2.218 0.000
H7 -2.184 0.028 0.000
H8 1.158 -2.479 0.000
H9 2.213 0.108 0.000
H10 -1.023 2.619 0.000
H11 0.523 2.615 0.891
H12 0.523 2.615 -0.891

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
O11.40971.40412.30322.28873.78122.11732.11443.33664.12594.38334.3833
C21.40972.25791.39442.28412.61221.08383.25843.33662.76433.32893.3289
C31.40412.25792.30121.39133.78073.25591.08462.21424.46174.21384.2138
C42.30321.39442.30121.46881.52262.28393.37842.28952.17942.18022.1802
C52.28872.28411.39131.46882.67843.36102.28501.08633.56653.01683.0168
C63.78122.61223.78071.52262.67843.09534.83623.05491.10251.10491.1049
H72.11731.08383.25592.28393.36103.09534.17804.39802.83963.84893.8489
H82.11443.25841.08463.37842.28504.83624.17802.79345.54515.21005.2100
H93.33663.33662.21422.28951.08633.05494.39802.79344.09633.15223.1522
H104.12592.76434.46172.17943.56651.10252.83965.54514.09631.78401.7840
H114.38333.32894.21382.18023.01681.10493.84895.21003.15221.78401.7813
H124.38333.32894.21382.18023.01681.10493.84895.21003.15221.78401.7813

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 110.447 O1 C2 H7 115.620
O1 C3 C5 109.915 O1 C3 H8 115.739
C2 O1 C3 106.725 C2 C4 C5 105.803
C2 C4 C6 127.098 C3 C5 C4 107.110
C3 C5 H9 126.243 C4 C2 H7 133.933
C4 C5 H9 126.646 C4 C6 H10 111.236
C4 C6 H11 111.152 C4 C6 H12 111.152
C5 C3 H8 134.346 C5 C4 C6 127.100
H10 C6 H11 107.845 H10 C6 H12 107.845
H11 C6 H12 107.438
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.108      
2 C -0.410      
3 C -0.442      
4 C -0.004      
5 C -0.027      
6 C -0.401      
7 H 0.314      
8 H 0.286      
9 H 0.338      
10 H 0.163      
11 H 0.146      
12 H 0.146      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.832 1.392 0.000 1.621
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.849 -3.135 0.000
y -3.135 -33.946 0.000
z 0.000 0.000 -38.323
Traceless
 xyz
x 4.286 -3.135 0.000
y -3.135 1.140 0.000
z 0.000 0.000 -5.426
Polar
3z2-r2-10.851
x2-y22.097
xy-3.135
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.493 -0.025 0.000
y -0.025 9.731 0.000
z 0.000 0.000 4.295


<r2> (average value of r2) Å2
<r2> 122.204
(<r2>)1/2 11.055