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

using model chemistry: HF/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HF/6-31G(2df,p)
 hartrees
Energy at 0K-267.693410
Energy at 298.15K-267.700428
HF Energy-267.693410
Nuclear repulsion energy223.263093
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 HF/6-31G(2df,p)
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' 3433 3108 2.71      
2 A' 3422 3098 3.52      
3 A' 3395 3074 2.75      
4 A' 3244 2938 27.47      
5 A' 3167 2868 38.59      
6 A' 1807 1636 2.18      
7 A' 1693 1533 24.87      
8 A' 1617 1464 4.40      
9 A' 1546 1400 0.95      
10 A' 1521 1377 3.27      
11 A' 1384 1253 2.66      
12 A' 1370 1241 5.85      
13 A' 1300 1177 21.94      
14 A' 1180 1068 10.10      
15 A' 1143 1035 45.52      
16 A' 1098 994 2.61      
17 A' 1033 935 1.01      
18 A' 958 867 28.92      
19 A' 678 614 3.71      
20 A' 337 305 1.06      
21 A" 3220 2916 30.72      
22 A" 1601 1449 4.40      
23 A" 1161 1051 1.11      
24 A" 984 891 0.15      
25 A" 914 827 37.76      
26 A" 857 776 13.99      
27 A" 681 617 0.67      
28 A" 659 597 24.56      
29 A" 288 261 2.26      
30 A" 159 144 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 22923.6 cm-1
Scaled (by 0.9055) Zero Point Vibrational Energy (zpe) 20757.3 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 HF/6-31G(2df,p)
ABC
0.30400 0.11400 0.08419

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.701 -1.433 0.000
C2 -1.065 -0.139 0.000
C3 0.637 -1.459 0.000
C4 0.000 0.670 0.000
C5 1.140 -0.221 0.000
C6 0.019 2.167 0.000
H7 -2.116 0.055 0.000
H8 1.091 -2.426 0.000
H9 2.175 0.048 0.000
H10 -0.989 2.568 0.000
H11 0.533 2.553 0.876
H12 0.533 2.553 -0.876

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
O11.34461.33732.21612.20313.67102.05392.04853.23494.01134.26354.2635
C21.34462.15361.33702.20612.54771.06883.14343.24582.70783.25053.2505
C31.33732.15362.22141.33563.67793.14151.06872.15374.34254.10784.1078
C42.21611.33702.22141.44641.49762.20353.28212.26242.14072.14452.1445
C52.20312.20611.33561.44642.63833.26742.20491.07043.50882.97222.9722
C63.67102.54773.67791.49762.63833.00284.71633.02341.08461.08641.0864
H72.05391.06883.14152.20353.26743.00284.05504.29152.75403.74473.7447
H82.04853.14341.06873.28212.20494.71634.05502.70105.40985.08635.0863
H93.23493.24582.15372.26241.07043.02344.29152.70104.04523.12123.1212
H104.01132.70784.34252.14073.50881.08462.75405.40984.04521.75571.7557
H114.26353.25054.10782.14452.97221.08643.74475.08633.12121.75571.7516
H124.26353.25054.10782.14452.97221.08643.74475.08633.12121.75571.7516

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 111.462 O1 C2 H7 116.182
O1 C3 C5 111.017 O1 C3 H8 116.291
C2 O1 C3 106.835 C2 C4 C5 104.788
C2 C4 C6 127.907 C3 C5 C4 105.898
C3 C5 H9 126.704 C4 C2 H7 132.356
C4 C5 H9 127.398 C4 C6 H10 110.987
C4 C6 H11 111.188 C4 C6 H12 111.188
C5 C3 H8 132.692 C5 C4 C6 127.305
H10 C6 H11 107.937 H10 C6 H12 107.937
H11 C6 H12 107.444
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.328      
2 C -0.004      
3 C 0.070      
4 C 0.093      
5 C -0.293      
6 C -0.476      
7 H 0.169      
8 H 0.173      
9 H 0.156      
10 H 0.145      
11 H 0.147      
12 H 0.147      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.519 0.777 0.000 0.935
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.858 -2.275 0.000
y -2.275 -33.364 0.000
z 0.000 0.000 -37.556
Traceless
 xyz
x 3.602 -2.275 0.000
y -2.275 1.342 0.000
z 0.000 0.000 -4.944
Polar
3z2-r2-9.889
x2-y21.507
xy-2.275
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.046 0.084 0.000
y 0.084 9.086 0.000
z 0.000 0.000 4.456


<r2> (average value of r2) Å2
<r2> 141.824
(<r2>)1/2 11.909