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

using model chemistry: HF/6-31+G**

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/6-31+G**
 hartrees
Energy at 0K-267.682227
Energy at 298.15K-267.689233
HF Energy-267.682227
Nuclear repulsion energy222.811948
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/6-31+G**
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' 3460 3128 0.90      
2 A' 3450 3120 1.46      
3 A' 3413 3086 2.64      
4 A' 3258 2946 30.15      
5 A' 3182 2877 42.37      
6 A' 1803 1631 0.75      
7 A' 1687 1525 30.24      
8 A' 1621 1465 5.98      
9 A' 1553 1404 2.27      
10 A' 1528 1382 2.84      
11 A' 1384 1252 2.05      
12 A' 1375 1243 5.05      
13 A' 1304 1180 21.88      
14 A' 1180 1067 9.09      
15 A' 1145 1035 58.93      
16 A' 1100 995 1.65      
17 A' 1039 939 1.38      
18 A' 957 866 28.78      
19 A' 680 615 3.93      
20 A' 341 308 0.97      
21 A" 3237 2927 26.98      
22 A" 1605 1451 6.09      
23 A" 1162 1051 0.67      
24 A" 1002 906 0.32      
25 A" 910 823 61.89      
26 A" 852 770 27.34      
27 A" 677 613 1.79      
28 A" 652 590 33.54      
29 A" 286 259 3.98      
30 A" 154 139 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 22999.4 cm-1
Scaled (by 0.9042) Zero Point Vibrational Energy (zpe) 20796.0 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/6-31+G**
ABC
0.30273 0.11359 0.08387

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.703 -1.435 0.000
C2 -1.071 -0.138 0.000
C3 0.638 -1.463 0.000
C4 0.000 0.671 0.000
C5 1.139 -0.219 0.000
C6 0.025 2.170 0.000
H7 -2.123 0.055 0.000
H8 1.093 -2.430 0.000
H9 2.176 0.051 0.000
H10 -0.981 2.575 0.000
H11 0.539 2.552 0.877
H12 0.539 2.552 -0.877

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
O11.34901.34052.22072.20693.67842.05862.05323.23934.02014.26724.2672
C21.34902.16271.34232.21162.55501.06893.15293.25232.71423.25513.2551
C31.34052.16272.22791.34143.68533.15031.06872.15834.35104.11134.1113
C42.22071.34232.22791.44581.49942.21013.28842.26242.14192.14392.1439
C52.20692.21161.34141.44582.63683.27302.21121.07133.50782.96792.9679
C63.67842.55503.68531.49942.63683.01404.72303.02011.08431.08571.0857
H72.05861.06893.15032.21013.27303.01404.06444.29822.76613.75323.7532
H82.05323.15291.06873.28842.21124.72304.06442.70645.41825.08885.0888
H93.23933.25232.15832.26241.07133.02014.29822.70644.04233.11513.1151
H104.02012.71424.35102.14193.50781.08432.76615.41824.04231.75531.7553
H114.26723.25514.11132.14392.96791.08573.75325.08883.11511.75531.7533
H124.26723.25514.11132.14392.96791.08573.75325.08883.11511.75531.7533

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 111.209 O1 C2 H7 116.251
O1 C3 C5 110.746 O1 C3 H8 116.460
C2 O1 C3 107.056 C2 C4 C5 104.914
C2 C4 C6 127.998 C3 C5 C4 106.075
C3 C5 H9 126.544 C4 C2 H7 132.540
C4 C5 H9 127.381 C4 C6 H10 110.972
C4 C6 H11 111.044 C4 C6 H12 111.044
C5 C3 H8 132.794 C5 C4 C6 127.088
H10 C6 H11 107.971 H10 C6 H12 107.971
H11 C6 H12 107.693
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.358      
2 C 0.029      
3 C -0.004      
4 C 0.071      
5 C 0.015      
6 C -0.706      
7 H 0.177      
8 H 0.177      
9 H 0.180      
10 H 0.137      
11 H 0.141      
12 H 0.141      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.583 0.961 0.000 1.124
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.596 -2.515 0.000
y -2.515 -34.054 0.000
z 0.000 0.000 -38.948
Traceless
 xyz
x 3.905 -2.515 0.000
y -2.515 1.718 0.000
z 0.000 0.000 -5.623
Polar
3z2-r2-11.246
x2-y21.458
xy-2.515
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.665 0.166 0.000
y 0.166 9.541 0.000
z 0.000 0.000 5.835


<r2> (average value of r2) Å2
<r2> 142.832
(<r2>)1/2 11.951