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

using model chemistry: HF/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 HF/6-31G
 hartrees
Energy at 0K-267.548717
Energy at 298.15K-267.555758
HF Energy-267.548717
Nuclear repulsion energy221.475812
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
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' 3511 3170 0.37      
2 A' 3500 3160 0.42      
3 A' 3445 3110 3.29      
4 A' 3267 2949 26.72      
5 A' 3188 2878 36.63      
6 A' 1806 1631 2.66      
7 A' 1677 1514 20.99      
8 A' 1654 1493 6.15      
9 A' 1591 1437 3.30      
10 A' 1526 1378 5.63      
11 A' 1391 1256 0.48      
12 A' 1368 1235 2.36      
13 A' 1279 1155 18.25      
14 A' 1165 1052 5.85      
15 A' 1130 1020 6.59      
16 A' 1102 995 46.22      
17 A' 1053 951 1.77      
18 A' 958 865 43.96      
19 A' 689 622 4.56      
20 A' 352 318 1.08      
21 A" 3245 2930 30.70      
22 A" 1643 1484 7.75      
23 A" 1205 1088 4.50      
24 A" 1054 952 0.24      
25 A" 939 848 47.49      
26 A" 885 799 30.34      
27 A" 698 630 5.29      
28 A" 652 589 40.55      
29 A" 295 266 2.45      
30 A" 140 126 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 23202.5 cm-1
Scaled (by 0.9029) Zero Point Vibrational Energy (zpe) 20949.6 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
ABC
0.29686 0.11313 0.08316

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.719 -1.424 0.000
C2 -1.100 -0.106 0.000
C3 0.645 -1.489 0.000
C4 0.000 0.673 0.000
C5 1.137 -0.237 0.000
C6 0.055 2.167 0.000
H7 -2.142 0.103 0.000
H8 1.092 -2.454 0.000
H9 2.169 0.034 0.000
H10 -0.941 2.593 0.000
H11 0.576 2.539 0.875
H12 0.576 2.539 -0.875

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
O11.37161.36502.21662.20343.67312.08782.08323.23514.02344.26034.2603
C21.37162.22581.34762.24082.54921.06363.21143.27142.70423.25143.2514
C31.36502.22582.25611.34573.70323.20981.06312.15514.37954.12314.1231
C42.21661.34762.25611.45661.49492.21663.31162.26092.13852.14042.1404
C52.20342.24081.34571.45662.63643.29732.21701.06653.51142.96482.9648
C63.67312.54923.70321.49492.63643.01384.73533.00291.08291.08461.0846
H72.08781.06363.20982.21663.29733.01384.12294.31162.76463.75323.7532
H82.08323.21141.06313.31162.21704.73534.12292.71095.44095.09525.0952
H93.23513.27142.15512.26091.06653.00294.31162.71094.02723.09503.0950
H104.02342.70424.37952.13853.51141.08292.76465.44094.02721.75171.7517
H114.26033.25144.12312.14042.96481.08463.75325.09523.09501.75171.7503
H124.26033.25144.12312.14042.96481.08463.75325.09523.09501.75171.7503

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 109.208 O1 C2 H7 117.484
O1 C3 C5 108.747 O1 C3 H8 117.634
C2 O1 C3 108.852 C2 C4 C5 106.021
C2 C4 C6 127.414 C3 C5 C4 107.171
C3 C5 H9 126.226 C4 C2 H7 133.308
C4 C5 H9 126.602 C4 C6 H10 111.106
C4 C6 H11 111.155 C4 C6 H12 111.155
C5 C3 H8 133.619 C5 C4 C6 126.565
H10 C6 H11 107.837 H10 C6 H12 107.837
H11 C6 H12 107.586
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.677      
2 C 0.133      
3 C 0.151      
4 C -0.105      
5 C -0.257      
6 C -0.452      
7 H 0.235      
8 H 0.236      
9 H 0.222      
10 H 0.167      
11 H 0.173      
12 H 0.173      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.950 1.362 0.000 1.660
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.373 -3.557 0.000
y -3.557 -34.440 0.000
z 0.000 0.000 -38.473
Traceless
 xyz
x 4.084 -3.557 0.000
y -3.557 0.984 0.000
z 0.000 0.000 -5.067
Polar
3z2-r2-10.134
x2-y22.067
xy-3.557
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.773 0.171 0.000
y 0.171 8.615 0.000
z 0.000 0.000 3.654


<r2> (average value of r2) Å2
<r2> 143.671
(<r2>)1/2 11.986