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

using model chemistry: B1B95/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B1B95/STO-3G
 hartrees
Energy at 0K-265.872258
Energy at 298.15K-265.878582
HF Energy-265.872258
Nuclear repulsion energy218.454695
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 B1B95/STO-3G
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' 3562 3145 9.81      
2 A' 3539 3125 22.54      
3 A' 3526 3113 21.39      
4 A' 3522 3110 0.01      
5 A' 3340 2950 1.54      
6 A' 1789 1580 4.12      
7 A' 1681 1485 4.80      
8 A' 1667 1472 6.03      
9 A' 1575 1390 0.03      
10 A' 1523 1344 12.17      
11 A' 1375 1214 3.07      
12 A' 1366 1206 3.78      
13 A' 1290 1139 4.08      
14 A' 1159 1023 0.73      
15 A' 1115 985 7.48      
16 A' 1093 965 7.00      
17 A' 1038 916 0.66      
18 A' 913 806 9.15      
19 A' 672 593 1.68      
20 A' 325 287 0.76      
21 A" 3494 3085 0.15      
22 A" 1673 1477 4.40      
23 A" 1153 1018 4.95      
24 A" 932 823 0.17      
25 A" 830 733 24.86      
26 A" 787 694 5.05      
27 A" 651 575 1.80      
28 A" 614 542 1.85      
29 A" 274 242 1.42      
30 A" 95 84 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 23286.0 cm-1
Scaled (by 0.883) Zero Point Vibrational Energy (zpe) 20561.5 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 B1B95/STO-3G
ABC
0.29040 0.10992 0.08095

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.715 -1.496 0.000
C2 -1.092 -0.155 0.000
C3 0.676 -1.471 0.000
C4 0.000 0.686 0.000
C5 1.157 -0.186 0.000
C6 0.006 2.203 0.000
H7 -2.171 0.042 0.000
H8 1.176 -2.448 0.000
H9 2.205 0.123 0.000
H10 -1.021 2.594 0.000
H11 0.524 2.597 0.889
H12 0.524 2.597 -0.889

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
O11.39291.39052.29642.28513.76792.11782.11693.33854.10104.36744.3674
C21.39292.20371.37842.24932.60051.09673.22503.30832.74963.31243.3124
C31.39052.20372.26101.37313.73443.22361.09742.20954.40494.16704.1670
C42.29641.37842.26101.44901.51612.26423.34782.27552.16342.17112.1711
C52.28512.24931.37311.44902.65123.33582.26261.09203.53122.98882.9888
C63.76792.60053.73441.51612.65123.06664.79553.02621.09881.10151.1015
H72.11781.09673.22362.26423.33583.06664.17144.37612.79853.81783.8178
H82.11693.22501.09743.34782.26264.79554.17142.76965.49965.16405.1640
H93.33853.30832.20952.27551.09203.02624.37612.76964.06303.11993.1199
H104.10102.74964.40492.16343.53121.09882.79855.49964.06301.78201.7820
H114.36743.31244.16702.17112.98881.10153.81785.16403.11991.78201.7772
H124.36743.31244.16702.17112.98881.10153.81785.16403.11991.78201.7772

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 111.915 O1 C2 H7 116.064
O1 C3 C5 111.552 O1 C3 H8 116.119
C2 O1 C3 104.696 C2 C4 C5 105.385
C2 C4 C6 127.838 C3 C5 C4 106.452
C3 C5 H9 126.977 C4 C2 H7 132.022
C4 C5 H9 126.570 C4 C6 H10 110.636
C4 C6 H11 111.090 C4 C6 H12 111.090
C5 C3 H8 132.328 C5 C4 C6 126.777
H10 C6 H11 108.173 H10 C6 H12 108.173
H11 C6 H12 107.549
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.134      
2 C -0.010      
3 C -0.004      
4 C -0.031      
5 C -0.124      
6 C -0.233      
7 H 0.093      
8 H 0.096      
9 H 0.087      
10 H 0.086      
11 H 0.087      
12 H 0.087      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.213 0.526 0.000 0.568
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.556 -1.491 0.000
y -1.491 -31.316 0.000
z 0.000 0.000 -34.056
Traceless
 xyz
x 2.129 -1.491 0.000
y -1.491 0.990 0.000
z 0.000 0.000 -3.119
Polar
3z2-r2-6.239
x2-y20.760
xy-1.491
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.212 -0.177 0.000
y -0.177 5.828 0.000
z 0.000 0.000 1.522


<r2> (average value of r2) Å2
<r2> 145.004
(<r2>)1/2 12.042