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

using model chemistry: B3PW91/6-31+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 B3PW91/6-31+G**
 hartrees
Energy at 0K-269.256201
Energy at 298.15K-269.262827
HF Energy-269.256201
Nuclear repulsion energy221.133006
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 B3PW91/6-31+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' 3306 3174 0.27      
2 A' 3296 3165 0.44      
3 A' 3266 3136 1.69      
4 A' 3138 3013 17.53      
5 A' 3047 2926 35.79      
6 A' 1656 1590 1.43      
7 A' 1549 1487 16.84      
8 A' 1499 1439 8.27      
9 A' 1425 1368 6.04      
10 A' 1413 1357 0.43      
11 A' 1290 1238 4.47      
12 A' 1268 1217 2.26      
13 A' 1223 1174 15.35      
14 A' 1104 1060 19.40      
15 A' 1066 1023 25.34      
16 A' 1013 973 4.57      
17 A' 979 940 2.21      
18 A' 889 853 21.39      
19 A' 645 620 2.19      
20 A' 318 306 1.01      
21 A" 3111 2987 15.04      
22 A" 1484 1425 8.14      
23 A" 1059 1017 1.79      
24 A" 858 824 0.92      
25 A" 783 751 76.37      
26 A" 730 701 7.78      
27 A" 623 598 0.44      
28 A" 618 593 22.88      
29 A" 265 255 3.88      
30 A" 130 125 0.04      

Unscaled Zero Point Vibrational Energy (zpe) 21525.4 cm-1
Scaled (by 0.9601) Zero Point Vibrational Energy (zpe) 20666.5 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 B3PW91/6-31+G**
ABC
0.29798 0.11236 0.08285

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.692 -1.459 0.000
C2 -1.080 -0.154 0.000
C3 0.665 -1.464 0.000
C4 0.000 0.679 0.000
C5 1.145 -0.191 0.000
C6 -0.003 2.175 0.000
H7 -2.145 0.021 0.000
H8 1.134 -2.436 0.000
H9 2.187 0.101 0.000
H10 -1.023 2.568 0.000
H11 0.509 2.574 0.883
H12 0.509 2.574 -0.883

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
O11.36211.35742.24762.23253.69902.07452.07123.27464.04134.30014.3001
C21.36212.18241.36362.22522.56551.07983.18003.27632.72263.27793.2779
C31.35742.18242.24411.36053.69973.17891.07942.18304.37174.13644.1364
C42.24761.36362.24411.43811.49582.24413.31552.26152.14852.15162.1516
C52.23252.22521.36051.43812.62963.29732.24531.08183.50932.97132.9713
C63.69902.56553.69971.49582.62963.03824.74933.01521.09371.09581.0958
H72.07451.07983.17892.24413.29733.03824.09814.33272.78373.78753.7875
H82.07123.18001.07943.31552.24534.74934.09812.74745.44995.12575.1257
H93.27463.27632.18302.26151.08183.01524.33272.74744.04813.11533.1153
H104.04132.72264.37172.14853.50931.09372.78375.44994.04811.76851.7685
H114.30013.27794.13642.15162.97131.09583.78755.12573.11531.76851.7656
H124.30013.27794.13642.15162.97131.09583.78755.12573.11531.76851.7656

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 111.101 O1 C2 H7 115.843
O1 C3 C5 110.450 O1 C3 H8 115.948
C2 O1 C3 106.737 C2 C4 C5 105.132
C2 C4 C6 127.536 C3 C5 C4 106.580
C3 C5 H9 126.341 C4 C2 H7 133.056
C4 C5 H9 127.078 C4 C6 H10 111.192
C4 C6 H11 111.308 C4 C6 H12 111.308
C5 C3 H8 133.602 C5 C4 C6 127.332
H10 C6 H11 107.753 H10 C6 H12 107.753
H11 C6 H12 107.338
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.194      
2 C -0.164      
3 C -0.145      
4 C 0.248      
5 C 0.188      
6 C -0.938      
7 H 0.163      
8 H 0.165      
9 H 0.157      
10 H 0.169      
11 H 0.176      
12 H 0.176      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.488 0.934 0.000 1.054
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.208 -2.185 0.000
y -2.185 -33.573 0.000
z 0.000 0.000 -38.329
Traceless
 xyz
x 3.742 -2.185 0.000
y -2.185 1.696 0.000
z 0.000 0.000 -5.438
Polar
3z2-r2-10.876
x2-y21.364
xy-2.185
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.246 -0.091 0.000
y -0.091 10.336 0.000
z 0.000 0.000 5.954


<r2> (average value of r2) Å2
<r2> 144.020
(<r2>)1/2 12.001