return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: B3LYP/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 B3LYP/6-31+G**
 hartrees
Energy at 0K-269.360081
Energy at 298.15K-269.366697
HF Energy-269.360081
Nuclear repulsion energy220.598825
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 B3LYP/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' 3296 3178 0.28      
2 A' 3287 3169 0.51      
3 A' 3253 3136 2.09      
4 A' 3116 3004 20.38      
5 A' 3036 2927 38.05      
6 A' 1644 1585 1.28      
7 A' 1537 1482 17.14      
8 A' 1502 1449 7.97      
9 A' 1427 1376 1.89      
10 A' 1408 1357 2.82      
11 A' 1281 1236 3.89      
12 A' 1270 1224 2.17      
13 A' 1200 1157 16.11      
14 A' 1092 1053 14.06      
15 A' 1055 1018 32.09      
16 A' 1015 979 3.64      
17 A' 976 941 2.11      
18 A' 887 856 22.39      
19 A' 641 618 2.34      
20 A' 319 307 0.98      
21 A" 3089 2978 17.89      
22 A" 1489 1436 7.47      
23 A" 1065 1027 1.30      
24 A" 857 827 1.10      
25 A" 781 753 74.87      
26 A" 727 701 7.18      
27 A" 622 600 1.13      
28 A" 614 592 22.49      
29 A" 265 255 3.70      
30 A" 131 126 0.04      

Unscaled Zero Point Vibrational Energy (zpe) 21440.6 cm-1
Scaled (by 0.9642) Zero Point Vibrational Energy (zpe) 20673.1 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 B3LYP/6-31+G**
ABC
0.29649 0.11182 0.08244

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.697 -1.463 0.000
C2 -1.084 -0.149 0.000
C3 0.666 -1.469 0.000
C4 0.000 0.680 0.000
C5 1.146 -0.195 0.000
C6 0.003 2.180 0.000
H7 -2.148 0.027 0.000
H8 1.134 -2.441 0.000
H9 2.188 0.098 0.000
H10 -1.017 2.577 0.000
H11 0.516 2.578 0.883
H12 0.516 2.578 -0.883

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
O11.36891.36352.25292.23773.70942.07982.07623.28004.05254.31044.3104
C21.36892.19171.36452.23062.57051.07933.18903.28082.72753.28313.2831
C31.36352.19172.24961.36183.70903.18761.07892.18394.38234.14504.1450
C42.25291.36452.24961.44181.50052.24523.32062.26392.15282.15642.1564
C52.23772.23061.36181.44182.63593.30232.24671.08163.51612.97752.9775
C63.70942.57053.70901.50052.63593.04334.75793.01861.09401.09621.0962
H72.07981.07933.18762.24523.30233.04334.10694.33682.78973.79283.7928
H82.07623.18901.07893.32062.24674.75794.10692.74905.45995.13385.1338
H93.28003.28082.18392.26391.08163.01864.33682.74904.05193.11893.1189
H104.05252.72754.38232.15283.51611.09402.78975.45994.05191.76901.7690
H114.31043.28314.14502.15642.97751.09623.79285.13383.11891.76901.7660
H124.31043.28314.14502.15642.97751.09623.79285.13383.11891.76901.7660

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 111.023 O1 C2 H7 115.825
O1 C3 C5 110.383 O1 C3 H8 115.946
C2 O1 C3 106.664 C2 C4 C5 105.249
C2 C4 C6 127.523 C3 C5 C4 106.681
C3 C5 H9 126.327 C4 C2 H7 133.152
C4 C5 H9 126.992 C4 C6 H10 111.177
C4 C6 H11 111.338 C4 C6 H12 111.338
C5 C3 H8 133.671 C5 C4 C6 127.229
H10 C6 H11 107.737 H10 C6 H12 107.737
H11 C6 H12 107.322
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.241      
2 C -0.120      
3 C -0.078      
4 C 0.228      
5 C 0.155      
6 C -0.832      
7 H 0.140      
8 H 0.142      
9 H 0.132      
10 H 0.152      
11 H 0.161      
12 H 0.161      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.515 0.966 0.000 1.095
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.758 -2.238 0.000
y -2.238 -34.166 0.000
z 0.000 0.000 -38.669
Traceless
 xyz
x 3.660 -2.238 0.000
y -2.238 1.547 0.000
z 0.000 0.000 -5.208
Polar
3z2-r2-10.415
x2-y21.409
xy-2.238
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.406 -0.093 0.000
y -0.093 10.483 0.000
z 0.000 0.000 6.113


<r2> (average value of r2) Å2
<r2> 144.903
(<r2>)1/2 12.038