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

using model chemistry: LSDA/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 LSDA/6-31G
 hartrees
Energy at 0K-267.786642
Energy at 298.15K-267.793196
HF Energy-267.786642
Nuclear repulsion energy220.106429
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 LSDA/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' 3273 3207 0.02      
2 A' 3261 3195 0.32      
3 A' 3221 3155 0.83      
4 A' 3085 3023 10.68      
5 A' 2984 2923 25.06      
6 A' 1639 1605 4.55      
7 A' 1518 1488 7.64      
8 A' 1478 1448 10.92      
9 A' 1411 1383 16.74      
10 A' 1398 1370 0.11      
11 A' 1269 1243 0.07      
12 A' 1224 1200 1.71      
13 A' 1179 1155 17.22      
14 A' 1079 1057 9.27      
15 A' 1031 1010 13.12      
16 A' 1007 987 10.51      
17 A' 974 954 1.89      
18 A' 876 858 26.30      
19 A' 648 635 1.77      
20 A' 315 309 1.06      
21 A" 3055 2993 12.73      
22 A" 1465 1435 12.52      
23 A" 1058 1036 9.97      
24 A" 848 831 2.22      
25 A" 761 745 67.20      
26 A" 723 709 7.30      
27 A" 620 607 0.01      
28 A" 616 604 25.62      
29 A" 266 261 3.17      
30 A" 118 116 0.04      

Unscaled Zero Point Vibrational Energy (zpe) 21199.8 cm-1
Scaled (by 0.9797) Zero Point Vibrational Energy (zpe) 20769.4 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 LSDA/6-31G
ABC
0.29277 0.11253 0.08255

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.704 -1.462 0.000
C2 -1.097 -0.136 0.000
C3 0.678 -1.471 0.000
C4 0.000 0.681 0.000
C5 1.144 -0.190 0.000
C6 0.011 2.163 0.000
H7 -2.167 0.046 0.000
H8 1.145 -2.450 0.000
H9 2.187 0.121 0.000
H10 -1.012 2.573 0.000
H11 0.531 2.567 0.888
H12 0.531 2.567 -0.888

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
O11.38301.38132.25612.24323.69492.10102.09613.29604.04744.30664.3066
C21.38302.22001.36772.24082.55201.08553.22153.29342.71093.27783.2778
C31.38132.22002.25641.36333.69433.22331.08492.19414.38314.13694.1369
C42.25611.36772.25641.43761.48152.25793.33402.25732.14592.15072.1507
C52.24322.24081.36331.43762.61103.31872.26011.08863.50482.96032.9603
C63.69492.55203.69431.48152.61103.03724.75012.98331.10281.10541.1054
H72.10101.08553.22332.25793.31873.03724.14684.35412.77863.79753.7975
H82.09613.22151.08493.33402.26014.75014.14682.77445.46705.13175.1317
H93.29603.29342.19412.25731.08862.98334.35412.77444.03073.08393.0839
H104.04742.71094.38312.14593.50481.10282.77865.46704.03071.78051.7805
H114.30663.27784.13692.15072.96031.10543.79755.13173.08391.78051.7759
H124.30663.27784.13692.15072.96031.10543.79755.13173.08391.78051.7759

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 110.208 O1 C2 H7 116.153
O1 C3 C5 109.635 O1 C3 H8 115.889
C2 O1 C3 106.859 C2 C4 C5 105.996
C2 C4 C6 127.140 C3 C5 C4 107.302
C3 C5 H9 126.612 C4 C2 H7 133.638
C4 C5 H9 126.086 C4 C6 H10 111.422
C4 C6 H11 111.660 C4 C6 H12 111.660
C5 C3 H8 134.475 C5 C4 C6 126.865
H10 C6 H11 107.476 H10 C6 H12 107.476
H11 C6 H12 106.894
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.423      
2 C 0.017      
3 C 0.009      
4 C 0.040      
5 C -0.151      
6 C -0.585      
7 H 0.187      
8 H 0.191      
9 H 0.165      
10 H 0.176      
11 H 0.187      
12 H 0.187      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.663 1.158 0.000 1.334
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.785 -2.631 0.000
y -2.631 -33.336 0.000
z 0.000 0.000 -37.711
Traceless
 xyz
x 3.739 -2.631 0.000
y -2.631 1.411 0.000
z 0.000 0.000 -5.150
Polar
3z2-r2-10.301
x2-y21.552
xy-2.631
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.338 -0.178 0.000
y -0.178 9.381 0.000
z 0.000 0.000 3.841


<r2> (average value of r2) Å2
<r2> 144.227
(<r2>)1/2 12.009