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

using model chemistry: B3PW91/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3PW91/6-31G**
 hartrees
Energy at 0K-269.247794
Energy at 298.15K-269.254419
HF Energy-269.247794
Nuclear repulsion energy221.289725
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 B3PW91/6-31G**
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' 3305 3167 0.96      
2 A' 3295 3158 1.14      
3 A' 3268 3132 1.77      
4 A' 3142 3011 16.76      
5 A' 3050 2923 32.38      
6 A' 1667 1598 1.73      
7 A' 1561 1496 14.39      
8 A' 1507 1444 6.17      
9 A' 1431 1372 4.65      
10 A' 1419 1360 0.75      
11 A' 1296 1242 4.80      
12 A' 1273 1220 2.13      
13 A' 1232 1181 15.65      
14 A' 1111 1065 15.85      
15 A' 1071 1027 21.13      
16 A' 1016 974 5.02      
17 A' 981 940 1.84      
18 A' 892 855 22.25      
19 A' 647 620 2.24      
20 A' 318 304 1.01      
21 A" 3114 2984 19.13      
22 A" 1491 1429 6.09      
23 A" 1063 1018 3.21      
24 A" 852 817 1.52      
25 A" 783 750 53.14      
26 A" 730 700 4.47      
27 A" 626 600 0.84      
28 A" 623 598 16.38      
29 A" 266 255 2.72      
30 A" 127 122 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 21576.3 cm-1
Scaled (by 0.9584) Zero Point Vibrational Energy (zpe) 20678.8 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 B3PW91/6-31G**
ABC
0.29842 0.11251 0.08297

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.691 -1.459 0.000
C2 -1.077 -0.155 0.000
C3 0.666 -1.462 0.000
C4 0.000 0.678 0.000
C5 1.145 -0.190 0.000
C6 -0.006 2.173 0.000
H7 -2.143 0.020 0.000
H8 1.136 -2.433 0.000
H9 2.186 0.104 0.000
H10 -1.027 2.565 0.000
H11 0.505 2.575 0.882
H12 0.505 2.575 -0.882

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
O11.36041.35692.24672.23213.69682.07302.07013.27434.03884.29984.2998
C21.36042.17851.36212.22302.56301.07973.17623.27352.72093.27673.2767
C31.35692.17852.24111.35853.69653.17561.07942.18214.36824.13524.1352
C42.24671.36212.24111.43751.49502.24163.31242.25992.14842.15212.1521
C52.23212.22301.35851.43752.62933.29482.24291.08143.50892.97272.9727
C63.69682.56303.69651.49502.62933.03324.74603.01431.09341.09571.0957
H72.07301.07973.17562.24163.29483.03324.09494.32942.77893.78383.7838
H82.07013.17621.07943.31242.24294.74604.09492.74625.44645.12465.1246
H93.27433.27352.18212.25991.08143.01434.32942.74624.04713.11603.1160
H104.03882.72094.36822.14843.50891.09342.77895.44644.04711.76771.7677
H114.29983.27674.13522.15212.97271.09573.78385.12463.11601.76771.7637
H124.29983.27674.13522.15212.97271.09573.78385.12463.11601.76771.7637

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 111.221 O1 C2 H7 115.849
O1 C3 C5 110.578 O1 C3 H8 115.892
C2 O1 C3 106.589 C2 C4 C5 105.096
C2 C4 C6 127.485 C3 C5 C4 106.516
C3 C5 H9 126.474 C4 C2 H7 132.930
C4 C5 H9 127.010 C4 C6 H10 111.249
C4 C6 H11 111.407 C4 C6 H12 111.407
C5 C3 H8 133.530 C5 C4 C6 127.419
H10 C6 H11 107.698 H10 C6 H12 107.698
H11 C6 H12 107.179
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.413      
2 C 0.073      
3 C 0.103      
4 C 0.036      
5 C -0.187      
6 C -0.443      
7 H 0.137      
8 H 0.141      
9 H 0.124      
10 H 0.138      
11 H 0.146      
12 H 0.146      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.445 0.805 0.000 0.920
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.485 -2.073 0.000
y -2.073 -32.759 0.000
z 0.000 0.000 -37.213
Traceless
 xyz
x 3.502 -2.073 0.000
y -2.073 1.590 0.000
z 0.000 0.000 -5.091
Polar
3z2-r2-10.182
x2-y21.275
xy-2.073
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.330 -0.138 0.000
y -0.138 9.425 0.000
z 0.000 0.000 4.091


<r2> (average value of r2) Å2
<r2> 143.315
(<r2>)1/2 11.971