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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-269.238994
Energy at 298.15K-269.245601
HF Energy-269.238994
Nuclear repulsion energy221.244616
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' 3310 3166 1.46      
2 A' 3300 3157 1.71      
3 A' 3270 3129 2.23      
4 A' 3141 3005 17.84      
5 A' 3053 2921 33.26      
6 A' 1669 1597 1.70      
7 A' 1563 1495 14.52      
8 A' 1523 1457 6.51      
9 A' 1444 1382 2.26      
10 A' 1427 1365 2.90      
11 A' 1299 1243 4.64      
12 A' 1277 1222 2.07      
13 A' 1234 1180 16.47      
14 A' 1114 1065 14.80      
15 A' 1074 1027 22.56      
16 A' 1022 978 4.47      
17 A' 984 942 2.06      
18 A' 892 853 22.35      
19 A' 647 619 2.29      
20 A' 317 303 0.99      
21 A" 3113 2978 20.17      
22 A" 1509 1443 6.49      
23 A" 1074 1027 3.24      
24 A" 847 810 2.46      
25 A" 779 745 54.51      
26 A" 727 695 4.24      
27 A" 626 599 1.01      
28 A" 624 597 16.02      
29 A" 266 254 2.74      
30 A" 127 122 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 21624.9 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 20688.5 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 B3PW91/6-31G*
ABC
0.29842 0.11243 0.08293

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 -1.460 0.000
C2 -1.077 -0.156 0.000
C3 0.666 -1.462 0.000
C4 0.000 0.678 0.000
C5 1.146 -0.190 0.000
C6 -0.007 2.174 0.000
H7 -2.143 0.017 0.000
H8 1.134 -2.435 0.000
H9 2.187 0.106 0.000
H10 -1.029 2.566 0.000
H11 0.504 2.578 0.883
H12 0.504 2.578 -0.883

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
O11.36031.35702.24712.23233.69762.07152.06873.27554.04004.30204.3020
C21.36032.17811.36202.22272.56341.08033.17543.27382.72193.27853.2785
C31.35702.17812.24131.35853.69743.17491.08002.18334.36984.13774.1377
C42.24711.36202.24131.43781.49562.24313.31362.26042.14992.15402.1540
C52.23232.22271.35851.43782.63043.29552.24481.08223.51102.97532.9753
C63.69762.56343.69741.49562.63043.03604.74833.01511.09461.09691.0969
H72.07151.08033.17492.24313.29553.03604.09294.33082.78203.78753.7875
H82.06873.17541.08003.31362.24484.74834.09292.75015.44885.12865.1286
H93.27553.27382.18332.26041.08223.01514.33082.75014.04903.11793.1179
H104.04002.72194.36982.14993.51101.09462.78205.44884.04901.76911.7691
H114.30203.27854.13772.15402.97531.09693.78755.12863.11791.76911.7652
H124.30203.27854.13772.15402.97531.09693.78755.12863.11791.76911.7652

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 111.263 O1 C2 H7 115.675
O1 C3 C5 110.587 O1 C3 H8 115.719
C2 O1 C3 106.565 C2 C4 C5 105.067
C2 C4 C6 127.484 C3 C5 C4 106.518
C3 C5 H9 126.527 C4 C2 H7 133.062
C4 C5 H9 126.955 C4 C6 H10 111.253
C4 C6 H11 111.451 C4 C6 H12 111.451
C5 C3 H8 133.694 C5 C4 C6 127.449
H10 C6 H11 107.661 H10 C6 H12 107.661
H11 C6 H12 107.153
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 -0.401      
2 C 0.014      
3 C 0.056      
4 C 0.082      
5 C -0.240      
6 C -0.588      
7 H 0.178      
8 H 0.183      
9 H 0.167      
10 H 0.179      
11 H 0.185      
12 H 0.185      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.443 0.788 0.000 0.904
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.447 -2.072 0.000
y -2.072 -32.797 0.000
z 0.000 0.000 -37.253
Traceless
 xyz
x 3.578 -2.072 0.000
y -2.072 1.554 0.000
z 0.000 0.000 -5.131
Polar
3z2-r2-10.263
x2-y21.349
xy-2.072
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.253 -0.128 0.000
y -0.128 9.345 0.000
z 0.000 0.000 4.033


<r2> (average value of r2) Å2
<r2> 143.392
(<r2>)1/2 11.975