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

using model chemistry: HF/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HF/STO-3G
 hartrees
Energy at 0K-264.337226
Energy at 298.15K-264.343980
HF Energy-264.337226
Nuclear repulsion energy220.791914
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 HF/STO-3G
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' 3789 3093 6.96      
2 A' 3761 3071 25.22      
3 A' 3751 3063 0.18      
4 A' 3745 3058 25.64      
5 A' 3562 2908 2.18      
6 A' 1980 1617 3.89      
7 A' 1829 1494 7.61      
8 A' 1827 1492 11.53      
9 A' 1729 1412 1.00      
10 A' 1651 1348 12.03      
11 A' 1518 1239 7.59      
12 A' 1478 1207 8.38      
13 A' 1410 1152 3.70      
14 A' 1265 1033 0.02      
15 A' 1202 981 3.11      
16 A' 1189 971 20.03      
17 A' 1114 909 0.91      
18 A' 1001 817 16.36      
19 A' 726 593 3.15      
20 A' 354 289 0.53      
21 A" 3730 3045 0.51      
22 A" 1819 1485 2.28      
23 A" 1265 1033 2.55      
24 A" 1085 886 0.03      
25 A" 972 794 9.64      
26 A" 918 750 6.33      
27 A" 718 586 0.72      
28 A" 654 534 5.83      
29 A" 303 247 0.50      
30 A" 112 91 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 25227.8 cm-1
Scaled (by 0.8165) Zero Point Vibrational Energy (zpe) 20598.5 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 HF/STO-3G
ABC
0.29663 0.11188 0.08248

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.728 -1.457 0.000
C2 -1.080 -0.125 0.000
C3 0.647 -1.469 0.000
C4 0.000 0.671 0.000
C5 1.141 -0.225 0.000
C6 0.042 2.186 0.000
H7 -2.139 0.095 0.000
H8 1.123 -2.441 0.000
H9 2.179 0.062 0.000
H10 -0.963 2.596 0.000
H11 0.564 2.559 0.879
H12 0.564 2.559 -0.879

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
O11.37751.37502.24942.23873.72372.09722.09603.28054.06044.30924.3092
C21.37752.18761.34192.22292.56941.08153.19563.26442.72433.26793.2679
C31.37502.18762.23531.33843.70423.19421.08222.16624.37214.12294.1229
C42.24941.34192.23531.45051.51542.21503.30792.26252.15272.15722.1572
C52.23872.22291.33841.45052.64913.29502.21571.07743.51912.97542.9754
C63.72372.56943.70421.51542.64913.02164.75093.01241.08581.08781.0878
H72.09721.08153.19422.21503.29503.02164.13104.31792.76423.76133.7613
H82.09603.19561.08223.30792.21574.75094.13102.71665.45165.10645.1064
H93.28053.26442.16622.26251.07743.01244.31792.71664.03643.10033.1003
H104.06042.72434.37212.15273.51911.08582.76425.45164.03641.76211.7621
H114.30923.26794.12292.15722.97541.08783.76135.10643.10031.76211.7577
H124.30923.26794.12292.15722.97541.08783.76135.10643.10031.76211.7577

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 111.618 O1 C2 H7 116.542
O1 C3 C5 111.185 O1 C3 H8 116.580
C2 O1 C3 105.269 C2 C4 C5 105.445
C2 C4 C6 128.013 C3 C5 C4 106.484
C3 C5 H9 127.126 C4 C2 H7 131.840
C4 C5 H9 126.390 C4 C6 H10 110.611
C4 C6 H11 110.850 C4 C6 H12 110.850
C5 C3 H8 132.235 C5 C4 C6 126.542
H10 C6 H11 108.322 H10 C6 H12 108.322
H11 C6 H12 107.781
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.204      
2 C 0.036      
3 C 0.048      
4 C -0.021      
5 C -0.108      
6 C -0.183      
7 H 0.077      
8 H 0.081      
9 H 0.069      
10 H 0.068      
11 H 0.069      
12 H 0.069      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.403 0.667 0.000 0.779
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.314 -1.917 0.000
y -1.917 -32.424 0.000
z 0.000 0.000 -34.045
Traceless
 xyz
x 1.920 -1.917 0.000
y -1.917 0.256 0.000
z 0.000 0.000 -2.176
Polar
3z2-r2-4.352
x2-y21.110
xy-1.917
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.004 0.036 0.000
y 0.036 5.543 0.000
z 0.000 0.000 1.451


<r2> (average value of r2) Å2
<r2> 143.119
(<r2>)1/2 11.963