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All results from a given calculation for C5H8O (Furan, 2,3-dihydro-5-methyl-)

using model chemistry: HF/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at HF/Def2TZVPP
 hartrees
Energy at 0K-268.941197
Energy at 298.15K-268.950712
HF Energy-268.941197
Nuclear repulsion energy240.128069
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/Def2TZVPP
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 3381 3064 5.20      
2 A 3259 2954 21.82      
3 A 3247 2943 55.12      
4 A 3222 2921 19.29      
5 A 3202 2902 80.24      
6 A 3183 2885 25.47      
7 A 3172 2875 27.48      
8 A 3158 2863 61.00      
9 A 1870 1695 91.10      
10 A 1655 1500 0.42      
11 A 1627 1475 0.47      
12 A 1604 1454 4.11      
13 A 1590 1441 6.60      
14 A 1549 1404 28.09      
15 A 1530 1387 4.23      
16 A 1447 1312 9.39      
17 A 1386 1256 54.64      
18 A 1364 1236 4.36      
19 A 1318 1195 8.35      
20 A 1307 1185 69.96      
21 A 1177 1067 1.31      
22 A 1164 1055 5.61      
23 A 1154 1046 60.27      
24 A 1101 998 7.98      
25 A 1061 961 13.83      
26 A 997 904 44.74      
27 A 981 889 10.14      
28 A 921 835 5.66      
29 A 838 760 35.44      
30 A 770 698 0.68      
31 A 669 607 1.02      
32 A 624 565 0.43      
33 A 360 326 2.84      
34 A 249 225 6.61      
35 A 201 182 2.87      
36 A 96 87 1.62      

Unscaled Zero Point Vibrational Energy (zpe) 28215.4 cm-1
Scaled (by 0.9064) Zero Point Vibrational Energy (zpe) 25574.4 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 HF/Def2TZVPP
ABC
0.25772 0.11055 0.08097

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/Def2TZVPP

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.360 -0.807 0.081
H2 -1.898 -1.376 -0.660
H3 -1.641 -1.152 1.066
O4 0.033 -1.069 -0.084
C5 -1.521 0.711 -0.057
H6 -2.154 1.112 0.726
H7 -1.970 0.987 -1.005
C8 -0.086 1.157 0.036
H9 0.248 2.171 0.077
C10 2.181 -0.010 0.012
H11 2.518 -0.516 -0.884
H12 2.645 0.965 0.061
H13 2.501 -0.599 0.862
C14 0.701 0.109 -0.001

Atom - Atom Distances (Å)
  C1 H2 H3 O4 C5 H6 H7 C8 H9 C10 H11 H12 H13 C14
C11.07841.08111.42681.53272.17422.18382.34113.38373.62964.00684.37873.94492.2562
H21.07841.75932.03852.20552.85962.38933.19154.21064.35364.50485.16094.71983.0649
H31.08111.75932.03262.17842.34562.99532.96813.94794.12594.63784.88444.18452.8657
O41.42682.03852.03262.36353.19273.01482.23273.25122.39662.66903.31322.68481.3568
C51.53272.20552.17842.36351.08301.08511.50562.29713.77184.30214.17504.32892.3025
H62.17422.85962.34563.19271.08301.74552.18002.70344.53355.20284.84624.96113.1112
H72.18382.38932.99533.01481.08511.74552.15932.73684.38784.73464.73605.09822.9851
C82.34113.19152.96812.23271.50562.18002.15931.06812.54943.22952.73743.23401.3109
H93.38374.21063.94793.25122.29712.70342.73681.06812.91463.64692.68333.65582.1123
C103.62964.35364.12592.39663.77184.53354.38782.54942.91461.08321.08021.08301.4848
H114.00684.50484.63782.66904.30215.20284.73463.22953.64691.08321.76141.74842.1155
H124.37875.16094.88443.31324.17504.84624.73602.73742.68331.08021.76141.76232.1248
H133.94494.71984.18452.68484.32894.96115.09823.23403.65581.08301.74841.76232.1185
C142.25623.06492.86571.35682.30253.11122.98511.31092.11231.48482.11552.12482.1185

picture of Furan, 2,3-dihydro-5-methyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O4 C14 108.269 C1 C5 H6 111.288
C1 C5 H7 111.929 C1 C5 C8 100.801
H2 C1 H3 109.114 H2 C1 O4 108.117
H2 C1 C5 114.138 H3 C1 O4 107.483
H3 C1 C5 111.737 O4 C1 C5 105.942
O4 C14 C8 113.627 O4 C14 C10 114.927
C5 C8 H9 125.533 C5 C8 C14 109.483
H6 C5 H7 107.238 H6 C5 C8 113.741
H7 C5 C8 111.890 C8 C14 C10 131.439
H9 C8 C14 124.919 H11 C10 H12 109.015
H11 C10 H13 107.628 H11 C10 C14 109.949
H12 C10 H13 109.103 H12 C10 C14 110.877
H13 C10 C14 110.199
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.138      
2 H 0.050      
3 H 0.038      
4 O -0.411      
5 C -0.022      
6 H 0.047      
7 H 0.039      
8 C -0.218      
9 H 0.074      
10 C -0.186      
11 H 0.075      
12 H 0.072      
13 H 0.074      
14 C 0.228      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.392 0.701 0.102 0.810
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.583 1.172 -0.012
y 1.172 -38.112 -0.170
z -0.012 -0.170 -37.599
Traceless
 xyz
x 5.273 1.172 -0.012
y 1.172 -3.021 -0.170
z -0.012 -0.170 -2.252
Polar
3z2-r2-4.504
x2-y25.530
xy1.172
xz-0.012
yz-0.170


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.050 -0.650 -0.001
y -0.650 8.759 -0.012
z -0.001 -0.012 6.716


<r2> (average value of r2) Å2
<r2> 154.340
(<r2>)1/2 12.423