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

using model chemistry: HF/6-311G**

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/6-311G**
 hartrees
Energy at 0K-268.900619
Energy at 298.15K-268.910142
Nuclear repulsion energy239.820037
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/6-311G**
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 3380 3071 6.10      
2 A 3263 2965 24.24      
3 A 3257 2959 60.80      
4 A 3229 2933 23.62      
5 A 3205 2912 85.71      
6 A 3186 2895 25.58      
7 A 3174 2884 27.71      
8 A 3158 2869 66.00      
9 A 1880 1708 88.13      
10 A 1653 1502 0.29      
11 A 1625 1476 0.45      
12 A 1605 1458 3.80      
13 A 1589 1443 7.23      
14 A 1549 1407 29.30      
15 A 1528 1388 3.88      
16 A 1447 1315 9.95      
17 A 1383 1257 60.09      
18 A 1362 1238 5.82      
19 A 1317 1196 12.48      
20 A 1307 1187 61.77      
21 A 1175 1067 0.47      
22 A 1163 1056 15.01      
23 A 1156 1050 50.49      
24 A 1102 1001 7.03      
25 A 1060 963 13.70      
26 A 1000 909 46.86      
27 A 982 892 11.22      
28 A 922 838 6.04      
29 A 839 763 33.12      
30 A 765 695 0.36      
31 A 669 608 1.33      
32 A 617 561 1.35      
33 A 357 324 2.67      
34 A 245 223 6.89      
35 A 195 177 2.75      
36 A 107 97 2.33      

Unscaled Zero Point Vibrational Energy (zpe) 28224.7 cm-1
Scaled (by 0.9085) Zero Point Vibrational Energy (zpe) 25642.1 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/6-311G**
ABC
0.25689 0.11033 0.08083

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-311G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.351 -0.815 0.079
H2 -1.888 -1.386 -0.666
H3 -1.645 -1.161 1.064
O4 0.039 -1.073 -0.080
C5 -1.529 0.710 -0.058
H6 -2.162 1.108 0.728
H7 -1.979 0.987 -1.009
C8 -0.092 1.164 0.038
H9 0.235 2.183 0.083
C10 2.182 -0.005 0.010
H11 2.520 -0.508 -0.890
H12 2.644 0.973 0.064
H13 2.503 -0.598 0.860
C14 0.698 0.110 -0.001

Atom - Atom Distances (Å)
  C1 H2 H3 O4 C5 H6 H7 C8 H9 C10 H11 H12 H13 C14
C11.08131.08471.42281.54122.18562.19652.34583.39183.62564.00244.37643.93852.2492
H21.08131.76122.03832.21152.87022.39933.19724.21964.35094.50005.16044.71493.0600
H31.08471.76122.03822.18482.35133.00372.97863.96044.13524.64724.89404.19162.8707
O41.42282.03832.03822.37413.20233.02962.24363.26562.39622.67023.31492.67971.3556
C51.54122.21152.18482.37411.08551.08781.50982.30263.77984.30944.18224.33722.3069
H62.18562.87022.35133.20231.08551.75082.18302.70594.54195.21144.85334.96943.1161
H72.19652.39933.00373.02961.08781.75082.16512.74314.39754.74284.74525.10852.9919
C82.34583.19722.97862.24361.50982.18302.16511.07132.55723.23782.74223.24301.3182
H93.39184.21963.96043.26562.30262.70592.74311.07132.92943.66222.69493.67202.1261
C103.62564.35094.13522.39623.77984.54194.39752.55722.92941.08571.08261.08561.4888
H114.00244.50004.64722.67024.30945.21144.74283.23783.66221.08571.76681.75302.1197
H124.37645.16044.89403.31494.18224.85334.74522.74222.69491.08261.76681.76762.1296
H133.93854.71494.19162.67974.33724.96945.10853.24303.67201.08561.75301.76762.1219
C142.24923.06002.87071.35562.30693.11612.99191.31822.12611.48882.11972.12962.1219

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 108.079 C1 C5 H6 111.445
C1 C5 H7 112.184 C1 C5 C8 100.497
H2 C1 H3 108.798 H2 C1 O4 108.202
H2 C1 C5 113.819 H3 C1 O4 107.993
H3 C1 C5 111.429 O4 C1 C5 106.377
O4 C14 C8 114.086 O4 C14 C10 114.714
C5 C8 H9 125.421 C5 C8 C14 109.134
H6 C5 H7 107.339 H6 C5 C8 113.519
H7 C5 C8 111.894 C8 C14 C10 131.196
H9 C8 C14 125.382 H11 C10 H12 109.144
H11 C10 H13 107.675 H11 C10 C14 109.851
H12 C10 H13 109.229 H12 C10 C14 110.842
H13 C10 C14 110.036
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.095      
2 H 0.096      
3 H 0.093      
4 O -0.469      
5 C -0.176      
6 H 0.105      
7 H 0.106      
8 C -0.296      
9 H 0.091      
10 C -0.170      
11 H 0.111      
12 H 0.100      
13 H 0.111      
14 C 0.206      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.396 0.760 0.142 0.869
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.373 1.307 -0.020
y 1.307 -38.152 -0.184
z -0.020 -0.184 -37.606
Traceless
 xyz
x 5.506 1.307 -0.020
y 1.307 -3.163 -0.184
z -0.020 -0.184 -2.343
Polar
3z2-r2-4.686
x2-y25.779
xy1.307
xz-0.020
yz-0.184


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.438 -0.696 0.007
y -0.696 8.243 -0.003
z 0.007 -0.003 5.972


<r2> (average value of r2) Å2
<r2> 154.568
(<r2>)1/2 12.433