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

using model chemistry: B3LYP/CEP-121G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B3LYP/CEP-121G*
 hartrees
Energy at 0K-49.028555
Energy at 298.15K-49.037642
Nuclear repulsion energy127.855922
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 B3LYP/CEP-121G*
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 3214 3116 8.34      
2 A 3117 3022 23.53      
3 A 3099 3004 56.04      
4 A 3074 2980 23.72      
5 A 3049 2955 63.11      
6 A 3020 2928 33.01      
7 A 3019 2927 56.68      
8 A 2991 2900 71.19      
9 A 1696 1644 58.33      
10 A 1528 1481 0.17      
11 A 1506 1460 0.22      
12 A 1498 1452 6.05      
13 A 1481 1436 7.89      
14 A 1421 1378 12.98      
15 A 1398 1355 7.39      
16 A 1318 1278 10.35      
17 A 1258 1219 33.50      
18 A 1243 1205 15.60      
19 A 1204 1167 6.01      
20 A 1188 1151 55.03      
21 A 1076 1043 0.11      
22 A 1055 1023 3.05      
23 A 1029 998 31.85      
24 A 1007 977 21.29      
25 A 965 936 21.13      
26 A 923 894 21.67      
27 A 899 872 23.87      
28 A 847 821 5.82      
29 A 718 696 36.01      
30 A 685 664 1.95      
31 A 618 599 1.06      
32 A 543 526 1.33      
33 A 328 318 2.36      
34 A 223 216 6.90      
35 A 172 167 2.97      
36 A 123 120 1.46      

Unscaled Zero Point Vibrational Energy (zpe) 26266.4 cm-1
Scaled (by 0.9694) Zero Point Vibrational Energy (zpe) 25462.6 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 B3LYP/CEP-121G*
ABC
0.24802 0.10709 0.07841

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-121G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.379 -0.811 0.095
H2 -1.941 -1.410 -0.630
H3 -1.646 -1.135 1.111
O4 0.041 -1.098 -0.099
C5 -1.551 0.727 -0.074
H6 -2.216 1.143 0.694
H7 -1.978 0.994 -1.054
C8 -0.103 1.187 0.054
H9 0.224 2.220 0.106
C10 2.208 0.002 0.009
H11 2.558 -0.491 -0.909
H12 2.669 0.992 0.076
H13 2.547 -0.608 0.857
C14 0.710 0.116 0.003

Atom - Atom Distances (Å)
  C1 H2 H3 O4 C5 H6 H7 C8 H9 C10 H11 H12 H13 C14
C11.09491.09941.46181.55722.20912.22172.37183.42993.67984.07594.43264.00512.2874
H21.09491.78722.07552.24222.88922.44063.25444.29064.42944.60055.24664.79573.1231
H31.09941.78722.07642.20932.38523.05442.98173.97084.16704.70834.92144.23382.8883
O41.46182.07552.07642.42173.27803.05962.29483.32952.43292.71293.36292.72681.3892
C51.55722.24222.20932.42171.09811.10181.52452.32693.82964.36624.23154.40962.3432
H62.20912.88922.38523.27801.09811.77112.20802.73174.62035.29444.92675.07753.1771
H72.22172.44063.05443.05961.10181.77112.18642.77524.43164.77494.78295.16673.0185
C82.37183.25442.98172.29481.52452.20802.18641.08502.59843.29032.77973.30051.3463
H93.42994.29063.97083.32952.32692.73172.77521.08502.97783.71822.73623.73612.1624
C103.67984.42944.16702.43293.82964.62034.43162.59842.97781.09851.09471.09821.5030
H114.07594.60054.70832.71294.36625.29444.77493.29033.71821.09851.78371.76952.1481
H124.43265.24664.92143.36294.23154.92674.78292.77972.73621.09471.78371.78502.1482
H134.00514.79574.23382.72684.40965.07755.16673.30053.73611.09821.76951.78502.1517
C142.28743.12312.88831.38922.34323.17713.01851.34632.16241.50302.14812.14822.1517

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 106.678 C1 C5 H6 111.423
C1 C5 H7 112.210 C1 C5 C8 100.634
H2 C1 H3 109.070 H2 C1 O4 107.672
H2 C1 C5 114.306 H3 C1 O4 107.489
H3 C1 C5 111.367 O4 C1 C5 106.631
O4 C14 C8 114.041 O4 C14 C10 114.473
C5 C8 H9 125.335 C5 C8 C14 109.263
H6 C5 H7 107.235 H6 C5 C8 113.686
H7 C5 C8 111.706 C8 C14 C10 131.474
H9 C8 C14 125.264 H11 C10 H12 108.842
H11 C10 H13 107.326 H11 C10 C14 110.359
H12 C10 H13 108.975 H12 C10 C14 110.597
H13 C10 C14 110.660
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-121G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.142      
2 H 0.165      
3 H 0.150      
4 O -0.241      
5 C -0.365      
6 H 0.162      
7 H 0.157      
8 C -0.256      
9 H 0.210      
10 C -0.678      
11 H 0.179      
12 H 0.181      
13 H 0.178      
14 C 0.300      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.475 0.729 0.124 0.879
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.284 1.268 -0.023
y 1.268 -37.950 -0.221
z -0.023 -0.221 -37.617
Traceless
 xyz
x 5.500 1.268 -0.023
y 1.268 -2.999 -0.221
z -0.023 -0.221 -2.501
Polar
3z2-r2-5.001
x2-y25.666
xy1.268
xz-0.023
yz-0.221


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.730 -0.591 0.013
y -0.591 9.174 0.005
z 0.013 0.005 6.669


<r2> (average value of r2) Å2
<r2> 131.469
(<r2>)1/2 11.466