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

using model chemistry: PBEPBE/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at PBEPBE/cc-pVDZ
 hartrees
Energy at 0K-270.213695
Energy at 298.15K-270.222701
Nuclear repulsion energy236.483424
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 PBEPBE/cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A 3179 3160 3.85      
2 A 3090 3072 9.48      
3 A 3040 3023 32.87      
4 A 3034 3016 10.36      
5 A 2999 2982 33.37      
6 A 2971 2954 25.47      
7 A 2948 2930 55.34      
8 A 2926 2909 55.90      
9 A 1688 1678 51.86      
10 A 1436 1428 1.42      
11 A 1415 1406 0.68      
12 A 1410 1401 2.97      
13 A 1388 1380 7.93      
14 A 1359 1351 31.61      
15 A 1336 1329 2.07      
16 A 1271 1264 11.29      
17 A 1213 1206 55.75      
18 A 1206 1199 1.82      
19 A 1165 1159 16.30      
20 A 1153 1146 2.54      
21 A 1032 1026 0.51      
22 A 1008 1002 5.19      
23 A 999 993 25.96      
24 A 987 981 20.06      
25 A 950 944 24.44      
26 A 923 918 7.40      
27 A 889 884 21.83      
28 A 827 823 4.57      
29 A 689 685 20.15      
30 A 665 661 3.03      
31 A 622 618 0.91      
32 A 538 534 1.17      
33 A 326 324 2.07      
34 A 218 217 6.35      
35 A 162 161 2.37      
36 A 132 132 0.89      

Unscaled Zero Point Vibrational Energy (zpe) 25595.4 cm-1
Scaled (by 0.9942) Zero Point Vibrational Energy (zpe) 25446.9 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 PBEPBE/cc-pVDZ
ABC
0.24852 0.10812 0.07912

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/cc-pVDZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.362 -0.815 0.104
H2 -1.936 -1.438 -0.608
H3 -1.619 -1.130 1.140
O4 0.053 -1.102 -0.101
C5 -1.542 0.708 -0.083
H6 -2.235 1.130 0.674
H7 -1.963 0.966 -1.082
C8 -0.112 1.181 0.059
H9 0.212 2.226 0.108
C10 2.197 0.010 0.009
H11 2.557 -0.495 -0.912
H12 2.659 1.012 0.068
H13 2.549 -0.601 0.867
C14 0.710 0.109 0.002

Atom - Atom Distances (Å)
  C1 H2 H3 O4 C5 H6 H7 C8 H9 C10 H11 H12 H13 C14
C11.10711.11311.45821.54472.20752.22262.35523.42413.65404.06054.41613.99042.2707
H21.10711.80362.08062.24442.88662.45063.26094.30764.42274.60105.25114.79563.1257
H31.11311.80362.08232.20822.38843.07392.96233.95944.13944.69534.90204.21012.8725
O41.45822.08062.08232.41253.28963.05022.29443.33832.41732.70063.35952.72361.3817
C51.54472.24442.20822.41251.11001.11521.51282.32773.80434.35124.21414.39872.3315
H62.20752.88662.38843.28961.11001.78532.21102.74064.61955.30284.93255.09143.1887
H72.22262.45063.07393.05021.11521.78532.18532.78124.40544.75294.76255.15853.0090
C82.35523.26092.96232.29441.51282.21102.18531.09532.58923.29762.77563.30241.3517
H93.42414.30763.95943.33832.32772.74062.78121.09532.97643.73372.73113.74492.1770
C103.65404.42274.13942.41733.80434.61954.40542.58922.97641.11021.10521.11001.4902
H114.06054.60104.69532.70064.35125.30284.75293.29763.73371.11021.80071.78162.1474
H124.41615.25114.90203.35954.21414.93254.76252.77562.73111.10521.80071.80282.1487
H133.99044.79564.21012.72364.39875.09145.15853.30243.74491.11001.78161.80282.1526
C142.27073.12572.87251.38172.33153.18873.00901.35172.17701.49022.14742.14872.1526

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 106.148 C1 C5 H6 111.471
C1 C5 H7 112.356 C1 C5 C8 100.758
H2 C1 H3 108.659 H2 C1 O4 107.611
H2 C1 C5 114.635 H3 C1 O4 107.402
H3 C1 C5 111.340 O4 C1 C5 106.879
O4 C14 C8 114.153 O4 C14 C10 114.590
C5 C8 H9 125.613 C5 C8 C14 108.835
H6 C5 H7 106.707 H6 C5 C8 114.036
H7 C5 C8 111.624 C8 C14 C10 131.249
H9 C8 C14 125.333 H11 C10 H12 108.744
H11 C10 H13 106.734 H11 C10 C14 110.492
H12 C10 H13 108.945 H12 C10 C14 110.893
H13 C10 C14 110.913
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.106      
2 H 0.032      
3 H 0.034      
4 O -0.258      
5 C -0.011      
6 H 0.031      
7 H 0.037      
8 C -0.145      
9 H -0.031      
10 C 0.008      
11 H 0.053      
12 H 0.040      
13 H 0.052      
14 C 0.052      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.296 0.456 0.110 0.555
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.518 1.091 -0.041
y 1.091 -37.489 -0.159
z -0.041 -0.159 -37.388
Traceless
 xyz
x 4.920 1.091 -0.041
y 1.091 -2.536 -0.159
z -0.041 -0.159 -2.384
Polar
3z2-r2-4.768
x2-y24.971
xy1.091
xz-0.041
yz-0.159


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.665 -0.520 0.029
y -0.520 8.833 -0.022
z 0.029 -0.022 6.194


<r2> (average value of r2) Å2
<r2> 157.579
(<r2>)1/2 12.553