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

using model chemistry: PBEPBE/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 PBEPBE/6-311G**
 hartrees
Energy at 0K-270.269925
Energy at 298.15K-270.278954
Nuclear repulsion energy236.987435
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/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 3172 3143 4.44      
2 A 3075 3047 13.09      
3 A 3042 3014 34.85      
4 A 3024 2996 13.79      
5 A 2995 2968 39.13      
6 A 2970 2943 24.71      
7 A 2955 2928 53.32      
8 A 2928 2901 55.82      
9 A 1677 1662 52.54      
10 A 1465 1451 1.39      
11 A 1443 1430 1.41      
12 A 1439 1426 5.49      
13 A 1419 1406 9.35      
14 A 1367 1355 23.12      
15 A 1348 1336 3.90      
16 A 1276 1264 7.99      
17 A 1223 1212 42.22      
18 A 1213 1202 11.81      
19 A 1168 1157 19.75      
20 A 1163 1152 16.71      
21 A 1042 1032 0.34      
22 A 1021 1012 3.54      
23 A 998 989 7.39      
24 A 992 983 33.54      
25 A 949 940 27.91      
26 A 918 910 10.45      
27 A 888 880 24.24      
28 A 831 824 5.51      
29 A 694 688 26.62      
30 A 668 662 2.86      
31 A 620 614 0.99      
32 A 541 536 0.97      
33 A 327 324 2.28      
34 A 219 217 7.21      
35 A 163 162 2.48      
36 A 131 130 1.23      

Unscaled Zero Point Vibrational Energy (zpe) 25681.2 cm-1
Scaled (by 0.9909) Zero Point Vibrational Energy (zpe) 25447.5 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 PBEPBE/6-311G**
ABC
0.24968 0.10842 0.07936

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.363 -0.815 0.103
H2 -1.931 -1.429 -0.609
H3 -1.619 -1.127 1.130
O4 0.053 -1.100 -0.100
C5 -1.540 0.709 -0.082
H6 -2.223 1.129 0.674
H7 -1.957 0.966 -1.074
C8 -0.109 1.177 0.058
H9 0.212 2.215 0.108
C10 2.195 0.008 0.009
H11 2.548 -0.489 -0.909
H12 2.653 1.003 0.071
H13 2.540 -0.600 0.860
C14 0.709 0.110 0.003

Atom - Atom Distances (Å)
  C1 H2 H3 O4 C5 H6 H7 C8 H9 C10 H11 H12 H13 C14
C11.09841.10401.45921.54492.20052.21572.35473.41483.65314.05354.40923.98232.2717
H21.09841.79322.07462.23682.87702.44033.24964.28804.41204.58645.23404.77883.1166
H31.10401.79322.07622.20122.37913.05842.95613.94504.13394.68334.89004.20132.8673
O41.45922.07462.07622.41073.27833.04352.28883.32562.41362.69333.34892.71241.3807
C51.54492.23682.20122.41071.10191.10661.51242.31793.80054.33954.20624.38732.3286
H62.20052.87702.37913.27831.10191.77542.20242.72514.60545.28064.91475.07053.1752
H72.21572.44033.05843.04351.10661.77542.17832.76834.39654.73784.75115.14053.0003
C82.35473.24962.95612.28881.51242.20242.17831.08732.58333.28202.76743.28911.3452
H93.41484.28803.94503.32562.31792.72512.76831.08732.96843.71562.72593.72982.1651
C103.65314.41204.13392.41363.80054.60544.39652.58332.96841.10221.09771.10201.4891
H114.05354.58644.68332.69334.33955.28064.73783.28203.71561.10221.78871.77282.1386
H124.40925.23404.89003.34894.20624.91474.75112.76742.72591.09771.78871.79062.1407
H133.98234.77884.20132.71244.38735.07055.14053.28913.72981.10201.77281.79062.1433
C142.27173.11662.86731.38072.32863.17523.00031.34522.16511.48912.13862.14072.1433

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 106.211 C1 C5 H6 111.383
C1 C5 H7 112.306 C1 C5 C8 100.736
H2 C1 H3 109.015 H2 C1 O4 107.577
H2 C1 C5 114.542 H3 C1 O4 107.374
H3 C1 C5 111.313 O4 C1 C5 106.693
O4 C14 C8 114.195 O4 C14 C10 114.452
C5 C8 H9 125.360 C5 C8 C14 109.008
H6 C5 H7 107.004 H6 C5 C8 113.873
H7 C5 C8 111.618 C8 C14 C10 131.343
H9 C8 C14 125.434 H11 C10 H12 108.798
H11 C10 H13 107.080 H11 C10 C14 110.350
H12 C10 H13 108.983 H12 C10 C14 110.795
H13 C10 C14 110.736
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.052      
2 H 0.128      
3 H 0.128      
4 O -0.315      
5 C -0.255      
6 H 0.132      
7 H 0.134      
8 C -0.222      
9 H 0.093      
10 C -0.292      
11 H 0.137      
12 H 0.128      
13 H 0.138      
14 C 0.118      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.389 0.578 0.122 0.707
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.530 1.240 -0.040
y 1.240 -37.824 -0.185
z -0.040 -0.185 -37.663
Traceless
 xyz
x 5.213 1.240 -0.040
y 1.240 -2.727 -0.185
z -0.040 -0.185 -2.486
Polar
3z2-r2-4.973
x2-y25.294
xy1.240
xz-0.040
yz-0.185


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.781 -0.547 0.026
y -0.547 9.015 -0.020
z 0.026 -0.020 6.467


<r2> (average value of r2) Å2
<r2> 157.174
(<r2>)1/2 12.537