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

using model chemistry: PBE1PBE/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at PBE1PBE/6-31G*
 hartrees
Energy at 0K-270.229103
Energy at 298.15K-270.238270
HF Energy-270.229103
Nuclear repulsion energy238.592828
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 PBE1PBE/6-31G*
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 3286 3122 3.75      
2 A 3184 3026 11.51      
3 A 3150 2993 37.00      
4 A 3139 2983 11.14      
5 A 3103 2949 36.60      
6 A 3075 2922 19.90      
7 A 3071 2918 44.33      
8 A 3046 2895 50.44      
9 A 1773 1685 57.39      
10 A 1548 1471 0.33      
11 A 1523 1447 0.38      
12 A 1515 1440 4.46      
13 A 1497 1422 8.49      
14 A 1448 1376 31.57      
15 A 1425 1354 4.27      
16 A 1347 1280 10.05      
17 A 1290 1226 65.60      
18 A 1274 1211 4.53      
19 A 1233 1171 27.64      
20 A 1224 1163 4.83      
21 A 1094 1039 0.65      
22 A 1077 1023 31.83      
23 A 1073 1019 25.47      
24 A 1044 992 5.55      
25 A 1004 954 12.15      
26 A 959 912 15.68      
27 A 935 889 21.68      
28 A 869 825 2.83      
29 A 737 701 26.69      
30 A 703 668 1.54      
31 A 643 611 1.14      
32 A 562 534 1.89      
33 A 335 318 2.29      
34 A 226 215 6.68      
35 A 173 164 2.33      
36 A 114 108 1.55      

Unscaled Zero Point Vibrational Energy (zpe) 26847.8 cm-1
Scaled (by 0.9503) Zero Point Vibrational Energy (zpe) 25513.4 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 PBE1PBE/6-31G*
ABC
0.25319 0.10978 0.08030

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.349 -0.815 0.090
H2 -1.903 -1.411 -0.640
H3 -1.628 -1.147 1.098
O4 0.050 -1.088 -0.089
C5 -1.533 0.705 -0.070
H6 -2.196 1.111 0.703
H7 -1.972 0.974 -1.042
C8 -0.107 1.171 0.048
H9 0.211 2.204 0.095
C10 2.184 0.006 0.009
H11 2.536 -0.495 -0.900
H12 2.642 0.996 0.065
H13 2.525 -0.593 0.861
C14 0.703 0.110 0.001

Atom - Atom Distances (Å)
  C1 H2 H3 O4 C5 H6 H7 C8 H9 C10 H11 H12 H13 C14
C11.09311.09741.43641.53942.19182.20632.34263.39823.62774.02164.38283.95662.2526
H21.09311.77912.05452.22282.87272.41953.21974.25194.37374.53955.19124.74673.0849
H31.09741.77912.05602.19152.36193.03212.96423.95184.12844.66424.88804.19682.8664
O41.43642.05452.05602.39183.24173.04072.26893.30102.40002.68143.32972.69731.3678
C51.53942.22282.19152.39181.09651.09991.50422.30543.78244.32224.18724.36122.3145
H62.19182.87272.36193.24171.09651.76462.18962.71274.57025.24794.88165.02223.1462
H72.20632.41953.03213.04071.09991.76462.16892.75164.39424.74274.74505.12832.9980
C82.34263.21972.96422.26891.50422.18962.16891.08182.57073.26532.75533.27161.3357
H93.39824.25193.95183.30102.30542.71272.75161.08182.95443.69832.71473.71002.1525
C103.62774.37374.12842.40003.78244.57024.39422.57072.95441.09631.09231.09611.4845
H114.02164.53954.66422.68144.32225.24794.74273.26533.69831.09631.77931.76422.1304
H124.38285.19124.88803.32974.18724.88164.74502.75532.71471.09231.77931.78082.1328
H133.95664.74674.19682.69734.36125.02225.12833.27163.71001.09611.76421.78082.1342
C142.25263.08492.86641.36782.31453.14622.99801.33572.15251.48452.13042.13282.1342

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 106.866 C1 C5 H6 111.404
C1 C5 H7 112.354 C1 C5 C8 100.641
H2 C1 H3 108.625 H2 C1 O4 107.857
H2 C1 C5 114.143 H3 C1 O4 107.717
H3 C1 C5 111.322 O4 C1 C5 106.925
O4 C14 C8 114.110 O4 C14 C10 114.519
C5 C8 H9 125.328 C5 C8 C14 109.029
H6 C5 H7 106.912 H6 C5 C8 113.770
H7 C5 C8 111.849 C8 C14 C10 131.364
H9 C8 C14 125.517 H11 C10 H12 108.781
H11 C10 H13 107.163 H11 C10 C14 110.373
H12 C10 H13 108.928 H12 C10 C14 110.807
H13 C10 C14 110.692
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.084      
2 H 0.178      
3 H 0.173      
4 O -0.505      
5 C -0.390      
6 H 0.178      
7 H 0.179      
8 C -0.278      
9 H 0.162      
10 C -0.595      
11 H 0.198      
12 H 0.189      
13 H 0.197      
14 C 0.398      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.373 0.659 0.130 0.769
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.790 1.212 -0.021
y 1.212 -37.082 -0.169
z -0.021 -0.169 -36.885
Traceless
 xyz
x 5.194 1.212 -0.021
y 1.212 -2.744 -0.169
z -0.021 -0.169 -2.449
Polar
3z2-r2-4.898
x2-y25.292
xy1.212
xz-0.021
yz-0.169


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.546 -0.564 0.024
y -0.564 8.143 0.007
z 0.024 0.007 5.695


<r2> (average value of r2) Å2
<r2> 155.105
(<r2>)1/2 12.454