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

using model chemistry: PBEPBE/6-31G(2df,p)

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/6-31G(2df,p)
 hartrees
Energy at 0K-270.220210
Energy at 298.15K-270.229168
Nuclear repulsion energy236.955172
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/6-31G(2df,p)
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 3184 3151 3.93      
2 A 3087 3055 10.33      
3 A 3035 3004 35.30      
4 A 3034 3003 9.88      
5 A 2996 2965 34.44      
6 A 2976 2945 22.91      
7 A 2958 2928 46.49      
8 A 2938 2908 51.24      
9 A 1685 1668 48.42      
10 A 1465 1450 0.38      
11 A 1443 1429 0.37      
12 A 1438 1423 3.70      
13 A 1419 1404 6.63      
14 A 1368 1354 26.45      
15 A 1352 1338 1.07      
16 A 1274 1261 11.46      
17 A 1225 1213 42.05      
18 A 1214 1201 5.28      
19 A 1171 1159 24.27      
20 A 1165 1153 4.89      
21 A 1042 1031 0.35      
22 A 1019 1008 3.91      
23 A 1000 989 39.71      
24 A 999 989 6.38      
25 A 958 948 22.39      
26 A 920 911 9.50      
27 A 892 883 19.00      
28 A 825 817 2.96      
29 A 695 687 18.57      
30 A 678 671 3.96      
31 A 622 616 0.79      
32 A 541 535 1.36      
33 A 323 320 1.87      
34 A 217 215 6.16      
35 A 159 158 1.44      
36 A 101 100 0.94      

Unscaled Zero Point Vibrational Energy (zpe) 25709.5 cm-1
Scaled (by 0.9897) Zero Point Vibrational Energy (zpe) 25444.7 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/6-31G(2df,p)
ABC
0.24943 0.10847 0.07922

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/6-31G(2df,p)

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.361 -0.819 0.083
H2 -1.909 -1.412 -0.665
H3 -1.656 -1.166 1.090
O4 0.056 -1.100 -0.082
C5 -1.542 0.712 -0.066
H6 -2.205 1.118 0.717
H7 -1.993 0.990 -1.038
C8 -0.108 1.178 0.047
H9 0.215 2.216 0.086
C10 2.195 0.009 0.008
H11 2.554 -0.502 -0.902
H12 2.650 1.007 0.055
H13 2.546 -0.584 0.869
C14 0.708 0.110 0.002

Atom - Atom Distances (Å)
  C1 H2 H3 O4 C5 H6 H7 C8 H9 C10 H11 H12 H13 C14
C11.10091.10541.45391.54892.20632.21982.35863.42043.65154.04924.40783.99212.2690
H21.10091.79092.07362.23722.89822.43163.23474.27094.39484.56125.21194.78433.0998
H31.10541.79092.07572.20822.37883.04812.99723.99404.16864.70424.93354.24742.8980
O41.45392.07362.07572.41593.26663.07872.28843.32482.41092.69613.34562.71501.3769
C51.54892.23722.20822.41591.10341.10731.51222.31783.80254.35264.20414.38882.3293
H62.20632.89822.37883.26661.10341.77272.20242.73134.59205.28104.90125.04863.1638
H72.21982.43163.04813.07871.10731.77272.18302.76424.42594.78694.76995.16843.0242
C82.35863.23472.99722.28841.51222.20242.18301.08762.58263.28752.76333.29021.3449
H93.42044.27093.99403.32482.31782.73132.76421.08762.96623.71952.71913.72722.1651
C103.65154.39484.16862.41093.80254.59204.42592.58262.96621.10341.09881.10321.4905
H114.04924.56124.70422.69614.35265.28104.78693.28753.71951.10341.78981.77282.1445
H124.40785.21194.93353.34564.20414.90124.76992.76332.71911.09881.78981.79112.1409
H133.99214.78434.24742.71504.38885.04865.16843.29023.72721.10321.77281.79112.1480
C142.26903.09982.89801.37692.32933.16383.02421.34492.16511.49052.14452.14092.1480

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 106.521 C1 C5 H6 111.469
C1 C5 H7 112.315 C1 C5 C8 100.796
H2 C1 H3 108.523 H2 C1 O4 107.711
H2 C1 C5 114.126 H3 C1 O4 107.617
H3 C1 C5 111.506 O4 C1 C5 107.091
O4 C14 C8 114.430 O4 C14 C10 114.388
C5 C8 H9 125.341 C5 C8 C14 109.090
H6 C5 H7 106.619 H6 C5 C8 113.792
H7 C5 C8 111.969 C8 C14 C10 131.176
H9 C8 C14 125.433 H11 C10 H12 108.726
H11 C10 H13 106.915 H11 C10 C14 110.652
H12 C10 H13 108.858 H12 C10 C14 110.641
H13 C10 C14 110.940
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.115      
2 H 0.122      
3 H 0.117      
4 O -0.237      
5 C -0.288      
6 H 0.119      
7 H 0.118      
8 C -0.266      
9 H 0.096      
10 C -0.518      
11 H 0.148      
12 H 0.142      
13 H 0.147      
14 C 0.414      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.299 0.509 0.096 0.598
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.330 1.093 -0.016
y 1.093 -37.027 -0.135
z -0.016 -0.135 -36.716
Traceless
 xyz
x 4.542 1.093 -0.016
y 1.093 -2.504 -0.135
z -0.016 -0.135 -2.038
Polar
3z2-r2-4.075
x2-y24.697
xy1.093
xz-0.016
yz-0.135


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.442 -0.480 0.026
y -0.480 8.650 -0.011
z 0.026 -0.011 6.172


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000