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

using model chemistry: B1B95/CEP-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 B1B95/CEP-31G*
 hartrees
Energy at 0K-48.942808
Energy at 298.15K-48.951940
Nuclear repulsion energy128.093901
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 B1B95/CEP-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 3263 3123 3.35      
2 A 3189 3052 19.74      
3 A 3150 3015 48.59      
4 A 3149 3014 24.60      
5 A 3123 2989 34.75      
6 A 3079 2947 24.38      
7 A 3068 2936 63.79      
8 A 3059 2929 56.90      
9 A 1751 1677 65.19      
10 A 1514 1450 1.57      
11 A 1491 1427 1.69      
12 A 1480 1417 4.81      
13 A 1464 1402 9.48      
14 A 1426 1365 45.97      
15 A 1399 1340 2.17      
16 A 1328 1271 9.50      
17 A 1272 1218 88.73      
18 A 1255 1202 1.73      
19 A 1214 1162 15.71      
20 A 1200 1148 4.94      
21 A 1074 1028 49.17      
22 A 1059 1014 0.63      
23 A 1045 1001 7.10      
24 A 1019 975 10.66      
25 A 980 938 7.71      
26 A 954 913 13.35      
27 A 922 883 24.25      
28 A 854 817 2.98      
29 A 758 726 46.51      
30 A 665 636 0.50      
31 A 626 599 1.21      
32 A 542 519 1.07      
33 A 322 308 2.59      
34 A 225 215 8.16      
35 A 172 165 3.87      
36 A 150 143 1.16      

Unscaled Zero Point Vibrational Energy (zpe) 26619.2 cm-1
Scaled (by 0.9572) Zero Point Vibrational Energy (zpe) 25479.9 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 B1B95/CEP-31G*
ABC
0.24859 0.10758 0.07892

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/CEP-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.350 -0.820 0.119
H2 -1.940 -1.455 -0.558
H3 -1.575 -1.102 1.163
O4 0.046 -1.097 -0.115
C5 -1.553 0.703 -0.093
H6 -2.250 1.120 0.650
H7 -1.953 0.940 -1.096
C8 -0.120 1.187 0.063
H9 0.202 2.224 0.129
C10 2.210 0.010 0.011
H11 2.569 -0.472 -0.914
H12 2.655 1.012 0.087
H13 2.554 -0.603 0.860
C14 0.707 0.105 0.001

Atom - Atom Distances (Å)
  C1 H2 H3 O4 C5 H6 H7 C8 H9 C10 H11 H12 H13 C14
C11.09951.10471.44291.55072.20322.22132.35443.41703.65704.06794.40433.97992.2589
H21.09951.79432.06622.24072.86082.45403.26754.31244.43734.62875.25494.78873.1229
H31.10471.79432.06482.19892.37773.06782.92663.91004.10964.67804.84964.17032.8314
O41.44292.06622.06482.40803.28243.01772.29663.33392.43362.71893.36062.73571.3765
C51.55072.24072.19892.40801.10121.10481.52102.33363.82754.36414.22354.41412.3402
H62.20322.86082.37773.28241.10121.78022.21092.73954.64005.31064.93875.10823.1936
H72.22132.45403.06783.01771.10481.78022.18302.79234.40664.74084.75835.14982.9962
C82.35443.26752.92662.29661.52102.21092.18301.08832.61013.30652.78053.31481.3632
H93.41704.31243.91003.33392.33362.73952.79231.08832.99093.73592.73673.74962.1826
C103.65704.43734.10962.43363.82754.64004.40662.61012.99091.10271.09861.10251.5053
H114.06794.62874.67802.71894.36415.31064.74083.30653.73591.10271.79131.77832.1526
H124.40435.25494.84963.36064.22354.93874.75832.78052.73671.09861.79131.79302.1503
H133.97994.78874.17032.73574.41415.10825.14983.31483.74961.10251.77831.79302.1564
C142.25893.12292.83141.37652.34023.19362.99621.36322.18261.50532.15262.15032.1564

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 106.464 C1 C5 H6 111.233
C1 C5 H7 112.452 C1 C5 C8 100.074
H2 C1 H3 108.979 H2 C1 O4 107.955
H2 C1 C5 114.371 H3 C1 O4 107.546
H3 C1 C5 110.685 O4 C1 C5 107.043
O4 C14 C8 113.916 O4 C14 C10 115.151
C5 C8 H9 126.032 C5 C8 C14 108.339
H6 C5 H7 107.603 H6 C5 C8 113.993
H7 C5 C8 111.491 C8 C14 C10 130.921
H9 C8 C14 125.447 H11 C10 H12 108.923
H11 C10 H13 107.490 H11 C10 C14 110.296
H12 C10 H13 109.091 H12 C10 C14 110.359
H13 C10 C14 110.615
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/CEP-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.167      
2 H 0.188      
3 H 0.131      
4 O -0.086      
5 C -0.323      
6 H 0.150      
7 H 0.128      
8 C -0.155      
9 H 0.340      
10 C -0.350      
11 H 0.148      
12 H 0.168      
13 H 0.148      
14 C -0.321      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.460 0.666 0.165 0.826
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.297 1.231 -0.035
y 1.231 -36.993 -0.282
z -0.035 -0.282 -36.639
Traceless
 xyz
x 5.520 1.231 -0.035
y 1.231 -3.025 -0.282
z -0.035 -0.282 -2.494
Polar
3z2-r2-4.989
x2-y25.697
xy1.231
xz-0.035
yz-0.282


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.719 -0.581 0.045
y -0.581 8.342 0.035
z 0.045 0.035 5.705


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