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

using model chemistry: HSEh1PBE/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at HSEh1PBE/3-21G
 hartrees
Energy at 0K-268.771632
Energy at 298.15K-268.780633
HF Energy-268.771632
Nuclear repulsion energy235.876219
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 HSEh1PBE/3-21G
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 3295 3174 2.24      
2 A 3179 3062 7.89      
3 A 3161 3045 32.38      
4 A 3132 3017 8.67      
5 A 3106 2992 17.01      
6 A 3106 2992 33.69      
7 A 3074 2962 14.83      
8 A 3072 2959 33.11      
9 A 1752 1688 43.08      
10 A 1570 1512 0.51      
11 A 1549 1492 11.52      
12 A 1543 1486 0.46      
13 A 1533 1477 10.42      
14 A 1463 1410 15.20      
15 A 1402 1351 8.52      
16 A 1334 1285 14.25      
17 A 1293 1246 39.68      
18 A 1284 1237 0.50      
19 A 1218 1173 47.67      
20 A 1217 1173 1.73      
21 A 1119 1078 10.21      
22 A 1084 1044 0.51      
23 A 1068 1029 9.09      
24 A 1016 979 8.45      
25 A 986 950 50.53      
26 A 922 889 19.31      
27 A 892 859 17.25      
28 A 847 816 0.90      
29 A 772 743 34.59      
30 A 740 713 0.81      
31 A 638 615 1.47      
32 A 554 534 1.03      
33 A 324 312 2.72      
34 A 224 216 11.14      
35 A 154 148 1.71      
36 A 31 30 1.92      

Unscaled Zero Point Vibrational Energy (zpe) 26827.1 cm-1
Scaled (by 0.9633) Zero Point Vibrational Energy (zpe) 25842.5 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 HSEh1PBE/3-21G
ABC
0.24695 0.10749 0.07821

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/3-21G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.362 -0.759 0.244
H2 -2.157 -1.425 -0.096
H3 -1.297 -0.784 1.339
O4 -0.029 -1.102 -0.256
C5 -1.491 0.728 -0.147
H6 -2.241 1.206 0.486
H7 -1.744 0.837 -1.211
C8 -0.078 1.136 0.061
H9 0.273 2.120 0.204
C10 2.176 -0.003 0.056
H11 2.614 -0.399 -0.867
H12 2.573 1.000 0.228
H13 2.492 -0.653 0.879
C14 0.708 0.049 -0.035

Atom - Atom Distances (Å)
  C1 H2 H3 O4 C5 H6 H7 C8 H9 C10 H11 H12 H13 C14
C11.09151.09691.46451.54232.16602.19282.29643.31083.62334.14424.31003.90802.2395
H21.09151.79112.15812.25422.69632.55523.30274.30834.56334.94055.32494.81283.2224
H31.09691.79112.06162.12872.36273.05452.60913.49113.78424.50674.40363.81932.5692
O41.46452.15812.06162.34453.28172.75892.26103.26872.48402.80253.37962.80141.3844
C51.54232.25422.12872.34451.09161.09961.48572.27413.74494.31724.09004.33892.3039
H62.16602.69632.36273.28171.09161.80662.20562.68934.59995.28944.82505.10073.2103
H72.19282.55523.05452.75891.09961.80662.11802.77824.20494.54284.55344.95352.8313
C82.29643.30272.60912.26101.48572.20562.11801.05422.52553.23472.65923.23671.3448
H93.31084.30833.49113.26872.27412.68932.77821.05422.85533.60222.55863.61592.1299
C103.62334.56333.78422.48403.74494.59994.20492.52552.85531.09611.09161.09561.4723
H114.14424.94054.50672.80254.31725.28944.54283.23473.60221.09611.77711.76922.1275
H124.31005.32494.40363.37964.09004.82504.55342.65922.55861.09161.77711.77842.1097
H133.90804.81283.81932.80144.33895.10074.95353.23673.61591.09561.76921.77842.1244
C142.23953.22242.56921.38442.30393.21032.83131.34482.12991.47232.12752.10972.1244

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 103.608 C1 C5 H6 109.449
C1 C5 H7 111.086 C1 C5 C8 98.629
H2 C1 H3 109.863 H2 C1 O4 114.409
H2 C1 C5 116.667 H3 C1 O4 106.313
H3 C1 C5 106.298 O4 C1 C5 102.440
O4 C14 C8 111.870 O4 C14 C10 120.781
C5 C8 H9 126.269 C5 C8 C14 108.872
H6 C5 H7 111.064 H6 C5 C8 116.873
H7 C5 C8 109.110 C8 C14 C10 127.346
H9 C8 C14 124.766 H11 C10 H12 108.643
H11 C10 H13 107.652 H11 C10 C14 111.017
H12 C10 H13 108.801 H12 C10 C14 109.859
H13 C10 C14 110.796
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.198      
2 H 0.231      
3 H 0.231      
4 O -0.518      
5 C -0.494      
6 H 0.231      
7 H 0.231      
8 C -0.285      
9 H 0.204      
10 C -0.686      
11 H 0.245      
12 H 0.228      
13 H 0.245      
14 C 0.335      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.513 0.856 -0.001 0.998
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.098 1.336 0.001
y 1.336 -37.622 0.002
z 0.001 0.002 -37.396
Traceless
 xyz
x 6.411 1.336 0.001
y 1.336 -3.375 0.002
z 0.001 0.002 -3.035
Polar
3z2-r2-6.071
x2-y26.524
xy1.336
xz0.001
yz0.002


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.064 -0.495 0.000
y -0.495 7.772 -0.000
z 0.000 -0.000 5.097


<r2> (average value of r2) Å2
<r2> 158.144
(<r2>)1/2 12.576