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

using model chemistry: B1B95/STO-3G

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/STO-3G
 hartrees
Energy at 0K-267.070475
Energy at 298.15K-267.079242
Nuclear repulsion energy234.129950
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/STO-3G
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 3530 3117 16.47      
2 A 3517 3105 0.06      
3 A 3485 3077 0.00      
4 A 3442 3040 2.63      
5 A 3421 3020 2.18      
6 A 3342 2951 4.21      
7 A 3331 2941 0.08      
8 A 3317 2929 6.58      
9 A 1880 1660 28.47      
10 A 1678 1481 0.02      
11 A 1665 1470 6.06      
12 A 1656 1463 0.22      
13 A 1655 1461 4.74      
14 A 1559 1377 4.08      
15 A 1504 1328 8.58      
16 A 1434 1266 9.66      
17 A 1380 1219 57.90      
18 A 1334 1178 0.03      
19 A 1298 1146 10.12      
20 A 1255 1109 1.42      
21 A 1156 1021 8.08      
22 A 1147 1013 5.78      
23 A 1134 1002 1.35      
24 A 1112 982 4.70      
25 A 1065 940 4.16      
26 A 1017 898 6.08      
27 A 956 844 6.74      
28 A 876 774 0.01      
29 A 778 687 14.09      
30 A 766 677 0.32      
31 A 652 576 1.26      
32 A 531 469 1.34      
33 A 327 289 1.51      
34 A 231 204 4.76      
35 A 127 112 1.85      
36 A 105 93 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 28831.9 cm-1
Scaled (by 0.883) Zero Point Vibrational Energy (zpe) 25458.5 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 B1B95/STO-3G
ABC
0.24241 0.10602 0.07700

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/STO-3G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.397 -0.811 -0.000
H2 -1.855 -1.274 -0.897
H3 -1.857 -1.275 0.895
O4 0.049 -1.148 0.000
C5 -1.545 0.744 0.000
H6 -2.094 1.096 0.890
H7 -2.096 1.097 -0.888
C8 -0.089 1.182 -0.000
H9 0.234 2.222 -0.001
C10 2.227 0.009 0.000
H11 2.583 -0.538 -0.886
H12 2.664 1.016 -0.007
H13 2.584 -0.525 0.893
C14 0.710 0.103 -0.000

Atom - Atom Distances (Å)
  C1 H2 H3 O4 C5 H6 H7 C8 H9 C10 H11 H12 H13 C14
C11.10821.10821.48491.56172.21702.21712.38383.44403.71564.08634.45244.08972.2963
H21.10821.79182.10912.22982.97762.38283.15514.17044.37244.49915.14344.84473.0462
H31.10821.79182.10922.22982.38252.97663.15634.17174.37344.83995.14714.50333.0472
O41.48492.10912.10922.47373.22813.22942.33393.37542.46632.75283.39372.75841.4144
C51.56172.22982.22982.47371.10341.10331.52052.31313.84264.41204.21704.41052.3440
H62.21702.97762.38253.22811.10341.77812.19592.73554.54375.26284.84214.95083.1050
H72.21712.38282.97663.22941.10331.77812.19612.73534.54504.95604.84075.26323.1061
C82.38383.15513.15632.33391.52052.19592.19611.08952.59563.29822.75723.29471.3425
H93.44404.17044.17173.37542.31312.73552.73531.08952.97813.73082.71253.72422.1724
C103.71564.37244.37342.46633.84264.54374.54502.59562.97811.10031.09711.10031.5200
H114.08634.49914.83992.75284.41205.26284.95603.29823.73081.10031.78671.77892.1686
H124.45245.14345.14713.39374.21704.84214.84072.75722.71251.09711.78671.78662.1565
H134.08974.84474.50332.75844.41054.95085.26323.29473.72421.10031.77891.78662.1688
C142.29633.04623.04721.41442.34403.10503.10611.34252.17241.52002.16862.15652.1688

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 104.723 C1 C5 H6 111.422
C1 C5 H7 111.433 C1 C5 C8 101.312
H2 C1 H3 107.881 H2 C1 O4 107.971
H2 C1 C5 112.151 H3 C1 O4 107.977
H3 C1 C5 112.147 O4 C1 C5 108.553
O4 C14 C8 115.654 O4 C14 C10 114.325
C5 C8 H9 123.977 C5 C8 C14 109.758
H6 C5 H7 107.367 H6 C5 C8 112.660
H7 C5 C8 112.681 C8 C14 C10 130.021
H9 C8 C14 126.265 H11 C10 H12 108.799
H11 C10 H13 107.874 H11 C10 C14 110.692
H12 C10 H13 108.787 H12 C10 C14 109.922
H13 C10 C14 110.705
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.051      
2 H 0.082      
3 H 0.082      
4 O -0.180      
5 C -0.150      
6 H 0.080      
7 H 0.080      
8 C -0.137      
9 H 0.076      
10 C -0.239      
11 H 0.092      
12 H 0.091      
13 H 0.092      
14 C 0.081      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.343 0.482 0.000 0.592
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.472 0.907 0.000
y 0.907 -34.984 0.001
z 0.000 0.001 -34.141
Traceless
 xyz
x 4.090 0.907 0.000
y 0.907 -2.677 0.001
z 0.000 0.001 -1.413
Polar
3z2-r2-2.826
x2-y24.512
xy0.907
xz0.000
yz0.001


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.716 -0.266 0.001
y -0.266 5.004 -0.000
z 0.001 -0.000 2.715


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