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

using model chemistry: B3LYP/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 B3LYP/STO-3G
 hartrees
Energy at 0K-267.162623
Energy at 298.15K-267.171349
Nuclear repulsion energy232.663616
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 B3LYP/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 3501 3124 13.62      
2 A 3487 3112 0.03      
3 A 3456 3084 0.14      
4 A 3414 3047 4.60      
5 A 3395 3030 2.57      
6 A 3314 2958 5.70      
7 A 3306 2950 0.31      
8 A 3292 2938 7.64      
9 A 1846 1647 27.12      
10 A 1678 1498 0.08      
11 A 1668 1488 6.44      
12 A 1658 1480 4.25      
13 A 1656 1478 0.62      
14 A 1560 1392 2.22      
15 A 1492 1331 6.06      
16 A 1423 1270 10.52      
17 A 1368 1221 49.83      
18 A 1331 1188 0.02      
19 A 1281 1143 16.68      
20 A 1249 1114 1.36      
21 A 1147 1023 5.54      
22 A 1131 1010 0.71      
23 A 1130 1008 8.10      
24 A 1106 987 2.83      
25 A 1049 936 4.15      
26 A 1002 894 7.15      
27 A 940 839 6.49      
28 A 873 779 0.01      
29 A 765 683 13.72      
30 A 763 681 0.35      
31 A 644 575 1.25      
32 A 523 467 1.39      
33 A 325 290 1.42      
34 A 229 204 4.47      
35 A 135 120 1.85      
36 A 101 90 0.05      

Unscaled Zero Point Vibrational Energy (zpe) 28617.0 cm-1
Scaled (by 0.8924) Zero Point Vibrational Energy (zpe) 25537.8 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 B3LYP/STO-3G
ABC
0.23940 0.10461 0.07597

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/STO-3G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.409 -0.817 -0.000
H2 1.867 -1.282 0.899
H3 1.867 -1.281 -0.900
O4 -0.050 -1.155 0.000
C5 1.555 0.751 0.000
H6 2.106 1.104 -0.891
H7 2.105 1.104 0.893
C8 0.087 1.189 0.000
H9 -0.236 2.232 0.000
C10 -2.242 0.008 -0.000
H11 -2.598 -0.534 0.892
H12 -2.681 1.017 -0.001
H13 -2.597 -0.536 -0.891
C14 -0.715 0.105 -0.000

Atom - Atom Distances (Å)
  C1 H2 H3 O4 C5 H6 H7 C8 H9 C10 H11 H12 H13 C14
C11.11071.11071.49791.57462.22962.22962.40313.46533.74384.11504.48314.11432.3159
H21.11071.79872.12132.24392.99242.39733.17544.19304.40004.52715.17534.86773.0658
H31.11071.79872.12132.24382.39712.99273.17484.19244.39954.86845.17424.52593.0653
O41.49792.12132.12132.49133.24733.24682.34813.39242.48162.76993.41172.76891.4247
C51.57462.24392.24382.49131.10611.10611.53212.32463.86904.43724.24474.43752.3598
H62.22962.99242.39713.24731.10611.78402.20832.74804.57165.29014.86994.98083.1222
H72.22962.39732.99273.24681.10611.78402.20832.74814.57124.97964.87015.29003.1219
C82.40313.17543.17482.34811.53212.20832.20831.09202.61163.31242.77393.31311.3485
H93.46534.19304.19243.39242.32462.74802.74811.09202.99523.74492.73093.74612.1804
C103.74384.40004.39952.48163.86904.57164.57122.61162.99521.10301.09991.10301.5304
H114.11504.52714.86842.76994.43725.29014.97963.31243.74491.10301.79151.78382.1793
H124.48315.17535.17423.41174.24474.86994.87012.77392.73091.09991.79151.79152.1675
H134.11434.86774.52592.76894.43754.98085.29003.31313.74611.10301.78381.79152.1793
C142.31593.06583.06531.42472.35983.12223.12191.34852.18041.53042.17932.16752.1793

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 104.796 C1 C5 H6 111.349
C1 C5 H7 111.351 C1 C5 C8 101.336
H2 C1 H3 108.136 H2 C1 O4 107.896
H2 C1 C5 112.212 H3 C1 O4 107.896
H3 C1 C5 112.203 O4 C1 C5 108.326
O4 C14 C8 115.690 O4 C14 C10 114.187
C5 C8 H9 123.852 C5 C8 C14 109.852
H6 C5 H7 107.496 H6 C5 C8 112.667
H7 C5 C8 112.661 C8 C14 C10 130.122
H9 C8 C14 126.297 H11 C10 H12 108.827
H11 C10 H13 107.924 H11 C10 C14 110.649
H12 C10 H13 108.829 H12 C10 C14 109.905
H13 C10 C14 110.648
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.047      
2 H 0.079      
3 H 0.079      
4 O -0.176      
5 C -0.142      
6 H 0.076      
7 H 0.076      
8 C -0.133      
9 H 0.072      
10 C -0.229      
11 H 0.089      
12 H 0.088      
13 H 0.089      
14 C 0.080      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.340 0.469 -0.000 0.579
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.529 -0.920 -0.000
y -0.920 -35.044 0.000
z -0.000 0.000 -34.217
Traceless
 xyz
x 4.101 -0.920 -0.000
y -0.920 -2.671 0.000
z -0.000 0.000 -1.430
Polar
3z2-r2-2.861
x2-y24.515
xy-0.920
xz-0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.856 0.263 0.000
y 0.263 5.102 0.000
z 0.000 0.000 2.754


<r2> (average value of r2) Å2
<r2> 160.796
(<r2>)1/2 12.681