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

using model chemistry: B3LYP/6-311G*

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/6-311G*
 hartrees
Energy at 0K-270.608661
Energy at 298.15K-270.617801
Nuclear repulsion energy237.778556
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/6-311G*
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 3228 3120 6.67      
2 A 3126 3021 19.83      
3 A 3109 3004 46.28      
4 A 3080 2976 20.06      
5 A 3055 2952 63.98      
6 A 3034 2932 36.86      
7 A 3034 2931 30.91      
8 A 3001 2900 60.51      
9 A 1729 1671 55.82      
10 A 1536 1484 0.53      
11 A 1514 1463 0.66      
12 A 1507 1456 6.20      
13 A 1488 1438 9.14      
14 A 1432 1384 15.67      
15 A 1408 1361 6.77      
16 A 1329 1284 7.61      
17 A 1277 1234 40.09      
18 A 1260 1218 8.24      
19 A 1220 1179 5.67      
20 A 1204 1163 51.22      
21 A 1089 1052 0.21      
22 A 1072 1036 3.26      
23 A 1043 1008 23.08      
24 A 1018 983 20.99      
25 A 982 949 30.18      
26 A 934 903 19.84      
27 A 912 881 24.20      
28 A 858 829 5.26      
29 A 729 705 28.34      
30 A 703 680 3.14      
31 A 632 611 0.92      
32 A 561 542 1.16      
33 A 335 324 2.29      
34 A 225 217 7.25      
35 A 171 166 2.32      
36 A 109 105 1.54      

Unscaled Zero Point Vibrational Energy (zpe) 26471.9 cm-1
Scaled (by 0.9663) Zero Point Vibrational Energy (zpe) 25579.8 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/6-311G*
ABC
0.25188 0.10886 0.07963

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-311G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.366 -0.815 0.085
H2 -1.908 -1.402 -0.657
H3 -1.652 -1.158 1.084
O4 0.048 -1.094 -0.084
C5 -1.536 0.714 -0.066
H6 -2.189 1.124 0.711
H7 -1.978 0.990 -1.032
C8 -0.100 1.172 0.046
H9 0.222 2.203 0.089
C10 2.192 0.003 0.008
H11 2.543 -0.500 -0.898
H12 2.655 0.989 0.062
H13 2.533 -0.594 0.860
C14 0.707 0.110 0.001

Atom - Atom Distances (Å)
  C1 H2 H3 O4 C5 H6 H7 C8 H9 C10 H11 H12 H13 C14
C11.09031.09461.45071.54572.19752.20882.35663.41013.65124.04304.40683.98112.2719
H21.09031.77692.06162.22832.88622.42203.22354.25304.38464.54825.20124.76193.0921
H31.09461.77692.06312.19972.37363.03262.98573.97424.15654.68604.91914.22832.8889
O41.45072.06162.06312.40303.24813.05652.27393.30552.40962.69113.33962.70451.3751
C51.54572.22832.19972.40301.09441.09781.51162.30863.79524.33644.20144.37262.3239
H62.19752.88622.37363.24811.09441.76072.19292.71314.57585.25534.88865.02653.1494
H72.20882.42203.03263.05651.09781.76072.17332.75044.40904.76214.75985.14113.0085
C82.35663.22352.98572.27391.51162.19292.17331.08072.57243.26682.76043.27251.3344
H93.41014.25303.97423.30552.30862.71312.75041.08072.95423.69742.71933.70912.1502
C103.65124.38464.15652.40963.79524.57584.40902.57242.95421.09451.09051.09431.4881
H114.04304.54824.68602.69114.33645.25534.76213.26683.69741.09451.77521.76002.1335
H124.40685.20124.91913.33964.20144.88864.75982.76042.71931.09051.77521.77642.1373
H133.98114.76194.22832.70454.37265.02655.14113.27253.70911.09431.76001.77642.1365
C142.27193.09212.88891.37512.32393.14943.00851.33442.15021.48812.13352.13732.1365

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 106.993 C1 C5 H6 111.540
C1 C5 H7 112.243 C1 C5 C8 100.847
H2 C1 H3 108.835 H2 C1 O4 107.604
H2 C1 C5 114.304 H3 C1 O4 107.477
H3 C1 C5 111.711 O4 C1 C5 106.594
O4 C14 C8 114.115 O4 C14 C10 114.557
C5 C8 H9 125.055 C5 C8 C14 109.322
H6 C5 H7 106.868 H6 C5 C8 113.632
H7 C5 C8 111.805 C8 C14 C10 131.321
H9 C8 C14 125.506 H11 C10 H12 108.669
H11 C10 H13 107.049 H11 C10 C14 110.469
H12 C10 H13 108.797 H12 C10 C14 111.018
H13 C10 C14 110.725
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.213     -0.017
2 H 0.209     0.074
3 H 0.205     0.067
4 O -0.344     -0.322
5 C -0.433     0.137
6 H 0.211     0.003
7 H 0.210     0.008
8 C -0.322     -0.461
9 H 0.188     0.161
10 C -0.663     -0.743
11 H 0.225     0.208
12 H 0.220     0.205
13 H 0.224     0.205
14 C 0.283     0.475


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.455 0.692 0.118 0.837
CHELPG        
AIM        
ESP -0.453 0.654 0.115 0.804


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.670 1.302 -0.026
y 1.302 -38.030 -0.163
z -0.026 -0.163 -37.635
Traceless
 xyz
x 5.163 1.302 -0.026
y 1.302 -2.878 -0.163
z -0.026 -0.163 -2.285
Polar
3z2-r2-4.571
x2-y25.361
xy1.302
xz-0.026
yz-0.163


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.208 -0.585 0.017
y -0.585 8.662 -0.010
z 0.017 -0.010 6.187


<r2> (average value of r2) Å2
<r2> 156.627
(<r2>)1/2 12.515