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All results from a given calculation for C4H6O (Furan, 2,5-dihydro-)

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 C2V 1A1
Energy calculated at B3LYP/6-311G*
 hartrees
Energy at 0K-231.270471
Energy at 298.15K-231.277625
Nuclear repulsion energy173.988662
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 A1 3215 3107 13.60      
2 A1 2985 2884 12.94      
3 A1 1691 1634 0.00      
4 A1 1543 1491 1.18      
5 A1 1401 1353 4.76      
6 A1 1123 1085 1.49      
7 A1 989 955 7.90      
8 A1 909 879 20.94      
9 A1 758 732 6.69      
10 A2 2994 2893 0.00      
11 A2 1232 1190 0.00      
12 A2 1067 1031 0.00      
13 A2 944 912 0.00      
14 A2 391 378 0.00      
15 B1 2996 2895 129.58      
16 B1 1184 1144 2.64      
17 B1 1034 999 18.72      
18 B1 676 653 38.35      
19 B1 112 108 7.69      
20 B2 3191 3084 6.63      
21 B2 2978 2878 172.27      
22 B2 1531 1479 1.68      
23 B2 1376 1330 1.75      
24 B2 1335 1290 0.10      
25 B2 1109 1072 103.48      
26 B2 917 886 0.04      
27 B2 815 787 3.67      

Unscaled Zero Point Vibrational Energy (zpe) 20246.7 cm-1
Scaled (by 0.9663) Zero Point Vibrational Energy (zpe) 19564.4 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
0.26751 0.26326 0.13964

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.190
C2 0.000 1.173 0.370
C3 0.000 0.664 -1.044
C4 0.000 -0.664 -1.044
C5 0.000 -1.173 0.370
H6 0.886 1.783 0.598
H7 -0.886 1.783 0.598
H8 -0.886 -1.783 0.598
H9 0.886 -1.783 0.598
H10 0.000 1.312 -1.912
H11 0.000 -1.312 -1.912

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11
O11.43052.33022.33021.43052.07682.07682.07682.07683.36793.3679
C21.43051.50302.31772.34511.09971.09973.09383.09382.28673.3739
C32.33021.50301.32732.31772.17602.17603.07703.07701.08362.1581
C42.33022.31771.32731.50303.07703.07702.17602.17602.15811.0836
C51.43052.34512.31771.50303.09383.09381.09971.09973.37392.2867
H62.07681.09972.17603.07703.09381.77183.98183.56582.70354.0825
H72.07681.09972.17603.07703.09381.77183.56583.98182.70354.0825
H82.07683.09383.07702.17601.09973.98183.56581.77184.08252.7035
H92.07683.09383.07702.17601.09973.56583.98181.77184.08252.7035
H103.36792.28671.08362.15813.37392.70352.70354.08254.08252.6242
H113.36793.37392.15811.08362.28674.08254.08252.70352.70352.6242

picture of Furan, 2,5-dihydro- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 C3 105.154 O1 C2 H6 109.641
O1 C2 H7 109.641 O1 C5 C4 105.154
O1 C5 H8 109.641 O1 C5 H9 109.641
C2 O1 C5 110.109 C2 C3 C4 109.791
C2 C3 H10 123.451 C3 C2 H6 112.524
C3 C2 H7 112.524 C3 C4 C5 109.791
C3 C4 H11 126.758 C4 C3 H10 126.758
C4 C5 H8 112.524 C4 C5 H9 112.524
C5 C4 H11 123.451 H6 C2 H7 107.333
H8 C5 H9 107.333
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 O -0.363      
2 C -0.188      
3 C -0.221      
4 C -0.221      
5 C -0.188      
6 H 0.197      
7 H 0.197      
8 H 0.197      
9 H 0.197      
10 H 0.197      
11 H 0.197      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 -1.734 1.734
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.224 0.000 0.000
y 0.000 -26.134 0.000
z 0.000 0.000 -32.226
Traceless
 xyz
x -2.045 0.000 0.000
y 0.000 5.591 0.000
z 0.000 0.000 -3.547
Polar
3z2-r2-7.093
x2-y2-5.090
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.744 0.000 0.000
y 0.000 8.780 0.000
z 0.000 0.000 6.206


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