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

using model chemistry: B3LYP/aug-cc-pVDZ

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/aug-cc-pVDZ
 hartrees
Energy at 0K-231.247483
Energy at 298.15K-231.254645
Nuclear repulsion energy173.415843
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/aug-cc-pVDZ
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 3227 3132 7.15      
2 A1 2989 2900 5.73      
3 A1 1682 1633 0.09      
4 A1 1506 1462 1.87      
5 A1 1375 1334 3.11      
6 A1 1105 1072 1.15      
7 A1 993 964 8.06      
8 A1 899 872 21.79      
9 A1 751 728 6.46      
10 A2 3007 2918 0.00      
11 A2 1210 1174 0.00      
12 A2 1051 1019 0.00      
13 A2 931 903 0.00      
14 A2 402 390 0.00      
15 B1 3008 2919 84.22      
16 B1 1165 1130 2.45      
17 B1 1018 988 16.43      
18 B1 667 647 40.76      
19 B1 116 112 8.55      
20 B2 3204 3109 2.99      
21 B2 2984 2895 157.98      
22 B2 1497 1453 0.42      
23 B2 1363 1322 4.25      
24 B2 1314 1275 0.86      
25 B2 1097 1064 99.85      
26 B2 918 891 0.13      
27 B2 804 781 2.83      

Unscaled Zero Point Vibrational Energy (zpe) 20140.7 cm-1
Scaled (by 0.9704) Zero Point Vibrational Energy (zpe) 19544.6 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/aug-cc-pVDZ
ABC
0.26496 0.26253 0.13883

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/aug-cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.192
C2 0.000 1.179 0.369
C3 0.000 0.667 -1.044
C4 0.000 -0.667 -1.044
C5 0.000 -1.179 0.369
H6 0.892 1.788 0.602
H7 -0.892 1.788 0.602
H8 -0.892 -1.788 0.602
H9 0.892 -1.788 0.602
H10 0.000 1.318 -1.918
H11 0.000 -1.318 -1.918

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11
O11.43722.33352.33351.43722.08332.08332.08332.08333.37713.3771
C21.43721.50322.32512.35721.10481.10483.10653.10652.29113.3857
C32.33351.50321.33482.32512.18202.18203.08773.08771.08902.1690
C42.33352.32511.33481.50323.08773.08772.18202.18202.16901.0890
C51.43722.35722.32511.50323.10653.10651.10481.10483.38572.2911
H62.08331.10482.18203.08773.10651.78323.99603.57612.71364.0976
H72.08331.10482.18203.08773.10651.78323.57613.99602.71364.0976
H82.08333.10653.08772.18201.10483.99603.57611.78324.09762.7136
H92.08333.10653.08772.18201.10483.57613.99601.78324.09762.7136
H103.37712.29111.08902.16903.38572.71362.71364.09764.09762.6362
H113.37713.38572.16901.08902.29114.09764.09762.71362.71362.6362

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 105.024 O1 C2 H6 109.385
O1 C2 H7 109.385 O1 C5 C4 105.024
O1 C5 H8 109.385 O1 C5 H9 109.385
C2 O1 C5 110.187 C2 C3 C4 109.882
C2 C3 H10 123.426 C3 C2 H6 112.681
C3 C2 H7 112.681 C3 C4 C5 109.882
C3 C4 H11 126.692 C4 C3 H10 126.692
C4 C5 H8 112.681 C4 C5 H9 112.681
C5 C4 H11 123.426 H6 C2 H7 107.621
H8 C5 H9 107.621
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.605      
2 C 1.244      
3 C 0.308      
4 C 0.308      
5 C 1.244      
6 H -0.377      
7 H -0.377      
8 H -0.377      
9 H -0.377      
10 H -0.494      
11 H -0.494      


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 -1.637 1.637
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.483 0.000 0.000
y 0.000 -26.677 0.000
z 0.000 0.000 -32.690
Traceless
 xyz
x -1.799 0.000 0.000
y 0.000 5.410 0.000
z 0.000 0.000 -3.610
Polar
3z2-r2-7.220
x2-y2-4.806
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.080 0.000 0.000
y 0.000 9.652 0.000
z 0.000 0.000 7.473


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