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

using model chemistry: wB97X-D/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at wB97X-D/aug-cc-pVTZ
 hartrees
Energy at 0K-231.227087
Energy at 298.15K-231.234257
HF Energy-231.227087
Nuclear repulsion energy174.946103
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 wB97X-D/aug-cc-pVTZ
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 3245 3105 6.28      
2 A1 3014 2883 5.09      
3 A1 1713 1639 0.07      
4 A1 1522 1455 2.65      
5 A1 1410 1349 2.77      
6 A1 1112 1063 0.77      
7 A1 1001 958 9.98      
8 A1 938 897 22.28      
9 A1 760 727 6.27      
10 A2 3035 2903 0.00      
11 A2 1244 1190 0.00      
12 A2 1067 1021 0.00      
13 A2 979 937 0.00      
14 A2 401 383 0.00      
15 B1 3036 2904 75.09      
16 B1 1204 1152 1.68      
17 B1 1029 985 20.23      
18 B1 696 666 39.36      
19 B1 83 79 9.13      
20 B2 3221 3081 2.64      
21 B2 3009 2878 149.88      
22 B2 1512 1446 0.05      
23 B2 1385 1325 6.19      
24 B2 1335 1277 0.27      
25 B2 1153 1103 108.13      
26 B2 923 883 0.99      
27 B2 822 786 1.52      

Unscaled Zero Point Vibrational Energy (zpe) 20423.2 cm-1
Scaled (by 0.9566) Zero Point Vibrational Energy (zpe) 19536.9 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 wB97X-D/aug-cc-pVTZ
ABC
0.27038 0.26626 0.14125

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/aug-cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.182
C2 0.000 1.166 0.369
C3 0.000 0.660 -1.038
C4 0.000 -0.660 -1.038
C5 0.000 -1.166 0.369
H6 0.885 1.770 0.597
H7 -0.885 1.770 0.597
H8 -0.885 -1.770 0.597
H9 0.885 -1.770 0.597
H10 0.000 1.305 -1.903
H11 0.000 -1.305 -1.903

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11
O11.42182.31622.31621.42182.06352.06352.06352.06353.34993.3499
C21.42181.49532.30522.33241.09541.09543.07483.07482.27613.3570
C32.31621.49531.31972.30522.16512.16513.05913.05911.07922.1470
C42.31622.30521.31971.49533.05913.05912.16512.16512.14701.0792
C51.42182.33242.30521.49533.07483.07481.09541.09543.35702.2761
H62.06351.09542.16513.05913.07481.77073.95743.53922.69224.0604
H72.06351.09542.16513.05913.07481.77073.53923.95742.69224.0604
H82.06353.07483.05912.16511.09543.95743.53921.77074.06042.6922
H92.06353.07483.05912.16511.09543.53923.95741.77074.06042.6922
H103.34992.27611.07922.14703.35702.69222.69224.06044.06042.6104
H113.34993.35702.14701.07922.27614.06044.06042.69222.69222.6104

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 105.096 O1 C2 H6 109.441
O1 C2 H7 109.441 O1 C5 C4 105.096
O1 C5 H8 109.441 O1 C5 H9 109.441
C2 O1 C5 110.217 C2 C3 C4 109.795
C2 C3 H10 123.478 C3 C2 H6 112.474
C3 C2 H7 112.474 C3 C4 C5 109.795
C3 C4 H11 126.727 C4 C3 H10 126.727
C4 C5 H8 112.474 C4 C5 H9 112.474
C5 C4 H11 123.478 H6 C2 H7 107.855
H8 C5 H9 107.855
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.499      
2 C -0.187      
3 C -0.566      
4 C -0.566      
5 C -0.187      
6 H 0.280      
7 H 0.280      
8 H 0.280      
9 H 0.280      
10 H 0.443      
11 H 0.443      


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 -1.597 1.597
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.999 0.000 0.000
y 0.000 -26.113 0.000
z 0.000 0.000 -32.059
Traceless
 xyz
x -1.913 0.000 0.000
y 0.000 5.416 0.000
z 0.000 0.000 -3.503
Polar
3z2-r2-7.006
x2-y2-4.886
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.953 0.000 0.000
y 0.000 9.235 0.000
z 0.000 0.000 7.225


<r2> (average value of r2) Å2
<r2> 93.611
(<r2>)1/2 9.675