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

using model chemistry: wB97X-D/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 wB97X-D/6-311G**
 hartrees
Energy at 0K-231.198832
Energy at 298.15K-231.205976
HF Energy-231.198832
Nuclear repulsion energy174.662783
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/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 3243 3102 7.65      
2 A1 3010 2879 10.78      
3 A1 1720 1645 0.03      
4 A1 1529 1463 1.76      
5 A1 1409 1348 3.63      
6 A1 1116 1067 1.35      
7 A1 999 956 10.50      
8 A1 942 901 21.24      
9 A1 764 731 6.61      
10 A2 3031 2899 0.00      
11 A2 1240 1186 0.00      
12 A2 1065 1019 0.00      
13 A2 974 932 0.00      
14 A2 389 372 0.00      
15 B1 3033 2901 106.09      
16 B1 1196 1144 2.02      
17 B1 1031 986 22.20      
18 B1 693 663 37.51      
19 B1 80 76 8.44      
20 B2 3217 3078 3.07      
21 B2 3003 2872 153.51      
22 B2 1516 1450 0.48      
23 B2 1381 1321 2.26      
24 B2 1329 1271 0.00      
25 B2 1158 1108 109.83      
26 B2 923 883 0.64      
27 B2 820 784 1.67      

Unscaled Zero Point Vibrational Energy (zpe) 20404.3 cm-1
Scaled (by 0.9565) Zero Point Vibrational Energy (zpe) 19516.7 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/6-311G**
ABC
0.26996 0.26493 0.14079

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-311G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.185
C2 0.000 1.166 0.370
C3 0.000 0.661 -1.041
C4 0.000 -0.661 -1.041
C5 0.000 -1.166 0.370
H6 0.887 1.773 0.595
H7 -0.887 1.773 0.595
H8 -0.887 -1.773 0.595
H9 0.887 -1.773 0.595
H10 0.000 1.308 -1.908
H11 0.000 -1.308 -1.908

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11
O11.42292.32242.32241.42292.06852.06852.06852.06853.35863.3586
C21.42291.49882.30892.33261.09811.09813.07843.07842.28253.3636
C32.32241.49881.32242.30892.16792.16793.06413.06411.08192.1520
C42.32242.30891.32241.49883.06413.06412.16792.16792.15201.0819
C51.42292.33262.30891.49883.07843.07841.09811.09813.36362.2825
H62.06851.09812.16793.06413.07841.77463.96503.54572.69594.0678
H72.06851.09812.16793.06413.07841.77463.54573.96502.69594.0678
H82.06853.07843.06412.16791.09813.96503.54571.77464.06782.6959
H92.06853.07843.06412.16791.09813.54573.96501.77464.06782.6959
H103.35862.28251.08192.15203.36362.69592.69594.06784.06782.6169
H113.35863.36362.15201.08192.28254.06784.06782.69592.69592.6169

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 105.257 O1 C2 H6 109.597
O1 C2 H7 109.597 O1 C5 C4 105.257
O1 C5 H8 109.597 O1 C5 H9 109.597
C2 O1 C5 110.097 C2 C3 C4 109.694
C2 C3 H10 123.560 C3 C2 H6 112.273
C3 C2 H7 112.273 C3 C4 C5 109.694
C3 C4 H11 126.746 C4 C3 H10 126.746
C4 C5 H8 112.273 C4 C5 H9 112.273
C5 C4 H11 123.560 H6 C2 H7 107.806
H8 C5 H9 107.806
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.388      
2 C 0.032      
3 C -0.185      
4 C -0.185      
5 C 0.032      
6 H 0.115      
7 H 0.115      
8 H 0.115      
9 H 0.115      
10 H 0.118      
11 H 0.118      


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 -1.703 1.703
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.913 0.000 0.000
y 0.000 -25.757 0.000
z 0.000 0.000 -31.927
Traceless
 xyz
x -2.072 0.000 0.000
y 0.000 5.663 0.000
z 0.000 0.000 -3.591
Polar
3z2-r2-7.183
x2-y2-5.157
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.763 0.000 0.000
y 0.000 8.711 0.000
z 0.000 0.000 6.166


<r2> (average value of r2) Å2
<r2> 93.740
(<r2>)1/2 9.682