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

using model chemistry: B97D3/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B97D3/6-31G*
 hartrees
Energy at 0K-231.066391
Energy at 298.15K-231.073416
HF Energy-231.066391
Nuclear repulsion energy 
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 B97D3/6-31G*
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 3183 3121 17.07      
2 A1 2929 2872 13.23      
3 A1 1663 1631 0.02      
4 A1 1525 1496 0.71      
5 A1 1378 1351 7.84      
6 A1 1104 1082 1.27      
7 A1 976 957 5.71      
8 A1 888 871 17.54      
9 A1 741 726 6.76      
10 A2 2936 2879 0.00      
11 A2 1205 1182 0.00      
12 A2 1043 1023 0.00      
13 A2 911 893 0.00      
14 A2 376 369 0.00      
15 B1 2940 2882 149.27      
16 B1 1149 1127 4.45      
17 B1 1012 992 13.28      
18 B1 655 642 28.07      
19 B1 99 97 6.63      
20 B2 3159 3098 6.82      
21 B2 2919 2862 195.12      
22 B2 1511 1481 6.80      
23 B2 1352 1326 0.83      
24 B2 1308 1282 0.01      
25 B2 1080 1059 98.15      
26 B2 904 886 0.07      
27 B2 794 778 4.86      

Unscaled Zero Point Vibrational Energy (zpe) 19870.0 cm-1
Scaled (by 0.9804) Zero Point Vibrational Energy (zpe) 19480.5 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 B97D3/6-31G*
ABC
0.26536 0.26080 0.13844

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-31G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.197
C2 0.000 1.175 0.371
C3 0.000 0.669 -1.048
C4 0.000 -0.669 -1.048
C5 0.000 -1.175 0.371
H6 0.891 1.791 0.599
H7 -0.891 1.791 0.599
H8 -0.891 -1.791 0.599
H9 0.891 -1.791 0.599
H10 0.000 1.323 -1.919
H11 0.000 -1.323 -1.919

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11
O11.43612.34292.34291.43612.08832.08832.08832.08833.38553.3855
C21.43611.50672.32672.34951.10731.10733.10553.10552.29503.3888
C32.34291.50671.33802.32672.18342.18343.09213.09211.08922.1741
C42.34292.32671.33801.50673.09213.09212.18342.18342.17411.0892
C51.43612.34952.32671.50673.10553.10551.10731.10733.38882.2950
H62.08831.10732.18343.09213.10551.78194.00163.58292.71194.1031
H72.08831.10732.18343.09213.10551.78193.58294.00162.71194.1031
H82.08833.10553.09212.18341.10734.00163.58291.78194.10312.7119
H92.08833.10553.09212.18341.10733.58294.00161.78194.10312.7119
H103.38552.29501.08922.17413.38882.71192.71194.10314.10312.6461
H113.38553.38882.17411.08922.29504.10314.10312.71192.71192.6461

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 105.502 O1 C2 H6 109.705
O1 C2 H7 109.705 O1 C5 C4 105.502
O1 C5 H8 109.705 O1 C5 H9 109.705
C2 O1 C5 109.770 C2 C3 C4 109.613
C2 C3 H10 123.482 C3 C2 H6 112.388
C3 C2 H7 112.388 C3 C4 C5 109.613
C3 C4 H11 126.905 C4 C3 H10 126.905
C4 C5 H8 112.388 C4 C5 H9 112.388
C5 C4 H11 123.482 H6 C2 H7 107.146
H8 C5 H9 107.146
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.480      
2 C -0.048      
3 C -0.142      
4 C -0.142      
5 C -0.048      
6 H 0.144      
7 H 0.144      
8 H 0.144      
9 H 0.144      
10 H 0.143      
11 H 0.143      


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 -1.660 1.660
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.655 0.000 0.000
y 0.000 -25.815 0.000
z 0.000 0.000 -31.440
Traceless
 xyz
x -2.028 0.000 0.000
y 0.000 5.233 0.000
z 0.000 0.000 -3.205
Polar
3z2-r2-6.410
x2-y2-4.840
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.446 0.000 0.000
y 0.000 8.684 0.000
z 0.000 0.000 6.067


<r2> (average value of r2) Å2
<r2> 94.850
(<r2>)1/2 9.739