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All results from a given calculation for C4H6O (Furan, 2,3-dihydro-)

using model chemistry: B3LYP/SDD

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B3LYP/SDD
 hartrees
Energy at 0K-231.190073
Energy at 298.15K-231.197149
Nuclear repulsion energy171.358128
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/SDD
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A 3301 3173 10.67      
2 A 3265 3139 0.16      
3 A 3159 3036 50.31      
4 A 3095 2975 61.67      
5 A 3092 2972 21.34      
6 A 3050 2932 45.83      
7 A 1662 1598 48.82      
8 A 1536 1476 3.40      
9 A 1520 1461 1.71      
10 A 1393 1339 1.53      
11 A 1317 1266 9.20      
12 A 1307 1257 16.64      
13 A 1247 1198 0.22      
14 A 1192 1146 2.58      
15 A 1163 1118 43.24      
16 A 1082 1040 1.69      
17 A 1056 1015 69.70      
18 A 1018 978 1.90      
19 A 929 893 29.76      
20 A 928 892 2.37      
21 A 884 850 38.50      
22 A 839 807 0.22      
23 A 833 801 1.33      
24 A 740 711 73.29      
25 A 698 671 2.88      
26 A 454 437 28.23      
27 A 68 65 2.88      

Unscaled Zero Point Vibrational Energy (zpe) 20411.6 cm-1
Scaled (by 0.9613) Zero Point Vibrational Energy (zpe) 19621.7 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 B3LYP/SDD
ABC
0.26038 0.25270 0.13478

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/SDD

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 1.103 2.063 0.001
C2 0.614 1.098 0.001
H3 2.281 -0.359 0.000
C4 1.230 -0.101 0.000
O5 0.366 -1.207 -0.001
H6 -1.372 1.341 -0.886
H7 -1.375 1.342 0.883
C8 -0.901 0.895 -0.001
H9 -1.525 -1.054 -0.892
H10 -1.522 -1.052 0.897
C11 -1.029 -0.662 0.001

Atom - Atom Distances (Å)
  H1 C2 H3 C4 O5 H6 H7 C8 H9 H10 C11
H11.08172.69252.16733.35152.72702.72652.31934.17334.17043.4594
C21.08172.21341.34782.31792.18902.18921.52843.16263.16012.4074
H32.69252.21341.08192.09464.12554.12723.41953.97053.96803.3234
C42.16731.34781.08191.40363.10433.10592.35203.04883.04662.3274
O53.35152.31792.09461.40363.20853.21062.45352.09592.09591.4970
H62.72702.18904.12553.10433.20851.76931.09812.39932.98752.2172
H72.72652.18924.12723.10593.21061.76931.09802.98592.39882.2171
C82.31931.52843.41952.35202.45351.09811.09802.23182.23151.5619
H94.17333.16263.97053.04882.09592.39932.98592.23181.78881.0943
H104.17043.16013.96803.04662.09592.98752.39882.23151.78881.0943
C113.45942.40743.32342.32741.49702.21722.21711.56191.09431.0943

picture of Furan, 2,3-dihydro- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H1 C2 C4 125.929 H1 C2 C8 124.509
C2 C4 H3 130.977 C2 C4 O5 114.787
C2 C8 H6 111.863 C2 C8 H7 111.884
C2 C8 C11 102.334 H3 C4 O5 114.236
C4 C2 C8 109.562 C4 O5 C11 106.675
O5 C11 C8 106.642 O5 C11 H9 106.937
O5 C11 H10 106.934 H6 C8 H7 107.344
H6 C8 C11 111.743 H7 C8 C11 111.734
C8 C11 H9 113.147 C8 C11 H10 113.122
H9 C11 H10 109.632
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/SDD Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.236      
2 C -0.278      
3 H 0.246      
4 C -0.071      
5 O -0.303      
6 H 0.208      
7 H 0.208      
8 C -0.413      
9 H 0.209      
10 H 0.209      
11 C -0.250      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.013 1.524 0.002 1.831
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.784 -0.291 -0.002
y -0.291 7.084 0.000
z -0.002 0.000 4.112


<r2> (average value of r2) Å2
<r2> 96.721
(<r2>)1/2 9.835