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

using model chemistry: B3LYP/cc-pVDZ

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/cc-pVDZ
 hartrees
Energy at 0K-231.233992
Energy at 298.15K-231.241159
Nuclear repulsion energy173.673276
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/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 A 3251 3153 6.62      
2 A 3224 3127 2.15      
3 A 3106 3013 35.49      
4 A 3060 2968 35.54      
5 A 3028 2937 44.25      
6 A 3004 2914 46.83      
7 A 1688 1637 59.49      
8 A 1490 1445 0.47      
9 A 1467 1423 0.20      
10 A 1396 1354 5.09      
11 A 1312 1272 2.88      
12 A 1291 1252 5.00      
13 A 1232 1195 7.57      
14 A 1197 1161 11.35      
15 A 1153 1119 68.78      
16 A 1087 1054 35.65      
17 A 1063 1031 6.96      
18 A 1006 976 5.96      
19 A 937 909 13.76      
20 A 932 904 40.77      
21 A 914 887 3.46      
22 A 843 818 1.45      
23 A 831 806 6.79      
24 A 715 693 29.55      
25 A 686 665 2.25      
26 A 455 442 19.50      
27 A 108 105 1.17      

Unscaled Zero Point Vibrational Energy (zpe) 20236.9 cm-1
Scaled (by 0.97) Zero Point Vibrational Energy (zpe) 19629.8 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/cc-pVDZ
ABC
0.26912 0.25841 0.13946

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 1.013 2.101 0.091
C2 0.552 1.116 0.049
H3 2.272 -0.260 0.021
C4 1.202 -0.052 0.009
O5 0.411 -1.164 -0.075
H6 -1.335 1.174 -1.042
H7 -1.536 1.329 0.714
C8 -0.933 0.838 -0.067
H9 -1.571 -1.216 -0.678
H10 -1.302 -1.012 1.081
C11 -0.959 -0.703 0.078

Atom - Atom Distances (Å)
  H1 C2 H3 C4 O5 H6 H7 C8 H9 H10 C11
H11.08822.67692.16293.32452.76622.73512.32494.27404.00313.4279
C21.08822.20311.33742.28822.17982.20191.51523.23623.00472.3650
H32.67692.20311.09032.07144.02424.18443.38934.02163.80263.2621
C42.16291.33741.09031.36743.00683.14672.31443.08492.88732.2581
O53.32452.28822.07141.36743.07363.26082.41182.07242.07211.4541
H62.76622.17984.02423.00683.07361.77441.10622.42843.04672.2171
H72.73512.20194.18443.14673.26081.77441.10242.90092.38102.2061
C82.32491.51523.38932.31442.41181.10621.10242.23572.20811.5480
H94.27403.23624.02163.08492.07242.42842.90092.23571.79091.0993
H104.00313.00473.80262.88732.07213.04672.38102.20811.79091.1039
C113.42792.36503.26212.25811.45412.21712.20611.54801.09931.1039

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 125.866 H1 C2 C8 125.729
C2 C4 H3 130.043 C2 C4 O5 115.545
C2 C8 H6 111.563 C2 C8 H7 113.593
C2 C8 C11 101.073 H3 C4 O5 114.407
C4 C2 C8 108.292 C4 O5 C11 106.280
O5 C11 C8 106.863 O5 C11 H9 107.701
O5 C11 H10 107.412 H6 C8 H7 106.906
H6 C8 C11 112.226 H7 C8 C11 111.573
C8 C11 H9 114.169 C8 C11 H10 111.647
H9 C11 H10 108.751
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H -0.025      
2 C -0.121      
3 H -0.002      
4 C 0.170      
5 O -0.279      
6 H 0.026      
7 H 0.022      
8 C 0.008      
9 H 0.024      
10 H 0.024      
11 C 0.153      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.699 0.777 0.103 1.050
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 7.325 -0.190 0.049
y -0.190 7.302 -0.022
z 0.049 -0.022 4.567


<r2> (average value of r2) Å2
<r2> 94.654
(<r2>)1/2 9.729