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

using model chemistry: PBEPBE/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 PBEPBE/cc-pVDZ
 hartrees
Energy at 0K-230.946262
Energy at 298.15K-230.953323
Nuclear repulsion energy173.034991
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 PBEPBE/cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A 3193 3174 4.91      
2 A 3161 3142 2.98      
3 A 3042 3025 30.24      
4 A 3001 2984 26.69      
5 A 2956 2939 48.29      
6 A 2936 2919 46.05      
7 A 1639 1630 56.08      
8 A 1435 1426 0.85      
9 A 1412 1404 0.30      
10 A 1350 1342 4.58      
11 A 1269 1262 3.02      
12 A 1243 1236 3.92      
13 A 1191 1184 9.63      
14 A 1158 1151 15.58      
15 A 1119 1113 61.83      
16 A 1058 1051 20.81      
17 A 1023 1017 4.02      
18 A 988 982 4.50      
19 A 923 918 16.03      
20 A 909 904 35.69      
21 A 865 860 4.56      
22 A 821 816 1.35      
23 A 809 804 6.23      
24 A 679 675 28.12      
25 A 660 657 3.04      
26 A 442 439 19.44      
27 A 113 112 0.87      

Unscaled Zero Point Vibrational Energy (zpe) 19697.1 cm-1
Scaled (by 0.9942) Zero Point Vibrational Energy (zpe) 19582.8 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 PBEPBE/cc-pVDZ
ABC
0.26840 0.25558 0.13869

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 0.799 2.203 0.098
C2 0.437 1.171 0.055
H3 2.296 -0.042 0.019
C4 1.204 0.064 0.010
O5 0.526 -1.126 -0.082
H6 -1.436 1.035 -1.064
H7 -1.676 1.181 0.699
C8 -1.012 0.744 -0.075
H9 -1.458 -1.376 -0.659
H10 -1.185 -1.121 1.105
C11 -0.886 -0.790 0.086

Atom - Atom Distances (Å)
  H1 C2 H3 C4 O5 H6 H7 C8 H9 H10 C11
H11.09502.70002.17893.34492.77642.74482.33254.29883.99973.4348
C21.09502.22051.34722.30232.18562.20921.51633.25392.99682.3652
H32.70002.22051.09792.07754.03254.21213.40214.04183.80223.2696
C42.17891.34721.09791.37203.01023.16522.31953.09952.88192.2586
O53.34492.30232.07751.37203.07933.28432.42152.08212.08221.4616
H62.77642.18564.03253.01023.07931.78541.11432.44463.06772.2252
H72.74482.20924.21213.16523.28431.78541.10982.90412.38892.2107
C82.33251.51633.40212.31952.42151.11431.10982.24372.21311.5471
H94.29883.25394.04183.09952.08212.44462.90412.24371.80301.1070
H103.99972.99683.80222.88192.08223.06772.38892.21311.80301.1124
C113.43482.36523.26962.25861.46162.22522.21071.54711.10701.1124

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 125.982 H1 C2 C8 125.802
C2 C4 H3 130.223 C2 C4 O5 115.702
C2 C8 H6 111.454 C2 C8 H7 113.642
C2 C8 C11 101.080 H3 C4 O5 114.067
C4 C2 C8 108.051 C4 O5 C11 105.663
O5 C11 C8 107.150 O5 C11 H9 107.503
O5 C11 H10 107.207 H6 C8 H7 106.782
H6 C8 C11 112.437 H7 C8 C11 111.558
C8 C11 H9 114.403 C8 C11 H10 111.593
H9 C11 H10 108.657
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H -0.016      
2 C -0.130      
3 H 0.006      
4 C 0.143      
5 O -0.238      
6 H 0.040      
7 H 0.036      
8 C -0.024      
9 H 0.037      
10 H 0.038      
11 C 0.107      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.775 0.592 0.093 0.979
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.168 1.296 0.048
y 1.296 -30.917 -0.106
z 0.048 -0.106 -31.051
Traceless
 xyz
x 3.816 1.296 0.048
y 1.296 -1.807 -0.106
z 0.048 -0.106 -2.009
Polar
3z2-r2-4.017
x2-y23.748
xy1.296
xz0.048
yz-0.106


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.582 -0.134 0.055
y -0.134 7.463 -0.024
z 0.055 -0.024 4.683


<r2> (average value of r2) Å2
<r2> 95.141
(<r2>)1/2 9.754