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

using model chemistry: B97D3/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B97D3/6-311+G(3df,2p)
 hartrees
Energy at 0K-231.157821
Energy at 298.15K-231.164877
HF Energy-231.157821
Nuclear repulsion energy173.713147
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 B97D3/6-311+G(3df,2p)
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 3195 3153 7.31      
2 A 3166 3125 3.13      
3 A 3053 3013 34.27      
4 A 3003 2964 43.20      
5 A 2979 2940 38.62      
6 A 2949 2911 48.14      
7 A 1627 1606 63.95      
8 A 1486 1467 0.84      
9 A 1466 1447 0.48      
10 A 1371 1353 3.63      
11 A 1294 1277 0.48      
12 A 1273 1256 9.03      
13 A 1219 1203 8.25      
14 A 1182 1166 6.19      
15 A 1135 1120 44.56      
16 A 1058 1044 33.77      
17 A 1045 1031 33.12      
18 A 978 965 3.17      
19 A 913 901 18.30      
20 A 897 885 36.35      
21 A 880 869 5.49      
22 A 824 813 4.33      
23 A 818 807 7.31      
24 A 688 679 39.05      
25 A 673 665 8.16      
26 A 446 440 18.59      
27 A 89 88 0.79      

Unscaled Zero Point Vibrational Energy (zpe) 19850.6 cm-1
Scaled (by 0.987) Zero Point Vibrational Energy (zpe) 19592.6 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 B97D3/6-311+G(3df,2p)
ABC
0.26910 0.25840 0.13930

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-311+G(3df,2p)

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 0.957 2.117 0.084
C2 0.525 1.127 0.045
H3 2.273 -0.201 0.019
C4 1.205 -0.022 0.009
O5 0.442 -1.156 -0.070
H6 -1.366 1.147 -1.026
H7 -1.553 1.288 0.724
C8 -0.953 0.817 -0.063
H9 -1.531 -1.242 -0.693
H10 -1.286 -1.049 1.064
C11 -0.949 -0.724 0.073

Atom - Atom Distances (Å)
  H1 C2 H3 C4 O5 H6 H7 C8 H9 H10 C11
H11.08102.66682.15503.31672.75132.71942.31484.25124.00143.4212
C21.08102.19571.33562.28712.17362.19171.51383.22183.00822.3663
H32.66682.19571.08342.06694.01984.16563.38414.00763.80463.2649
C42.15501.33561.08341.36853.00843.13542.31643.07622.89282.2661
O53.31672.28712.06691.36853.08053.25292.41652.07072.06961.4636
H62.75132.17364.01983.00843.08051.76541.09892.41773.03292.2101
H72.71942.19174.16563.13543.25291.76541.09552.89902.37612.1991
C82.31481.51383.38412.31642.41651.09891.09552.22912.20511.5473
H94.25123.22184.00763.07622.07072.41772.89902.22911.78441.0920
H104.00143.00823.80462.89282.06963.03292.37612.20511.78441.0961
C113.42122.36633.26492.26611.46362.21012.19911.54731.09201.0961

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 125.725 H1 C2 C8 125.439
C2 C4 H3 130.256 C2 C4 O5 115.338
C2 C8 H6 111.762 C2 C8 H7 113.096
C2 C8 C11 101.410 H3 C4 O5 114.399
C4 C2 C8 108.777 C4 O5 C11 106.646
O5 C11 C8 106.788 O5 C11 H9 107.585
O5 C11 H10 107.223 H6 C8 H7 107.027
H6 C8 C11 112.102 H7 C8 C11 111.529
C8 C11 H9 113.779 C8 C11 H10 112.121
H9 C11 H10 109.021
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.119      
2 C -0.235      
3 H 0.128      
4 C 0.273      
5 O -0.667      
6 H 0.117      
7 H 0.117      
8 C -0.192      
9 H 0.117      
10 H 0.114      
11 C 0.111      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.888 0.827 0.072 1.216
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.278 1.114 0.036
y 1.114 -31.650 -0.166
z 0.036 -0.166 -31.461
Traceless
 xyz
x 4.277 1.114 0.036
y 1.114 -2.281 -0.166
z 0.036 -0.166 -1.997
Polar
3z2-r2-3.994
x2-y24.372
xy1.114
xz0.036
yz-0.166


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.409 -0.166 0.033
y -0.166 8.458 -0.019
z 0.033 -0.019 6.196


<r2> (average value of r2) Å2
<r2> 94.859
(<r2>)1/2 9.740