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All results from a given calculation for C4H4O (Furan)

using model chemistry: B97D3/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B97D3/6-311G*
 hartrees
Energy at 0K-229.926537
Energy at 298.15K 
HF Energy-229.926537
Nuclear repulsion energy160.115587
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 B97D3/6-311G*
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 3229 3229 0.00 206.65 0.15 0.26
2 A1 3196 3196 6.86 42.25 0.25 0.40
3 A1 1478 1478 16.00 34.23 0.19 0.33
4 A1 1387 1387 3.08 13.41 0.42 0.59
5 A1 1144 1144 0.21 26.26 0.22 0.35
6 A1 1075 1075 7.55 6.84 0.22 0.36
7 A1 993 993 41.70 1.46 0.17 0.28
8 A1 872 872 17.35 0.55 0.70 0.83
9 A2 824 824 0.00 0.93 0.75 0.86
10 A2 675 675 0.00 0.22 0.75 0.86
11 A2 599 599 0.00 0.01 0.75 0.86
12 B1 784 784 2.46 0.01 0.75 0.86
13 B1 718 718 107.47 0.87 0.75 0.86
14 B1 609 609 20.48 1.89 0.75 0.86
15 B2 3223 3223 8.10 20.22 0.75 0.86
16 B2 3184 3184 5.05 107.54 0.75 0.86
17 B2 1556 1556 0.42 0.34 0.75 0.86
18 B2 1258 1258 0.01 0.78 0.75 0.86
19 B2 1160 1160 19.83 1.02 0.75 0.86
20 B2 1030 1030 1.37 4.37 0.75 0.86
21 B2 883 883 0.34 3.19 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 14938.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 14938.5 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 B97D3/6-311G*
ABC
0.31353 0.30602 0.15486

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-311G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.166
C2 0.000 1.100 0.348
C3 0.000 -1.100 0.348
C4 0.000 0.719 -0.964
C5 0.000 -0.719 -0.964
H6 0.000 2.055 0.856
H7 0.000 -2.055 0.856
H8 0.000 1.376 -1.826
H9 0.000 -1.376 -1.826

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 H6 H7 H8 H9
O11.37111.37112.24782.24782.07842.07843.29293.2929
C21.37112.20021.36602.24231.08163.19582.19103.2945
C31.37112.20022.24231.36603.19581.08163.29452.1910
C42.24781.36602.24231.43722.25763.31721.08382.2646
C52.24782.24231.36601.43723.31722.25762.26461.0838
H62.07841.08163.19582.25763.31724.11022.76624.3542
H72.07843.19581.08163.31722.25764.11024.35422.7662
H83.29292.19103.29451.08382.26462.76624.35422.7511
H93.29293.29452.19102.26461.08384.35422.76622.7511

picture of Furan state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 C4 110.423 O1 C2 H6 115.354
O1 C3 C5 110.423 O1 C3 H7 115.354
C2 O1 C3 106.717 C2 C4 C5 106.218
C2 C4 H8 126.471 C3 C5 C4 106.218
C3 C5 H9 126.471 C4 C2 H6 134.223
C4 C5 H9 127.310 C5 C3 H7 134.223
C5 C4 H8 127.310
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.215      
2 C -0.032      
3 C -0.032      
4 C -0.245      
5 C -0.245      
6 H 0.200      
7 H 0.200      
8 H 0.184      
9 H 0.184      


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 -0.592 0.592
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.803 0.000 0.000
y 0.000 -23.862 0.000
z 0.000 0.000 -27.736
Traceless
 xyz
x -6.004 0.000 0.000
y 0.000 5.908 0.000
z 0.000 0.000 0.096
Polar
3z2-r20.192
x2-y2-7.941
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.281 0.000 0.000
y 0.000 7.736 0.000
z 0.000 0.000 7.120


<r2> (average value of r2) Å2
<r2> 81.923
(<r2>)1/2 9.051