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All results from a given calculation for C4H4O (Furan)

using model chemistry: B97D3/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B97D3/6-31+G**
 hartrees
Energy at 0K-229.888638
Energy at 298.15K 
HF Energy-229.888638
Nuclear repulsion energy159.732089
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 B97D3/6-31+G**
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 3253 3197 0.00 216.77 0.15 0.26
2 A1 3221 3165 2.31 49.47 0.24 0.39
3 A1 1478 1452 19.54 60.70 0.12 0.21
4 A1 1388 1365 1.79 16.13 0.37 0.54
5 A1 1142 1122 0.07 32.18 0.14 0.25
6 A1 1075 1057 7.57 7.83 0.09 0.16
7 A1 994 977 44.55 2.15 0.20 0.34
8 A1 866 851 15.81 0.60 0.75 0.86
9 A2 839 825 0.00 0.33 0.75 0.86
10 A2 682 670 0.00 2.30 0.75 0.86
11 A2 592 582 0.00 0.02 0.75 0.86
12 B1 799 785 1.17 2.15 0.75 0.86
13 B1 723 711 124.79 0.32 0.75 0.86
14 B1 603 593 20.70 1.21 0.75 0.86
15 B2 3247 3191 1.91 20.85 0.75 0.86
16 B2 3210 3154 3.98 106.25 0.75 0.86
17 B2 1556 1529 0.01 0.10 0.75 0.86
18 B2 1256 1234 0.08 0.91 0.75 0.86
19 B2 1167 1147 19.74 0.30 0.75 0.86
20 B2 1033 1015 1.59 5.42 0.75 0.86
21 B2 873 858 0.65 3.57 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 14998.0 cm-1
Scaled (by 0.9828) Zero Point Vibrational Energy (zpe) 14740.1 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 B97D3/6-31+G**
ABC
0.31177 0.30474 0.15411

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-31+G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.168
C2 0.000 1.104 0.349
C3 0.000 -1.104 0.349
C4 0.000 0.720 -0.966
C5 0.000 -0.720 -0.966
H6 0.000 2.061 0.855
H7 0.000 -2.061 0.855
H8 0.000 1.377 -1.828
H9 0.000 -1.377 -1.828

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 H6 H7 H8 H9
O11.37491.37492.25252.25252.08462.08463.29813.2981
C21.37492.20821.37022.24861.08213.20512.19473.3011
C31.37492.20822.24861.37023.20511.08213.30112.1947
C42.25251.37022.24861.43942.26153.32371.08432.2670
C52.25252.24861.37021.43943.32372.26152.26701.0843
H62.08461.08213.20512.26153.32374.12182.76914.3610
H72.08463.20511.08213.32372.26154.12184.36102.7691
H83.29812.19473.30111.08432.26702.76914.36102.7537
H93.29813.30112.19472.26701.08434.36102.76912.7537

picture of Furan state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 C4 110.281 O1 C2 H6 115.571
O1 C3 C5 110.281 O1 C3 H7 115.571
C2 O1 C3 106.851 C2 C4 C5 106.293
C2 C4 H8 126.402 C3 C5 C4 106.293
C3 C5 H9 126.402 C4 C2 H6 134.148
C4 C5 H9 127.305 C5 C3 H7 134.148
C5 C4 H8 127.305
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.217      
2 C -0.118      
3 C -0.118      
4 C -0.070      
5 C -0.070      
6 H 0.152      
7 H 0.152      
8 H 0.144      
9 H 0.144      


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 -0.701 0.701
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.313 0.000 0.000
y 0.000 -24.270 0.000
z 0.000 0.000 -28.347
Traceless
 xyz
x -6.004 0.000 0.000
y 0.000 6.059 0.000
z 0.000 0.000 -0.055
Polar
3z2-r2-0.111
x2-y2-8.042
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.823 0.000 0.000
y 0.000 8.389 0.000
z 0.000 0.000 7.852


<r2> (average value of r2) Å2
<r2> 82.544
(<r2>)1/2 9.085