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

using model chemistry: wB97X-D/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at wB97X-D/cc-pVTZ
 hartrees
Energy at 0K-231.229790
Energy at 298.15K-231.236930
HF Energy-231.229790
Nuclear repulsion energy175.015254
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 wB97X-D/cc-pVTZ
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 3280 3135 4.82      
2 A 3246 3103 2.84      
3 A 3132 2995 34.85      
4 A 3092 2956 28.91      
5 A 3069 2934 38.08      
6 A 3050 2915 41.68      
7 A 1714 1639 66.49      
8 A 1531 1464 0.97      
9 A 1507 1441 0.90      
10 A 1423 1361 5.91      
11 A 1338 1279 2.09      
12 A 1321 1263 10.45      
13 A 1259 1204 6.36      
14 A 1222 1168 6.79      
15 A 1189 1137 79.31      
16 A 1117 1068 43.59      
17 A 1086 1038 2.88      
18 A 1027 981 8.82      
19 A 962 920 31.35      
20 A 946 904 27.58      
21 A 935 893 2.67      
22 A 857 819 1.20      
23 A 848 811 4.92      
24 A 721 690 39.01      
25 A 707 676 5.18      
26 A 462 442 21.16      
27 A 52 50 1.09      

Unscaled Zero Point Vibrational Energy (zpe) 20545.8 cm-1
Scaled (by 0.956) Zero Point Vibrational Energy (zpe) 19641.8 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 wB97X-D/cc-pVTZ
ABC
0.27265 0.26287 0.14120

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/cc-pVTZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 1.120 2.021 0.061
C2 0.610 1.074 0.032
H3 2.238 -0.372 0.020
C4 1.191 -0.113 0.009
O5 0.347 -1.175 -0.055
H6 -1.290 1.263 -0.985
H7 -1.419 1.377 0.764
C8 -0.882 0.883 -0.046
H9 -1.589 -1.095 -0.739
H10 -1.392 -0.967 1.019
C11 -0.994 -0.649 0.055

Atom - Atom Distances (Å)
  H1 C2 H3 C4 O5 H6 H7 C8 H9 H10 C11
H11.07612.64212.13593.29112.73482.71232.30574.20604.01963.4057
C21.07612.17781.32172.26672.16352.17821.50633.18353.02462.3542
H32.64212.17781.07862.05624.01654.12123.36353.96773.81133.2438
C42.13591.32171.07861.35903.00643.09842.30043.04182.90192.2503
O53.29112.26672.05621.35903.08083.20932.39692.05432.05381.4443
H62.73482.16354.01653.00643.08081.75801.09242.38983.00032.1967
H72.71232.17824.12123.09843.20931.75801.09042.89772.35742.1876
C82.30571.50633.36352.30042.39691.09241.09042.21152.19451.5389
H94.20603.18353.96773.04182.05432.38982.89772.21151.77361.0878
H104.01963.02463.81132.90192.05383.00032.35742.19451.77361.0905
C113.40572.35423.24382.25031.44432.19672.18761.53891.08781.0905

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 125.626 H1 C2 C8 125.648
C2 C4 H3 129.988 C2 C4 O5 115.457
C2 C8 H6 111.731 C2 C8 H7 113.053
C2 C8 C11 101.254 H3 C4 O5 114.549
C4 C2 C8 108.685 C4 O5 C11 106.745
O5 C11 C8 106.882 O5 C11 H9 107.619
O5 C11 H10 107.418 H6 C8 H7 107.300
H6 C8 C11 112.084 H7 C8 C11 111.474
C8 C11 H9 113.581 C8 C11 H10 112.020
H9 C11 H10 109.027
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.130      
2 C -0.260      
3 H 0.125      
4 C 0.029      
5 O -0.257      
6 H 0.086      
7 H 0.086      
8 C -0.132      
9 H 0.070      
10 H 0.066      
11 C 0.058      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.715 0.887 0.074 1.141
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.599 0.792 0.045
y 0.792 -31.332 -0.098
z 0.045 -0.098 -30.926
Traceless
 xyz
x 4.530 0.792 0.045
y 0.792 -2.570 -0.098
z 0.045 -0.098 -1.961
Polar
3z2-r2-3.921
x2-y24.734
xy0.792
xz0.045
yz-0.098


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.579 -0.222 0.024
y -0.222 7.715 -0.015
z 0.024 -0.015 5.210


<r2> (average value of r2) Å2
<r2> 93.513
(<r2>)1/2 9.670