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

using model chemistry: LSDA/aug-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 LSDA/aug-cc-pVDZ
 hartrees
Energy at 0K-229.998054
Energy at 298.15K-230.005227
Nuclear repulsion energy174.883295
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 LSDA/aug-cc-pVDZ
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 3202 3165 1.35      
2 A 3170 3134 0.81      
3 A 3066 3032 15.82      
4 A 3027 2993 13.57      
5 A 2958 2925 47.10      
6 A 2944 2910 32.18      
7 A 1649 1631 62.73      
8 A 1422 1406 5.11      
9 A 1401 1385 4.07      
10 A 1342 1327 7.95      
11 A 1273 1258 2.75      
12 A 1232 1218 4.75      
13 A 1190 1177 19.20      
14 A 1165 1152 46.82      
15 A 1126 1113 42.07      
16 A 1068 1056 2.99      
17 A 1017 1005 3.04      
18 A 1004 992 10.60      
19 A 951 940 8.25      
20 A 928 917 45.01      
21 A 863 853 5.72      
22 A 832 822 1.42      
23 A 820 811 7.61      
24 A 671 663 42.52      
25 A 653 646 4.75      
26 A 455 450 20.85      
27 A 160 158 0.93      

Unscaled Zero Point Vibrational Energy (zpe) 19792.8 cm-1
Scaled (by 0.9887) Zero Point Vibrational Energy (zpe) 19569.2 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 LSDA/aug-cc-pVDZ
ABC
0.27354 0.26190 0.14255

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 0.876 2.154 0.132
C2 0.473 1.138 0.070
H3 2.283 -0.132 0.026
C4 1.195 0.012 0.013
O5 0.468 -1.126 -0.108
H6 -1.341 1.040 -1.111
H7 -1.646 1.250 0.634
C8 -0.971 0.767 -0.098
H9 -1.533 -1.337 -0.572
H10 -1.151 -1.011 1.163
C11 -0.902 -0.743 0.113

Atom - Atom Distances (Å)
  H1 C2 H3 C4 O5 H6 H7 C8 H9 H10 C11
H11.09432.68632.16873.31432.77432.72602.32144.29913.89703.3988
C21.09432.21171.33932.27182.16602.19591.50053.24982.90702.3305
H32.68632.21171.09682.07363.97414.20913.37794.04533.72193.2442
C42.16871.33931.09681.35662.95823.16112.29683.09902.80592.2317
O53.31432.27182.07361.35662.99523.26592.37792.06432.06081.4401
H62.77432.16603.97412.95822.99521.78391.11252.44513.06812.2064
H72.72602.19594.20913.16113.26591.78391.10682.85642.37412.1895
C82.32141.50053.37792.29682.37791.11251.10682.22822.18651.5253
H94.29913.24984.04533.09902.06432.44512.85642.22821.80591.1044
H103.89702.90703.72192.80592.06083.06812.37412.18651.80591.1115
C113.39882.33053.24422.23171.44012.20642.18951.52531.10441.1115

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 125.738 H1 C2 C8 126.209
C2 C4 H3 130.161 C2 C4 O5 114.851
C2 C8 H6 111.110 C2 C8 H7 113.898
C2 C8 C11 100.746 H3 C4 O5 114.972
C4 C2 C8 107.821 C4 O5 C11 105.836
O5 C11 C8 106.586 O5 C11 H9 107.714
O5 C11 H10 107.025 H6 C8 H7 106.989
H6 C8 C11 112.595 H7 C8 C11 111.592
C8 C11 H9 114.908 C8 C11 H10 111.069
H9 C11 H10 109.167
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H -0.441      
2 C 0.686      
3 H -0.415      
4 C 0.262      
5 O -0.388      
6 H -0.287      
7 H -0.252      
8 C 0.590      
9 H -0.348      
10 H -0.336      
11 C 0.928      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.855 0.776 0.096 1.159
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.498 1.194 0.049
y 1.194 -31.659 -0.244
z 0.049 -0.244 -31.779
Traceless
 xyz
x 4.221 1.194 0.049
y 1.194 -2.021 -0.244
z 0.049 -0.244 -2.200
Polar
3z2-r2-4.400
x2-y24.162
xy1.194
xz0.049
yz-0.244


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.646 -0.128 0.061
y -0.128 8.594 -0.023
z 0.061 -0.023 6.438


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000