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

using model chemistry: BLYP/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 BLYP/cc-pVDZ
 hartrees
Energy at 0K-231.134739
Energy at 298.15K-231.141734
Nuclear repulsion energy172.044640
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 BLYP/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 3170 3175 7.94      
2 A 3141 3146 3.72      
3 A 3018 3023 38.15      
4 A 2970 2974 43.64      
5 A 2944 2949 41.74      
6 A 2917 2922 50.89      
7 A 1621 1623 53.48      
8 A 1445 1448 0.19      
9 A 1424 1427 0.14      
10 A 1347 1349 3.41      
11 A 1264 1266 1.77      
12 A 1250 1252 5.64      
13 A 1192 1193 6.61      
14 A 1155 1157 5.40      
15 A 1111 1112 48.41      
16 A 1041 1043 32.27      
17 A 1027 1029 19.49      
18 A 966 968 2.86      
19 A 901 903 18.80      
20 A 880 881 28.34      
21 A 864 865 5.73      
22 A 810 812 2.27      
23 A 802 803 7.16      
24 A 678 680 23.55      
25 A 664 666 4.93      
26 A 438 439 17.66      
27 A 90 90 0.91      

Unscaled Zero Point Vibrational Energy (zpe) 19564.8 cm-1
Scaled (by 1.0016) Zero Point Vibrational Energy (zpe) 19596.1 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 BLYP/cc-pVDZ
ABC
0.26463 0.25309 0.13668

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 0.900 2.170 0.080
C2 0.494 1.155 0.045
H3 2.300 -0.139 0.017
C4 1.214 0.015 0.009
O5 0.483 -1.155 -0.067
H6 -1.419 1.121 -1.033
H7 -1.607 1.251 0.738
C8 -0.985 0.795 -0.061
H9 -1.504 -1.299 -0.709
H10 -1.274 -1.103 1.069
C11 -0.933 -0.758 0.070

Atom - Atom Distances (Å)
  H1 C2 H3 C4 O5 H6 H7 C8 H9 H10 C11
H11.09462.70142.17983.35492.77832.75032.33794.29404.05263.4548
C21.09462.22161.34862.31242.19612.21491.52603.25253.04552.3863
H32.70142.22161.09712.08374.06474.20953.41634.04233.84883.2921
C42.17981.34861.09711.38133.04003.16532.33443.10232.92662.2822
O53.35492.31242.08371.38133.11973.28732.44102.09262.09321.4768
H62.77832.19614.06473.04003.11971.78571.11382.44343.06442.2327
H72.75032.21494.20953.16533.28731.78571.11012.93372.40102.2220
C82.33791.52603.41632.33442.44101.11381.11012.25262.22811.5594
H94.29403.25254.04233.10232.09262.44342.93372.25261.80351.1068
H104.05263.04553.84882.92662.09323.06442.40102.22811.80351.1111
C113.45482.38633.29212.28221.47682.23272.22201.55941.10681.1111

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 125.983 H1 C2 C8 125.475
C2 C4 H3 130.271 C2 C4 O5 115.780
C2 C8 H6 111.647 C2 C8 H7 113.379
C2 C8 C11 101.319 H3 C4 O5 113.944
C4 C2 C8 108.442 C4 O5 C11 105.929
O5 C11 C8 106.993 O5 C11 H9 107.316
O5 C11 H10 107.116 H6 C8 H7 106.822
H6 C8 C11 112.203 H7 C8 C11 111.575
C8 C11 H9 114.246 C8 C11 H10 112.000
H9 C11 H10 108.812
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H -0.048      
2 C -0.080      
3 H -0.023      
4 C 0.158      
5 O -0.241      
6 H 0.011      
7 H 0.007      
8 C 0.037      
9 H 0.012      
10 H 0.013      
11 C 0.155      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.764 0.652 0.082 1.008
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.332 1.172 0.038
y 1.172 -31.326 -0.094
z 0.038 -0.094 -31.100
Traceless
 xyz
x 3.881 1.172 0.038
y 1.172 -2.110 -0.094
z 0.038 -0.094 -1.771
Polar
3z2-r2-3.542
x2-y23.994
xy1.172
xz0.038
yz-0.094


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.662 -0.120 0.047
y -0.120 7.552 -0.019
z 0.047 -0.019 4.670


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