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

using model chemistry: B3LYP/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B3LYP/TZVP
 hartrees
Energy at 0K-231.306212
Energy at 298.15K-231.313395
HF Energy-231.306212
Nuclear repulsion energy174.162671
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 B3LYP/TZVP
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 3253 3141 5.19      
2 A 3228 3117 1.17      
3 A 3114 3007 31.74      
4 A 3065 2959 37.24      
5 A 3042 2937 35.96      
6 A 3015 2911 40.76      
7 A 1675 1617 61.67      
8 A 1524 1471 0.86      
9 A 1502 1450 0.64      
10 A 1407 1358 2.70      
11 A 1328 1282 0.62      
12 A 1308 1262 10.02      
13 A 1246 1203 8.47      
14 A 1211 1169 7.62      
15 A 1164 1124 53.33      
16 A 1087 1049 39.77      
17 A 1073 1036 37.27      
18 A 1001 966 4.56      
19 A 931 899 13.00      
20 A 926 894 42.67      
21 A 921 889 8.51      
22 A 846 816 4.61      
23 A 837 808 6.27      
24 A 720 695 44.92      
25 A 690 666 3.35      
26 A 458 442 21.08      
27 A 107 103 1.29      

Unscaled Zero Point Vibrational Energy (zpe) 20338.6 cm-1
Scaled (by 0.9654) Zero Point Vibrational Energy (zpe) 19634.9 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 B3LYP/TZVP
ABC
0.26975 0.26034 0.14003

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/TZVP

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 0.955 1.895 0.539
C2 0.558 1.034 0.137
H3 2.235 -0.232 0.057
C4 1.194 -0.122 -0.001
O5 0.296 -1.164 -0.205
H6 -0.866 0.685 -1.344
H7 -1.526 1.566 0.071
C8 -0.815 0.817 -0.260
H9 -1.917 -1.035 -0.054
H10 -0.975 -0.547 1.382
C11 -0.982 -0.567 0.288

Atom - Atom Distances (Å)
  H1 C2 H3 C4 O5 H6 H7 C8 H9 H10 C11
H11.02972.52852.10103.21602.88542.54562.22104.14523.22493.1422
C21.02972.10281.32602.23972.08372.15131.44583.23152.53042.2264
H32.52852.10281.04902.16743.52474.16823.24164.23073.48743.2427
C42.10101.32601.04901.39052.58803.20092.23283.24242.60712.2393
O53.21602.23972.16741.39052.46343.29322.27262.22212.12451.4942
H62.88542.08373.52472.58802.46341.79181.09332.39262.99332.0597
H72.54562.15134.16823.20093.29321.79181.08312.63272.54692.2113
C82.22101.44583.24162.23282.27261.09331.08312.16482.14081.4978
H94.14523.23154.23073.24242.22212.39262.63272.16481.78521.1003
H103.22492.53043.48742.60712.12452.99332.54692.14081.78521.0942
C113.14222.22643.24272.23931.49422.05972.21131.49781.10031.0942

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 125.746 H1 C2 C8 126.763
C2 C4 H3 124.176 C2 C4 O5 111.049
C2 C8 H6 109.520 C2 C8 H7 115.826
C2 C8 C11 98.270 H3 C4 O5 124.765
C4 C2 C8 107.239 C4 O5 C11 101.779
O5 C11 C8 98.850 O5 C11 H9 117.036
O5 C11 H10 109.352 H6 C8 H7 110.833
H6 C8 C11 104.205 H7 C8 C11 116.999
C8 C11 H9 111.956 C8 C11 H10 110.392
H9 C11 H10 108.876
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.137      
2 C -0.158      
3 H 0.124      
4 C -0.039      
5 O -0.230      
6 H 0.127      
7 H 0.127      
8 C -0.253      
9 H 0.127      
10 H 0.122      
11 C -0.084      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.825 1.031 0.102 1.324
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.926 1.012 0.047
y 1.012 -32.075 -0.184
z 0.047 -0.184 -31.533
Traceless
 xyz
x 4.878 1.012 0.047
y 1.012 -2.845 -0.184
z 0.047 -0.184 -2.033
Polar
3z2-r2-4.066
x2-y25.149
xy1.012
xz0.047
yz-0.184


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.708 -0.248 0.030
y -0.248 7.805 -0.029
z 0.030 -0.029 5.457


<r2> (average value of r2) Å2
<r2> 94.503
(<r2>)1/2 9.721