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

using model chemistry: B97D3/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 B97D3/cc-pVTZ
 hartrees
Energy at 0K-231.161237
Energy at 298.15K-231.168249
HF Energy-231.161237
Nuclear repulsion energy173.615292
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/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 3199 3154 8.57      
2 A 3168 3124 4.55      
3 A 3053 3011 39.79      
4 A 3005 2963 50.78      
5 A 2987 2945 33.28      
6 A 2959 2917 51.30      
7 A 1636 1613 57.50      
8 A 1489 1468 0.38      
9 A 1468 1447 0.22      
10 A 1372 1353 2.97      
11 A 1292 1274 0.38      
12 A 1273 1255 9.92      
13 A 1222 1205 5.94      
14 A 1181 1164 4.50      
15 A 1135 1119 46.58      
16 A 1058 1043 27.49      
17 A 1048 1033 36.23      
18 A 979 965 3.24      
19 A 912 900 19.80      
20 A 893 881 35.20      
21 A 879 866 5.21      
22 A 824 813 3.14      
23 A 819 808 5.37      
24 A 687 677 25.90      
25 A 679 669 13.96      
26 A 446 440 19.13      
27 A 61 60 0.82      

Unscaled Zero Point Vibrational Energy (zpe) 19860.8 cm-1
Scaled (by 0.986) Zero Point Vibrational Energy (zpe) 19582.7 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/cc-pVTZ
ABC
0.26904 0.25796 0.13892

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/cc-pVTZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 0.945 2.124 0.066
C2 0.519 1.131 0.036
H3 2.275 -0.184 0.015
C4 1.205 -0.014 0.007
O5 0.452 -1.156 -0.055
H6 -1.395 1.159 -0.996
H7 -1.543 1.267 0.759
C8 -0.958 0.814 -0.049
H9 -1.503 -1.232 -0.737
H10 -1.313 -1.080 1.029
C11 -0.946 -0.731 0.057

Atom - Atom Distances (Å)
  H1 C2 H3 C4 O5 H6 H7 C8 H9 H10 C11
H11.08082.66452.15433.31892.74442.72052.31284.23104.03573.4241
C21.08082.19391.33472.28972.17462.18901.51293.20513.03772.3691
H32.66452.19391.08352.06704.03664.15153.38393.99233.83423.2671
C42.15431.33471.08351.36953.02343.12342.31633.06162.91872.2678
O53.31892.28972.06701.36953.10753.24242.42232.07232.07211.4652
H62.74442.17464.03663.02343.10751.76431.09852.40783.01982.2098
H72.72052.18904.15153.12343.24241.76431.09572.91342.37372.2004
C82.31281.51293.38392.31632.42231.09851.09572.22652.20761.5485
H94.23103.20513.99233.06162.07232.40782.91342.22651.78281.0923
H104.03573.03773.83422.91872.07213.01982.37372.20761.78281.0955
C113.42412.36913.26712.26781.46522.20982.20041.54851.09231.0955

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 125.776 H1 C2 C8 125.414
C2 C4 H3 130.158 C2 C4 O5 115.481
C2 C8 H6 111.780 C2 C8 H7 113.131
C2 C8 C11 101.412 H3 C4 O5 114.356
C4 C2 C8 108.752 C4 O5 C11 106.449
O5 C11 C8 106.912 O5 C11 H9 107.651
O5 C11 H10 107.331 H6 C8 H7 107.006
H6 C8 C11 112.077 H7 C8 C11 111.522
C8 C11 H9 113.697 C8 C11 H10 112.001
H9 C11 H10 108.948
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.104      
2 C -0.209      
3 H 0.105      
4 C 0.020      
5 O -0.233      
6 H 0.074      
7 H 0.074      
8 C -0.116      
9 H 0.070      
10 H 0.062      
11 C 0.048      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.810 0.757 0.064 1.110
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.110 1.126 0.032
y 1.126 -31.359 -0.090
z 0.032 -0.090 -31.068
Traceless
 xyz
x 4.104 1.126 0.032
y 1.126 -2.270 -0.090
z 0.032 -0.090 -1.834
Polar
3z2-r2-3.667
x2-y24.249
xy1.126
xz0.032
yz-0.090


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.014 -0.172 0.030
y -0.172 7.983 -0.019
z 0.030 -0.019 5.348


<r2> (average value of r2) Å2
<r2> 94.815
(<r2>)1/2 9.737