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All results from a given calculation for C5H6O (3-Methylfuran)

using model chemistry: PBEPBE/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBEPBE/3-21G
 hartrees
Energy at 0K-267.526209
Energy at 298.15K-267.532670
HF Energy-267.526209
Nuclear repulsion energy217.597941
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 PBEPBE/3-21G
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' 3252 3222 0.41      
2 A' 3241 3211 0.05      
3 A' 3207 3177 0.89      
4 A' 3063 3035 12.18      
5 A' 2980 2953 23.43      
6 A' 1578 1564 3.55      
7 A' 1508 1494 8.74      
8 A' 1466 1452 4.48      
9 A' 1416 1403 3.10      
10 A' 1345 1333 8.67      
11 A' 1239 1228 0.51      
12 A' 1215 1204 0.59      
13 A' 1132 1122 13.34      
14 A' 1035 1025 8.29      
15 A' 1010 1001 3.03      
16 A' 994 985 10.25      
17 A' 957 948 1.34      
18 A' 853 845 26.16      
19 A' 624 618 1.81      
20 A' 311 309 1.09      
21 A" 3035 3008 15.65      
22 A" 1507 1493 8.28      
23 A" 1065 1055 7.94      
24 A" 838 830 0.34      
25 A" 756 750 78.42      
26 A" 710 703 6.88      
27 A" 606 600 1.12      
28 A" 597 591 19.98      
29 A" 253 251 4.01      
30 A" 112 111 0.03      

Unscaled Zero Point Vibrational Energy (zpe) 20949.9 cm-1
Scaled (by 0.9909) Zero Point Vibrational Energy (zpe) 20759.3 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 PBEPBE/3-21G
ABC
0.28609 0.10979 0.08056

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.727 -1.487 0.000
C2 -1.108 -0.127 0.000
C3 0.682 -1.485 0.000
C4 0.000 0.687 0.000
C5 1.155 -0.199 0.000
C6 0.027 2.193 0.000
H7 -2.174 0.066 0.000
H8 1.152 -2.462 0.000
H9 2.197 0.109 0.000
H10 -0.997 2.604 0.000
H11 0.552 2.578 0.893
H12 0.552 2.578 -0.893

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
O11.41221.40972.29252.28123.75642.12222.11723.33164.09964.35364.3536
C21.41222.24741.37472.26432.58251.08373.24943.31342.73303.29653.2965
C31.40972.24742.27741.37113.73673.25061.08332.19944.42094.16234.1623
C42.29251.37472.27741.45591.50622.26153.35302.27192.16052.16252.1625
C52.28122.26431.37111.45592.64473.34022.26311.08633.53372.97822.9782
C63.75642.58253.73671.50622.64473.06124.78893.00901.10301.10541.1054
H72.12221.08373.25062.26153.34023.06124.17754.37172.79813.81333.8133
H82.11723.24941.08333.35302.26314.78894.17752.77515.50265.15305.1530
H93.33163.31342.19942.27191.08633.00904.37172.77514.05303.09813.0981
H104.09962.73304.42092.16053.53371.10302.79815.50264.05301.78831.7883
H114.35363.29654.16232.16252.97821.10543.81335.15303.09811.78831.7868
H124.35363.29654.16232.16252.97821.10543.81335.15303.09811.78831.7868

picture of 3-Methylfuran state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 C4 110.677 O1 C2 H7 115.854
O1 C3 C5 110.232 O1 C3 H8 115.645
C2 O1 C3 105.580 C2 C4 C5 106.214
C2 C4 C6 127.323 C3 C5 C4 107.297
C3 C5 H9 126.637 C4 C2 H7 133.469
C4 C5 H9 126.066 C4 C6 H10 110.850
C4 C6 H11 110.866 C4 C6 H12 110.866
C5 C3 H8 134.123 C5 C4 C6 126.463
H10 C6 H11 108.146 H10 C6 H12 108.146
H11 C6 H12 107.847
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.428      
2 C 0.045      
3 C 0.032      
4 C -0.036      
5 C -0.244      
6 C -0.674      
7 H 0.222      
8 H 0.226      
9 H 0.194      
10 H 0.215      
11 H 0.225      
12 H 0.225      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.527 0.964 0.000 1.098
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.574 -2.413 0.000
y -2.413 -32.873 0.000
z 0.000 0.000 -38.378
Traceless
 xyz
x 4.052 -2.413 0.000
y -2.413 2.103 0.000
z 0.000 0.000 -6.155
Polar
3z2-r2-12.310
x2-y21.299
xy-2.413
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.000 -0.203 0.000
y -0.203 9.097 0.000
z 0.000 0.000 3.329


<r2> (average value of r2) Å2
<r2> 146.989
(<r2>)1/2 12.124