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

using model chemistry: B3PW91/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3PW91/3-21G
 hartrees
Energy at 0K-267.758490
Energy at 298.15K-267.765134
HF Energy-267.758490
Nuclear repulsion energy219.240017
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 B3PW91/3-21G
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' 3333 3204 0.30      
2 A' 3322 3193 0.02      
3 A' 3287 3159 0.80      
4 A' 3135 3014 12.30      
5 A' 3053 2935 21.89      
6 A' 1633 1570 3.37      
7 A' 1550 1490 9.57      
8 A' 1516 1457 6.13      
9 A' 1461 1405 4.38      
10 A' 1390 1336 8.72      
11 A' 1278 1229 0.55      
12 A' 1257 1208 0.85      
13 A' 1175 1129 14.46      
14 A' 1074 1033 7.39      
15 A' 1044 1003 1.86      
16 A' 1033 993 17.95      
17 A' 984 946 1.21      
18 A' 884 849 30.63      
19 A' 641 616 2.12      
20 A' 322 309 1.13      
21 A" 3111 2990 15.37      
22 A" 1548 1488 8.83      
23 A" 1102 1059 8.49      
24 A" 898 863 0.04      
25 A" 807 776 69.20      
26 A" 762 733 15.61      
27 A" 631 606 2.36      
28 A" 617 593 25.65      
29 A" 264 254 4.03      
30 A" 116 112 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 21613.2 cm-1
Scaled (by 0.9612) Zero Point Vibrational Energy (zpe) 20774.6 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 B3PW91/3-21G
ABC
0.29051 0.11132 0.08172

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.720 -1.456 0.000
C2 -1.104 -0.124 0.000
C3 0.662 -1.487 0.000
C4 0.000 0.682 0.000
C5 1.151 -0.213 0.000
C6 0.035 2.180 0.000
H7 -2.160 0.082 0.000
H8 1.131 -2.455 0.000
H9 2.189 0.078 0.000
H10 -0.980 2.593 0.000
H11 0.558 2.558 0.887
H12 0.558 2.558 -0.887

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
O11.38671.38212.25632.24643.71392.10742.10303.28864.05734.30544.3054
C21.38672.23041.36662.25682.56981.07633.22923.29882.71933.27743.2774
C31.38212.23042.26751.36423.72013.22881.07602.18624.39744.14254.1425
C42.25631.36662.26751.45851.49852.24183.33482.27082.14732.14912.1491
C52.24642.25681.36421.45852.64113.32462.24191.07773.52372.97022.9702
C63.71392.56983.72011.49852.64113.03614.76313.01021.09541.09721.0972
H72.10741.07633.22882.24183.32463.03614.15554.34912.77393.78213.7821
H82.10303.22921.07603.33482.24194.76314.15552.74515.47145.12355.1235
H93.28863.29882.18622.27081.07773.01024.34912.74514.04573.09873.0987
H104.05732.71934.39742.14733.52371.09542.77395.47144.04571.77571.7757
H114.30543.27744.14252.14912.97021.09723.78215.12353.09871.77571.7746
H124.30543.27744.14252.14912.97021.09723.78215.12353.09871.77571.7746

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 110.066 O1 C2 H7 117.107
O1 C3 C5 109.764 O1 C3 H8 117.094
C2 O1 C3 107.329 C2 C4 C5 105.992
C2 C4 C6 127.458 C3 C5 C4 106.849
C3 C5 H9 126.694 C4 C2 H7 132.827
C4 C5 H9 126.457 C4 C6 H10 110.800
C4 C6 H11 110.831 C4 C6 H12 110.831
C5 C3 H8 133.143 C5 C4 C6 126.550
H10 C6 H11 108.165 H10 C6 H12 108.165
H11 C6 H12 107.937
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.483      
2 C 0.062      
3 C 0.049      
4 C -0.063      
5 C -0.272      
6 C -0.684      
7 H 0.242      
8 H 0.246      
9 H 0.215      
10 H 0.223      
11 H 0.232      
12 H 0.232      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.596 1.027 0.000 1.188
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.414 -2.637 0.000
y -2.637 -32.888 0.000
z 0.000 0.000 -38.311
Traceless
 xyz
x 4.185 -2.637 0.000
y -2.637 1.975 0.000
z 0.000 0.000 -6.160
Polar
3z2-r2-12.321
x2-y21.474
xy-2.637
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.777 -0.141 0.000
y -0.141 8.766 0.000
z 0.000 0.000 3.269


<r2> (average value of r2) Å2
<r2> 145.190
(<r2>)1/2 12.049