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

using model chemistry: B3LYP/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 B3LYP/3-21G
 hartrees
Energy at 0K-267.858496
Energy at 298.15K-267.865124
HF Energy-267.858496
Nuclear repulsion energy218.905126
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/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' 3324 3208 0.41      
2 A' 3313 3197 0.12      
3 A' 3278 3163 1.12      
4 A' 3121 3011 14.72      
5 A' 3048 2941 23.95      
6 A' 1628 1571 2.96      
7 A' 1557 1502 7.87      
8 A' 1510 1457 6.49      
9 A' 1468 1417 1.97      
10 A' 1384 1335 8.15      
11 A' 1277 1232 0.48      
12 A' 1254 1210 0.87      
13 A' 1169 1128 13.04      
14 A' 1061 1024 8.65      
15 A' 1044 1008 3.11      
16 A' 1023 987 14.62      
17 A' 981 946 0.90      
18 A' 880 849 30.84      
19 A' 636 614 2.28      
20 A' 322 311 1.02      
21 A" 3095 2986 18.48      
22 A" 1555 1501 7.40      
23 A" 1106 1067 6.73      
24 A" 894 863 0.07      
25 A" 803 775 63.65      
26 A" 757 730 12.39      
27 A" 630 608 2.31      
28 A" 613 591 22.69      
29 A" 263 254 3.33      
30 A" 117 113 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 21554.4 cm-1
Scaled (by 0.9649) Zero Point Vibrational Energy (zpe) 20797.8 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/3-21G
ABC
0.28971 0.11091 0.08143

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.728 -1.472 0.000
C2 -1.103 -0.120 0.000
C3 0.671 -1.483 0.000
C4 0.000 0.681 0.000
C5 1.148 -0.208 0.000
C6 0.037 2.185 0.000
H7 -2.159 0.078 0.000
H8 1.135 -2.452 0.000
H9 2.183 0.091 0.000
H10 -0.975 2.600 0.000
H11 0.561 2.563 0.886
H12 0.561 2.563 -0.886

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
O11.40291.39932.27302.26143.73592.10942.10483.30364.07964.32744.3274
C21.40292.23691.36312.25212.57131.07483.23173.29212.72323.27893.2789
C31.39932.23692.26571.36033.72193.23211.07442.18184.40254.14314.1431
C42.27301.36312.26571.45221.50402.24203.33252.26102.15262.15422.1542
C52.26142.25211.36031.45222.63843.31922.24351.07743.52082.96852.9685
C63.73592.57133.72191.50402.63843.04374.76502.99791.09451.09661.0966
H72.10941.07483.23212.24203.31923.04374.15324.34182.78653.78943.7894
H82.10483.23171.07443.33252.24354.76504.15322.75045.47525.12505.1250
H93.30363.29212.18182.26101.07742.99794.34182.75044.03353.08673.0867
H104.07962.72324.40252.15263.52081.09452.78655.47524.03351.77381.7738
H114.32743.27894.14312.15422.96851.09663.78945.12503.08671.77381.7726
H124.32743.27894.14312.15422.96851.09663.78945.12503.08671.77381.7726

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 110.512 O1 C2 H7 116.092
O1 C3 C5 110.056 O1 C3 H8 115.990
C2 O1 C3 105.935 C2 C4 C5 106.204
C2 C4 C6 127.421 C3 C5 C4 107.293
C3 C5 H9 126.635 C4 C2 H7 133.397
C4 C5 H9 126.072 C4 C6 H10 110.889
C4 C6 H11 110.891 C4 C6 H12 110.891
C5 C3 H8 133.954 C5 C4 C6 126.374
H10 C6 H11 108.100 H10 C6 H12 108.100
H11 C6 H12 107.846
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.478      
2 C 0.078      
3 C 0.073      
4 C -0.039      
5 C -0.245      
6 C -0.624      
7 H 0.214      
8 H 0.217      
9 H 0.185      
10 H 0.200      
11 H 0.210      
12 H 0.210      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.597 1.008 0.000 1.172
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.762 -2.606 0.000
y -2.606 -33.229 0.000
z 0.000 0.000 -38.202
Traceless
 xyz
x 3.953 -2.606 0.000
y -2.606 1.754 0.000
z 0.000 0.000 -5.707
Polar
3z2-r2-11.414
x2-y21.466
xy-2.606
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.791 -0.142 0.000
y -0.142 8.779 0.000
z 0.000 0.000 3.249


<r2> (average value of r2) Å2
<r2> 145.719
(<r2>)1/2 12.071