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

using model chemistry: mPW1PW91/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at mPW1PW91/6-31G**
 hartrees
Energy at 0K-269.283831
Energy at 298.15K-269.290488
HF Energy-269.283831
Nuclear repulsion energy221.688246
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 mPW1PW91/6-31G**
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 3163 0.80      
2 A' 3314 3153 0.88      
3 A' 3287 3128 1.52      
4 A' 3161 3008 16.02      
5 A' 3068 2919 31.16      
6 A' 1682 1600 1.76      
7 A' 1575 1498 15.06      
8 A' 1515 1442 6.33      
9 A' 1442 1372 5.58      
10 A' 1429 1359 0.26      
11 A' 1306 1242 5.05      
12 A' 1281 1219 2.22      
13 A' 1247 1186 15.77      
14 A' 1120 1066 17.41      
15 A' 1080 1028 20.83      
16 A' 1022 973 5.07      
17 A' 987 939 1.85      
18 A' 898 854 22.44      
19 A' 651 620 2.29      
20 A' 319 303 1.01      
21 A" 3134 2982 18.06      
22 A" 1498 1425 6.33      
23 A" 1069 1017 3.21      
24 A" 862 820 1.15      
25 A" 792 753 53.35      
26 A" 740 704 5.00      
27 A" 631 600 1.41      
28 A" 628 597 16.85      
29 A" 268 255 2.81      
30 A" 127 121 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 21727.3 cm-1
Scaled (by 0.9515) Zero Point Vibrational Energy (zpe) 20673.6 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 mPW1PW91/6-31G**
ABC
0.29948 0.11290 0.08326

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.689 -1.456 0.000
C2 -1.075 -0.155 0.000
C3 0.664 -1.459 0.000
C4 0.000 0.677 0.000
C5 1.144 -0.191 0.000
C6 -0.007 2.170 0.000
H7 -2.139 0.021 0.000
H8 1.133 -2.430 0.000
H9 2.183 0.103 0.000
H10 -1.026 2.560 0.000
H11 0.504 2.571 0.881
H12 0.504 2.571 -0.881

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
O11.35701.35332.24192.22763.68982.06962.06633.26824.03064.29154.2915
C21.35702.17391.35972.21952.55891.07823.17033.26862.71603.27123.2712
C31.35332.17392.23711.35633.69073.16981.07782.17884.36064.12854.1285
C42.24191.35972.23711.43591.49292.23743.30692.25752.14482.14852.1485
C52.22762.21951.35631.43592.62623.28982.23881.07983.50412.96862.9686
C63.68982.55893.69071.49292.62623.02744.73873.01161.09181.09411.0941
H72.06961.07823.16982.23743.28983.02744.08814.32302.77253.77653.7765
H82.06633.17031.07783.30692.23884.73874.08812.74125.43725.11645.1164
H93.26823.26862.17882.25751.07983.01164.32302.74124.04253.11283.1128
H104.03062.71604.36062.14483.50411.09182.77255.43724.04251.76541.7654
H114.29153.27124.12852.14852.96861.09413.77655.11643.11281.76541.7615
H124.29153.27124.12852.14852.96861.09413.77655.11643.11281.76541.7615

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 111.217 O1 C2 H7 115.921
O1 C3 C5 110.593 O1 C3 H8 115.944
C2 O1 C3 106.654 C2 C4 C5 105.076
C2 C4 C6 127.483 C3 C5 C4 106.460
C3 C5 H9 126.486 C4 C2 H7 132.862
C4 C5 H9 127.055 C4 C6 H10 111.206
C4 C6 H11 111.372 C4 C6 H12 111.372
C5 C3 H8 133.463 C5 C4 C6 127.440
H10 C6 H11 107.732 H10 C6 H12 107.732
H11 C6 H12 107.229
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.421      
2 C 0.076      
3 C 0.105      
4 C 0.022      
5 C -0.193      
6 C -0.446      
7 H 0.142      
8 H 0.146      
9 H 0.130      
10 H 0.141      
11 H 0.149      
12 H 0.149      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.448 0.804 0.000 0.920
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.435 -2.091 0.000
y -2.091 -32.726 0.000
z 0.000 0.000 -37.235
Traceless
 xyz
x 3.545 -2.091 0.000
y -2.091 1.610 0.000
z 0.000 0.000 -5.155
Polar
3z2-r2-10.309
x2-y21.290
xy-2.091
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.262 -0.122 0.000
y -0.122 9.342 0.000
z 0.000 0.000 4.077


<r2> (average value of r2) Å2
<r2> 142.880
(<r2>)1/2 11.953