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

using model chemistry: B1B95/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B1B95/6-31G
 hartrees
Energy at 0K-269.142854
Energy at 298.15K-269.149548
HF Energy-269.142854
Nuclear repulsion energy220.278930
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 B1B95/6-31G
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' 3372 3216 0.20      
2 A' 3361 3206 0.16      
3 A' 3314 3160 2.12      
4 A' 3168 3021 17.48      
5 A' 3071 2929 30.91      
6 A' 1681 1603 2.85      
7 A' 1560 1488 12.09      
8 A' 1544 1472 6.93      
9 A' 1471 1403 4.73      
10 A' 1433 1367 6.20      
11 A' 1303 1242 0.44      
12 A' 1276 1217 1.64      
13 A' 1203 1147 18.39      
14 A' 1100 1049 5.99      
15 A' 1049 1001 29.08      
16 A' 1044 996 2.35      
17 A' 996 950 1.78      
18 A' 888 847 29.01      
19 A' 653 623 2.62      
20 A' 327 311 0.95      
21 A" 3140 2994 20.48      
22 A" 1534 1463 9.36      
23 A" 1104 1053 6.05      
24 A" 905 863 0.81      
25 A" 809 772 66.95      
26 A" 770 734 9.41      
27 A" 636 606 4.08      
28 A" 617 589 22.86      
29 A" 272 260 2.62      
30 A" 124 119 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 21861.4 cm-1
Scaled (by 0.9537) Zero Point Vibrational Energy (zpe) 20849.2 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 B1B95/6-31G
ABC
0.29370 0.11225 0.08246

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.712 -1.459 0.000
C2 -1.097 -0.128 0.000
C3 0.669 -1.475 0.000
C4 0.000 0.679 0.000
C5 1.142 -0.202 0.000
C6 0.026 2.171 0.000
H7 -2.155 0.055 0.000
H8 1.128 -2.446 0.000
H9 2.177 0.096 0.000
H10 -0.985 2.583 0.000
H11 0.544 2.560 0.881
H12 0.544 2.560 -0.881

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
O11.38591.38162.25412.24013.70422.09182.08743.28114.05214.30234.3023
C21.38592.22141.36172.24002.55791.07363.21243.28112.71373.27003.2700
C31.38162.22142.25611.35793.70233.21221.07322.17764.38294.13234.1323
C42.25411.36172.25611.44271.49162.24303.32222.25352.14372.14692.1469
C52.24012.24001.35791.44272.62243.30662.24351.07703.50482.96052.9605
C63.70422.55793.70231.49162.62243.03764.74602.98831.09141.09381.0938
H72.09181.07363.21222.24303.30663.03764.12654.33152.78563.78553.7855
H82.08743.21241.07323.32222.24354.74604.12652.75005.45485.11615.1161
H93.28113.28112.17762.25351.07702.98834.33152.75004.02253.08433.0843
H104.05212.71374.38292.14373.50481.09142.78565.45484.02251.76431.7643
H114.30233.27004.13232.14692.96051.09383.78555.11613.08431.76431.7620
H124.30233.27004.13232.14692.96051.09383.78555.11613.08431.76431.7620

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 110.240 O1 C2 H7 115.949
O1 C3 C5 109.710 O1 C3 H8 115.932
C2 O1 C3 106.771 C2 C4 C5 105.981
C2 C4 C6 127.340 C3 C5 C4 107.297
C3 C5 H9 126.466 C4 C2 H7 133.811
C4 C5 H9 126.237 C4 C6 H10 111.243
C4 C6 H11 111.357 C4 C6 H12 111.357
C5 C3 H8 134.358 C5 C4 C6 126.679
H10 C6 H11 107.687 H10 C6 H12 107.687
H11 C6 H12 107.311
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.503      
2 C 0.071      
3 C 0.066      
4 C -0.028      
5 C -0.172      
6 C -0.505      
7 H 0.191      
8 H 0.194      
9 H 0.171      
10 H 0.165      
11 H 0.175      
12 H 0.175      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.743 1.210 0.000 1.420
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.727 -2.900 0.000
y -2.900 -33.506 0.000
z 0.000 0.000 -37.634
Traceless
 xyz
x 3.843 -2.900 0.000
y -2.900 1.174 0.000
z 0.000 0.000 -5.017
Polar
3z2-r2-10.034
x2-y21.779
xy-2.900
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.090 -0.085 0.000
y -0.085 9.059 0.000
z 0.000 0.000 3.749


<r2> (average value of r2) Å2
<r2> 144.227
(<r2>)1/2 12.009