return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: HSEh1PBE/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 HSEh1PBE/6-31G*
 hartrees
Energy at 0K-269.049248
Energy at 298.15K-269.055886
HF Energy-269.049248
Nuclear repulsion energy221.604657
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 HSEh1PBE/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' 3325 3162 1.24      
2 A' 3314 3152 1.31      
3 A' 3284 3123 1.90      
4 A' 3157 3002 16.76      
5 A' 3067 2917 31.83      
6 A' 1683 1600 1.76      
7 A' 1574 1497 15.15      
8 A' 1527 1452 6.64      
9 A' 1449 1378 4.11      
10 A' 1435 1365 1.61      
11 A' 1308 1244 5.01      
12 A' 1280 1217 2.11      
13 A' 1247 1186 16.59      
14 A' 1121 1066 16.67      
15 A' 1080 1027 21.04      
16 A' 1026 976 4.68      
17 A' 989 941 2.02      
18 A' 897 853 22.41      
19 A' 652 620 2.33      
20 A' 316 301 0.97      
21 A" 3130 2977 18.73      
22 A" 1511 1437 6.72      
23 A" 1076 1024 3.24      
24 A" 852 810 1.92      
25 A" 786 747 54.22      
26 A" 734 698 4.44      
27 A" 631 600 4.06      
28 A" 628 597 13.60      
29 A" 267 254 2.80      
30 A" 132 125 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 21738.1 cm-1
Scaled (by 0.951) Zero Point Vibrational Energy (zpe) 20672.9 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 HSEh1PBE/6-31G*
ABC
0.29932 0.11283 0.08321

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.688 -1.457 0.000
C2 -1.075 -0.156 0.000
C3 0.665 -1.459 0.000
C4 0.000 0.677 0.000
C5 1.144 -0.190 0.000
C6 -0.008 2.170 0.000
H7 -2.141 0.017 0.000
H8 1.133 -2.432 0.000
H9 2.185 0.106 0.000
H10 -1.031 2.560 0.000
H11 0.502 2.574 0.882
H12 0.502 2.574 -0.882

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
O11.35701.35352.24262.22833.69032.06952.06603.27104.03174.29464.2946
C21.35702.17371.36012.21962.55911.08003.17093.27042.71673.27383.2738
C31.35352.17372.23761.35683.69133.17071.07962.18174.36254.13174.1317
C42.24261.36012.23761.43591.49282.24033.30942.25852.14652.15112.1511
C52.22832.21961.35681.43592.62663.29192.24231.08183.50632.97152.9715
C63.69032.55913.69131.49282.62663.03024.74173.01201.09421.09631.0963
H72.06951.08003.17072.24033.29193.03024.08874.32682.77473.78153.7815
H82.06603.17091.07963.30942.24234.74174.08872.74755.44105.12225.1222
H93.27103.27042.18172.25851.08183.01204.32682.74754.04533.11473.1147
H104.03172.71674.36252.14653.50631.09422.77475.44104.04531.76851.7685
H114.29463.27384.13172.15112.97151.09633.78155.12223.11471.76851.7644
H124.29463.27384.13172.15112.97151.09633.78155.12223.11471.76851.7644

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 111.249 O1 C2 H7 115.782
O1 C3 C5 110.600 O1 C3 H8 115.774
C2 O1 C3 106.634 C2 C4 C5 105.057
C2 C4 C6 127.467 C3 C5 C4 106.460
C3 C5 H9 126.563 C4 C2 H7 132.969
C4 C5 H9 126.977 C4 C6 H10 111.210
C4 C6 H11 111.450 C4 C6 H12 111.450
C5 C3 H8 133.626 C5 C4 C6 127.476
H10 C6 H11 107.681 H10 C6 H12 107.681
H11 C6 H12 107.161
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.402      
2 C 0.016      
3 C 0.056      
4 C 0.071      
5 C -0.243      
6 C -0.589      
7 H 0.180      
8 H 0.185      
9 H 0.170      
10 H 0.181      
11 H 0.187      
12 H 0.187      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.438 0.773 0.000 0.889
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.507 -2.065 0.000
y -2.065 -32.858 0.000
z 0.000 0.000 -37.337
Traceless
 xyz
x 3.591 -2.065 0.000
y -2.065 1.564 0.000
z 0.000 0.000 -5.154
Polar
3z2-r2-10.309
x2-y21.351
xy-2.065
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.214 -0.118 0.000
y -0.118 9.294 0.000
z 0.000 0.000 4.025


<r2> (average value of r2) Å2
<r2> 143.036
(<r2>)1/2 11.960