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

using model chemistry: HF/CEP-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 HF/CEP-31G*
 hartrees
Energy at 0K-46.588697
Energy at 298.15K-46.595610
HF Energy-46.588697
Nuclear repulsion energy115.515606
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 HF/CEP-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' 3475 3121 4.50      
2 A' 3465 3111 6.65      
3 A' 3433 3083 3.77      
4 A' 3299 2963 45.70      
5 A' 3224 2895 57.10      
6 A' 1809 1624 0.28      
7 A' 1694 1521 35.65      
8 A' 1625 1459 4.52      
9 A' 1557 1398 1.15      
10 A' 1529 1373 2.74      
11 A' 1376 1236 7.15      
12 A' 1369 1229 3.98      
13 A' 1306 1173 20.74      
14 A' 1175 1055 13.32      
15 A' 1142 1026 54.61      
16 A' 1092 981 0.71      
17 A' 1033 928 2.08      
18 A' 943 846 27.80      
19 A' 671 602 4.41      
20 A' 324 291 0.92      
21 A" 3284 2949 49.37      
22 A" 1612 1448 5.64      
23 A" 1154 1036 1.08      
24 A" 1000 898 0.55      
25 A" 904 812 86.29      
26 A" 858 770 11.33      
27 A" 656 589 0.11      
28 A" 640 575 30.16      
29 A" 275 247 4.37      
30 A" 152 136 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 23036.4 cm-1
Scaled (by 0.898) Zero Point Vibrational Energy (zpe) 20686.6 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 HF/CEP-31G*
ABC
0.29743 0.11112 0.08214

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.701 -1.459 0.000
C2 -1.081 -0.156 0.000
C3 0.649 -1.479 0.000
C4 0.000 0.684 0.000
C5 1.159 -0.210 0.000
C6 0.008 2.202 0.000
H7 -2.142 0.026 0.000
H8 1.109 -2.452 0.000
H9 2.200 0.066 0.000
H10 -1.008 2.599 0.000
H11 0.522 2.591 0.882
H12 0.522 2.591 -0.882

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
O11.35771.34972.25512.24093.72892.06902.06453.27794.06974.32144.3214
C21.35772.17781.36912.24132.59691.07583.17333.28902.75573.30013.3001
C31.34972.17782.25821.36773.73613.17001.07652.18984.40164.16604.1660
C42.25511.36912.25821.46431.51772.24043.32632.28542.16412.16452.1645
C52.24092.24131.36771.46432.67293.30942.24221.07693.54833.00493.0049
C63.72892.59693.73611.51772.67293.05824.78223.06091.09081.09231.0923
H72.06901.07583.17002.24043.30943.05824.08744.34202.81143.80103.8010
H82.06453.17331.07653.32632.24224.78224.08742.74425.47675.15275.1527
H93.27793.28902.18982.28541.07693.06094.34202.74424.08793.15743.1574
H104.06972.75574.40162.16413.54831.09082.81145.47674.08791.76601.7660
H114.32143.30014.16602.16453.00491.09233.80105.15273.15741.76601.7636
H124.32143.30014.16602.16453.00491.09233.80105.15273.15741.76601.7636

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 111.580 O1 C2 H7 115.991
O1 C3 C5 111.097 O1 C3 H8 116.175
C2 O1 C3 107.098 C2 C4 C5 104.515
C2 C4 C6 128.126 C3 C5 C4 105.709
C3 C5 H9 126.803 C4 C2 H7 132.429
C4 C5 H9 127.487 C4 C6 H10 111.064
C4 C6 H11 111.004 C4 C6 H12 111.004
C5 C3 H8 132.728 C5 C4 C6 127.359
H10 C6 H11 107.981 H10 C6 H12 107.981
H11 C6 H12 107.661
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.116      
2 C -0.437      
3 C -0.409      
4 C -0.055      
5 C -0.020      
6 C -0.167      
7 H 0.279      
8 H 0.257      
9 H 0.319      
10 H 0.128      
11 H 0.110      
12 H 0.110      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.571 0.920 0.000 1.083
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.971 -2.457 0.000
y -2.457 -33.571 0.000
z 0.000 0.000 -38.494
Traceless
 xyz
x 4.062 -2.457 0.000
y -2.457 1.661 0.000
z 0.000 0.000 -5.723
Polar
3z2-r2-11.446
x2-y21.601
xy-2.457
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.096 0.212 0.000
y 0.212 9.195 0.000
z 0.000 0.000 4.507


<r2> (average value of r2) Å2
<r2> 118.872
(<r2>)1/2 10.903