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

using model chemistry: B1B95/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B1B95/3-21G
 hartrees
Energy at 0K-267.734989
Energy at 298.15K-267.741682
HF Energy-267.734989
Nuclear repulsion energy219.982436
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 B1B95/3-21G
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' 3359 3214 0.22      
2 A' 3345 3200 0.01      
3 A' 3308 3165 0.75      
4 A' 3160 3023 11.83      
5 A' 3077 2944 20.56      
6 A' 1651 1580 3.15      
7 A' 1557 1490 10.11      
8 A' 1534 1468 6.32      
9 A' 1468 1405 4.66      
10 A' 1402 1341 8.59      
11 A' 1286 1231 0.57      
12 A' 1264 1209 1.08      
13 A' 1186 1135 15.28      
14 A' 1087 1040 6.91      
15 A' 1049 1004 1.04      
16 A' 1042 997 20.95      
17 A' 988 945 1.21      
18 A' 886 848 30.59      
19 A' 644 616 2.27      
20 A' 321 307 1.00      
21 A" 3137 3001 14.52      
22 A" 1555 1488 8.88      
23 A" 1107 1059 8.09      
24 A" 913 873 0.01      
25 A" 819 784 66.96      
26 A" 778 744 15.62      
27 A" 633 606 2.45      
28 A" 619 592 26.37      
29 A" 267 256 3.91      
30 A" 127 122 0.03      

Unscaled Zero Point Vibrational Energy (zpe) 21784.7 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 20841.5 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 B1B95/3-21G
ABC
0.29246 0.11207 0.08227

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.722 -1.463 0.000
C2 -1.098 -0.121 0.000
C3 0.667 -1.476 0.000
C4 0.000 0.679 0.000
C5 1.143 -0.206 0.000
C6 0.036 2.174 0.000
H7 -2.153 0.076 0.000
H8 1.129 -2.444 0.000
H9 2.176 0.092 0.000
H10 -0.975 2.587 0.000
H11 0.558 2.549 0.885
H12 0.558 2.549 -0.885

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
O11.39301.38912.25972.24863.71442.10042.09483.28874.05734.30334.3033
C21.39302.22471.35842.24242.55971.07273.21733.28062.71093.26453.2645
C31.38912.22472.25521.35583.70353.21801.07222.17624.38174.12294.1229
C42.25971.35842.25521.44531.49542.23543.31982.25332.14272.14342.1434
C52.24862.24241.35581.44532.62463.30732.23711.07533.50502.95292.9529
C63.71442.55973.70351.49542.62463.03174.74452.98491.09191.09381.0938
H72.10041.07273.21802.23543.30733.03174.13674.32822.77383.77473.7747
H82.09483.21731.07223.31982.23714.74454.13672.74345.45235.10285.1028
H93.28873.28062.17622.25331.07532.98494.32822.74344.01833.07223.0722
H104.05732.71094.38172.14273.50501.09192.77385.45234.01831.76981.7698
H114.30333.26454.12292.14342.95291.09383.77475.10283.07221.76981.7695
H124.30333.26454.12292.14342.95291.09383.77475.10283.07221.76981.7695

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 110.421 O1 C2 H7 116.222
O1 C3 C5 110.005 O1 C3 H8 116.069
C2 O1 C3 106.195 C2 C4 C5 106.176
C2 C4 C6 127.452 C3 C5 C4 107.202
C3 C5 H9 126.678 C4 C2 H7 133.356
C4 C5 H9 126.120 C4 C6 H10 110.862
C4 C6 H11 110.803 C4 C6 H12 110.803
C5 C3 H8 133.926 C5 C4 C6 126.372
H10 C6 H11 108.142 H10 C6 H12 108.142
H11 C6 H12 107.975
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.494      
2 C 0.074      
3 C 0.056      
4 C -0.085      
5 C -0.264      
6 C -0.662      
7 H 0.240      
8 H 0.244      
9 H 0.213      
10 H 0.219      
11 H 0.229      
12 H 0.229      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.607 1.031 0.000 1.197
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.430 -2.662 0.000
y -2.662 -32.914 0.000
z 0.000 0.000 -38.243
Traceless
 xyz
x 4.148 -2.662 0.000
y -2.662 1.923 0.000
z 0.000 0.000 -6.071
Polar
3z2-r2-12.142
x2-y21.484
xy-2.662
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.714 -0.130 0.000
y -0.130 8.682 0.000
z 0.000 0.000 3.248


<r2> (average value of r2) Å2
<r2> 144.365
(<r2>)1/2 12.015