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: BLYP/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at BLYP/cc-pVTZ
 hartrees
Energy at 0K-269.336570
Energy at 298.15K-269.343063
HF Energy-269.336570
Nuclear repulsion energy219.652165
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 BLYP/cc-pVTZ
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' 3199 3190 0.85      
2 A' 3190 3181 1.29      
3 A' 3159 3150 2.91      
4 A' 3022 3013 20.80      
5 A' 2952 2943 37.60      
6 A' 1575 1571 1.94      
7 A' 1475 1470 10.73      
8 A' 1464 1459 6.12      
9 A' 1386 1382 0.32      
10 A' 1352 1348 3.58      
11 A' 1239 1235 1.47      
12 A' 1232 1228 2.94      
13 A' 1131 1127 14.00      
14 A' 1041 1038 9.62      
15 A' 1006 1003 23.26      
16 A' 989 986 4.54      
17 A' 949 946 1.66      
18 A' 862 859 23.15      
19 A' 622 620 2.06      
20 A' 313 312 0.89      
21 A" 2989 2980 21.30      
22 A" 1451 1447 5.35      
23 A" 1038 1035 1.28      
24 A" 818 816 1.94      
25 A" 746 744 58.32      
26 A" 690 688 4.75      
27 A" 609 608 1.82      
28 A" 600 599 16.38      
29 A" 256 256 2.83      
30 A" 127 127 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 20740.2 cm-1
Scaled (by 0.997) Zero Point Vibrational Energy (zpe) 20678.0 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 BLYP/cc-pVTZ
ABC
0.29380 0.11099 0.08179

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.704 -1.473 0.000
C2 -1.089 -0.146 0.000
C3 0.673 -1.473 0.000
C4 0.000 0.682 0.000
C5 1.149 -0.194 0.000
C6 0.005 2.186 0.000
H7 -2.155 0.032 0.000
H8 1.142 -2.446 0.000
H9 2.191 0.102 0.000
H10 -1.016 2.587 0.000
H11 0.521 2.586 0.884
H12 0.521 2.586 -0.884

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
O11.38171.37672.26692.25103.72722.09052.08713.29524.07164.33064.3306
C21.38172.20561.36782.23812.57581.08133.20483.28902.73363.29163.2916
C31.37672.20562.25761.36433.71983.20351.08092.18724.39684.15674.1567
C42.26691.36782.25761.44501.50432.25143.33062.26652.15852.16262.1626
C52.25102.23811.36431.44502.64143.31192.25221.08333.52412.98412.9841
C63.72722.57583.71981.50432.64143.05114.77053.02091.09601.09861.0986
H72.09051.08133.20352.25143.31193.05114.12504.34692.79803.80373.8037
H82.08713.20481.08093.33062.25224.77054.12502.75555.47645.14715.1471
H93.29523.28902.18722.26651.08333.02094.34692.75554.05683.12123.1212
H104.07162.73364.39682.15853.52411.09602.79805.47644.05681.77231.7723
H114.33063.29164.15672.16262.98411.09863.80375.14713.12121.77231.7673
H124.33063.29164.15672.16262.98411.09863.80375.14713.12121.77231.7673

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 111.072 O1 C2 H7 115.618
O1 C3 C5 110.415 O1 C3 H8 115.743
C2 O1 C3 106.181 C2 C4 C5 105.412
C2 C4 C6 127.427 C3 C5 C4 106.920
C3 C5 H9 126.273 C4 C2 H7 133.310
C4 C5 H9 126.807 C4 C6 H10 111.253
C4 C6 H11 111.418 C4 C6 H12 111.418
C5 C3 H8 133.842 C5 C4 C6 127.161
H10 C6 H11 107.726 H10 C6 H12 107.726
H11 C6 H12 107.092
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.161      
2 C -0.057      
3 C 0.008      
4 C 0.100      
5 C -0.173      
6 C -0.292      
7 H 0.103      
8 H 0.106      
9 H 0.090      
10 H 0.087      
11 H 0.095      
12 H 0.095      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.429 0.815 0.000 0.921
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.906 -1.990 0.000
y -1.990 -34.155 0.000
z 0.000 0.000 -38.239
Traceless
 xyz
x 3.291 -1.990 0.000
y -1.990 1.418 0.000
z 0.000 0.000 -4.709
Polar
3z2-r2-9.417
x2-y21.249
xy-1.990
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.498 -0.230 0.000
y -0.230 10.868 0.000
z 0.000 0.000 5.573


<r2> (average value of r2) Å2
<r2> 145.780
(<r2>)1/2 12.074