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

using model chemistry: MP2=FULL/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 MP2=FULL/6-31G*
 hartrees
Energy at 0K-268.508408
Energy at 298.15K-268.514942
HF Energy-267.661333
Nuclear repulsion energy220.945404
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 MP2=FULL/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' 3338 3145 0.62      
2 A' 3325 3133 0.56      
3 A' 3299 3108 0.95      
4 A' 3195 3011 14.22      
5 A' 3103 2924 24.82      
6 A' 1666 1570 0.59      
7 A' 1564 1474 4.56      
8 A' 1560 1469 16.09      
9 A' 1477 1392 1.45      
10 A' 1447 1363 5.92      
11 A' 1315 1239 1.35      
12 A' 1294 1219 1.04      
13 A' 1262 1190 28.03      
14 A' 1127 1062 10.45      
15 A' 1079 1017 24.07      
16 A' 1039 979 2.13      
17 A' 999 941 2.80      
18 A' 892 840 21.16      
19 A' 652 614 2.47      
20 A' 321 302 0.82      
21 A" 3183 2999 15.39      
22 A" 1547 1457 6.30      
23 A" 1092 1029 1.35      
24 A" 778 733 2.19      
25 A" 748 705 69.63      
26 A" 684 645 0.01      
27 A" 624 587 12.44      
28 A" 579 546 0.33      
29 A" 261 246 2.59      
30 A" 120 113 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 21783.9 cm-1
Scaled (by 0.9422) Zero Point Vibrational Energy (zpe) 20524.8 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 MP2=FULL/6-31G*
ABC
0.29724 0.11235 0.08279

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.687 -1.468 0.000
C2 -1.080 -0.159 0.000
C3 0.677 -1.459 0.000
C4 0.000 0.679 0.000
C5 1.146 -0.178 0.000
C6 -0.015 2.174 0.000
H7 -2.147 0.008 0.000
H8 1.150 -2.430 0.000
H9 2.185 0.123 0.000
H10 -1.041 2.552 0.000
H11 0.491 2.576 0.883
H12 0.491 2.576 -0.883

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
O11.36621.36452.25392.24073.70292.07602.07383.28304.03534.30314.3031
C21.36622.18571.36682.22542.56431.08053.18243.27682.71163.27503.2750
C31.36452.18572.24281.36373.69833.18291.07972.18534.36374.13474.1347
C42.25391.36682.24281.43091.49492.24943.31472.25462.14292.14912.1491
C52.24072.22541.36371.43092.62293.29802.25151.08213.49792.96552.9655
C63.70292.56433.69831.49492.62293.03894.74883.00771.09321.09401.0940
H72.07601.08053.18292.24943.29803.03894.10064.33362.77413.78553.7855
H82.07383.18241.07973.31472.25154.74884.10062.75455.44245.12565.1256
H93.28303.27682.18532.25461.08213.00774.33362.75454.03813.10933.1093
H104.03532.71164.36372.14293.49791.09322.77415.44244.03811.76771.7677
H114.30313.27504.13472.14912.96551.09403.78555.12563.10931.76771.7656
H124.30313.27504.13472.14912.96551.09403.78555.12563.10931.76771.7656

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 111.117 O1 C2 H7 115.613
O1 C3 C5 110.438 O1 C3 H8 115.600
C2 O1 C3 106.345 C2 C4 C5 105.372
C2 C4 C6 127.243 C3 C5 C4 106.728
C3 C5 H9 126.241 C4 C2 H7 133.270
C4 C5 H9 127.031 C4 C6 H10 110.828
C4 C6 H11 111.281 C4 C6 H12 111.281
C5 C3 H8 133.961 C5 C4 C6 127.385
H10 C6 H11 107.845 H10 C6 H12 107.845
H11 C6 H12 107.598
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability