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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-268.557340
Energy at 298.15K-268.563912
HF Energy-267.672322
Nuclear repulsion energy221.143635
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' 3369 3148 0.79      
2 A' 3356 3136 0.77      
3 A' 3333 3115 1.05      
4 A' 3228 3016 15.58      
5 A' 3128 2923 27.55      
6 A' 1669 1559 0.38      
7 A' 1565 1462 7.23      
8 A' 1562 1459 13.27      
9 A' 1472 1376 0.73      
10 A' 1449 1354 5.61      
11 A' 1317 1230 1.99      
12 A' 1296 1211 1.22      
13 A' 1263 1180 26.18      
14 A' 1126 1052 10.01      
15 A' 1079 1009 22.29      
16 A' 1038 970 1.71      
17 A' 999 933 2.90      
18 A' 892 833 20.22      
19 A' 651 609 2.41      
20 A' 320 299 0.74      
21 A" 3214 3003 17.10      
22 A" 1544 1443 4.89      
23 A" 1091 1019 0.87      
24 A" 798 746 1.02      
25 A" 758 708 64.69      
26 A" 696 650 0.05      
27 A" 624 583 11.20      
28 A" 582 543 0.46      
29 A" 262 244 2.37      
30 A" 120 112 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 21899.2 cm-1
Scaled (by 0.9344) Zero Point Vibrational Energy (zpe) 20462.7 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
0.29773 0.11249 0.08289

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 -0.685 -1.468 0.000
C2 -1.079 -0.160 0.000
C3 0.679 -1.458 0.000
C4 0.000 0.679 0.000
C5 1.146 -0.177 0.000
C6 -0.018 2.173 0.000
H7 -2.141 0.009 0.000
H8 1.152 -2.422 0.000
H9 2.180 0.123 0.000
H10 -1.040 2.547 0.000
H11 0.484 2.573 0.879
H12 0.484 2.573 -0.879

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
O11.36541.36412.25372.24093.70122.07322.07093.27754.03074.29784.2978
C21.36542.18461.36702.22492.56291.07533.17733.27132.70793.26933.2693
C31.36412.18462.24221.36403.69703.17801.07452.18034.35834.13054.1305
C42.25371.36702.24221.43011.49382.24343.30862.24992.13802.14352.1435
C52.24092.22491.36401.43012.62203.29202.24591.07663.49232.96172.9617
C63.70122.56293.69701.49382.62203.03124.74193.00581.08801.08881.0888
H72.07321.07533.17802.24343.29203.03124.09334.32242.76703.77373.7737
H82.07093.17731.07453.30862.24594.74194.09332.74495.43165.11625.1162
H93.27753.27132.18032.24991.07663.00584.32242.74494.03063.10693.1069
H104.03072.70794.35832.13803.49231.08802.76705.43164.03061.75961.7596
H114.29783.26934.13052.14352.96171.08883.77375.11623.10691.75961.7579
H124.29783.26934.13052.14352.96171.08883.77375.11623.10691.75961.7579

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 111.137 O1 C2 H7 115.792
O1 C3 C5 110.454 O1 C3 H8 115.749
C2 O1 C3 106.333 C2 C4 C5 105.369
C2 C4 C6 127.180 C3 C5 C4 106.707
C3 C5 H9 126.185 C4 C2 H7 133.071
C4 C5 H9 127.107 C4 C6 H10 110.836
C4 C6 H11 111.230 C4 C6 H12 111.230
C5 C3 H8 133.797 C5 C4 C6 127.451
H10 C6 H11 107.867 H10 C6 H12 107.867
H11 C6 H12 107.654
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability