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

using model chemistry: MP3/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP3/6-31G*
 hartrees
Energy at 0K-268.505592
Energy at 298.15K-268.512193
HF Energy-267.662237
Nuclear repulsion energy220.956645
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 MP3/6-31G*
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' 3343 3137 1.24      
2 A' 3331 3126 1.30      
3 A' 3303 3101 1.38      
4 A' 3184 2988 16.96      
5 A' 3100 2910 25.25      
6 A' 1716 1611 0.53      
7 A' 1604 1506 18.36      
8 A' 1562 1466 6.64      
9 A' 1483 1392 2.88      
10 A' 1459 1369 3.93      
11 A' 1324 1243 3.97      
12 A' 1308 1227 1.05      
13 A' 1270 1192 28.74      
14 A' 1133 1063 10.13      
15 A' 1089 1022 34.84      
16 A' 1046 982 2.80      
17 A' 999 937 1.48      
18 A' 906 850 23.51      
19 A' 656 616 2.81      
20 A' 323 303 0.91      
21 A" 3168 2973 18.34      
22 A" 1543 1448 6.30      
23 A" 1093 1026 1.18      
24 A" 805 756 1.70      
25 A" 767 720 62.58      
26 A" 720 676 0.32      
27 A" 616 579 18.46      
28 A" 589 553 0.82      
29 A" 262 246 2.41      
30 A" 128 120 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 21914.5 cm-1
Scaled (by 0.9386) Zero Point Vibrational Energy (zpe) 20568.9 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 MP3/6-31G*
ABC
0.29711 0.11225 0.08273

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.698 -1.460 0.000
C2 -1.079 -0.148 0.000
C3 0.664 -1.464 0.000
C4 0.000 0.678 0.000
C5 1.148 -0.196 0.000
C6 0.001 2.177 0.000
H7 -2.144 0.031 0.000
H8 1.131 -2.437 0.000
H9 2.189 0.095 0.000
H10 -1.021 2.566 0.000
H11 0.513 2.573 0.884
H12 0.513 2.573 -0.884

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
O11.36611.36262.24972.23753.70432.07692.07373.28014.03944.30304.3030
C21.36612.18371.35892.22692.56401.08003.18133.27712.71503.27393.2739
C31.36262.18372.24271.35673.70103.18111.07932.18104.36824.13524.1352
C42.24971.35892.24271.44281.49912.23923.31422.26562.14642.15272.1527
C52.23752.22691.35671.44282.63593.29922.24101.08163.51202.97532.9753
C63.70432.56403.70101.49912.63593.03424.75073.02041.09381.09501.0950
H72.07691.08003.18112.23923.29923.03424.10064.33342.77243.78123.7812
H82.07373.18131.07933.31422.24104.75074.10062.74475.44645.12495.1249
H93.28013.27712.18102.26561.08163.02044.33342.74474.05123.11953.1195
H104.03942.71504.36822.14643.51201.09382.77245.44644.05121.77011.7701
H114.30303.27394.13522.15272.97531.09503.78125.12493.11951.77011.7673
H124.30303.27394.13522.15272.97531.09503.78125.12493.11951.77011.7673

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 111.293 O1 C2 H7 115.727
O1 C3 C5 110.729 O1 C3 H8 115.761
C2 O1 C3 106.310 C2 C4 C5 105.241
C2 C4 C6 127.501 C3 C5 C4 106.427
C3 C5 H9 126.507 C4 C2 H7 132.980
C4 C5 H9 127.067 C4 C6 H10 110.781
C4 C6 H11 111.208 C4 C6 H12 111.208
C5 C3 H8 133.510 C5 C4 C6 127.258
H10 C6 H11 107.943 H10 C6 H12 107.943
H11 C6 H12 107.606
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability