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

using model chemistry: CCSD(T)=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 CCSD(T)=FULL/6-31G*
 hartrees
Energy at 0K-268.577379
Energy at 298.15K-268.583868
HF Energy-267.660690
Nuclear repulsion energy220.201235
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 CCSD(T)=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' 3291 3194        
2 A' 3279 3183        
3 A' 3250 3154        
4 A' 3130 3039        
5 A' 3049 2960        
6 A' 1673 1624        
7 A' 1567 1521        
8 A' 1544 1498        
9 A' 1463 1421        
10 A' 1433 1391        
11 A' 1299 1261        
12 A' 1283 1246        
13 A' 1227 1192        
14 A' 1111 1078        
15 A' 1062 1031        
16 A' 1031 1001        
17 A' 983 954        
18 A' 887 861        
19 A' 644 625        
20 A' 317 308        
21 A" 3115 3023        
22 A" 1527 1482        
23 A" 1080 1048        
24 A" 777 754        
25 A" 747 725        
26 A" 692 672        
27 A" 604 587        
28 A" 576 559        
29 A" 258 250        
30 A" 118 114        

Unscaled Zero Point Vibrational Energy (zpe) 21507.7 cm-1
Scaled (by 0.9707) Zero Point Vibrational Energy (zpe) 20877.5 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 CCSD(T)=FULL/6-31G*
ABC
0.29499 0.11161 0.08222

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.701 -1.468 0.000
C2 -1.083 -0.149 0.000
C3 0.669 -1.467 0.000
C4 0.000 0.681 0.000
C5 1.150 -0.193 0.000
C6 0.001 2.182 0.000
H7 -2.152 0.029 0.000
H8 1.137 -2.444 0.000
H9 2.195 0.103 0.000
H10 -1.024 2.572 0.000
H11 0.514 2.579 0.886
H12 0.514 2.579 -0.886

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
O11.37321.37012.26062.24803.71662.08422.08113.29444.05324.31764.3176
C21.37322.19241.36442.23362.57041.08373.19283.28722.72193.28303.2830
C31.37012.19242.24991.36213.70933.19281.08302.18924.37994.14494.1449
C42.26061.36442.24991.44461.50062.24883.32522.26962.15072.15702.1570
C52.24802.23361.36211.44462.63783.30962.25081.08553.51772.97882.9788
C63.71662.57043.70931.50062.63783.04524.76263.02191.09741.09851.0985
H72.08421.08373.19282.24883.30963.04524.11444.34732.78283.79483.7948
H82.08113.19281.08303.32522.25084.76264.11442.75735.46175.13815.1381
H93.29443.28722.18922.26961.08553.02194.34732.75734.05693.12103.1210
H104.05322.72194.37992.15073.51771.09742.78285.46174.05691.77551.7755
H114.31763.28304.14492.15702.97881.09853.79485.13813.12101.77551.7727
H124.31763.28304.14492.15702.97881.09853.79485.13813.12101.77551.7727

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 111.328 O1 C2 H7 115.555
O1 C3 C5 110.731 O1 C3 H8 115.573
C2 O1 C3 106.101 C2 C4 C5 105.305
C2 C4 C6 127.522 C3 C5 C4 106.535
C3 C5 H9 126.500 C4 C2 H7 133.118
C4 C5 H9 126.965 C4 C6 H10 110.803
C4 C6 H11 111.236 C4 C6 H12 111.236
C5 C3 H8 133.696 C5 C4 C6 127.173
H10 C6 H11 107.912 H10 C6 H12 107.912
H11 C6 H12 107.587
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability