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

using model chemistry: CCSD(T)=FULL/cc-pVDZ

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/cc-pVDZ
 hartrees
Energy at 0K-268.625629
Energy at 298.15K-268.632197
HF Energy-267.681398
Nuclear repulsion energy219.225193
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/cc-pVDZ
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' 3297 3175        
2 A' 3286 3165        
3 A' 3260 3140        
4 A' 3140 3024        
5 A' 3048 2936        
6 A' 1655 1594        
7 A' 1551 1494        
8 A' 1492 1437        
9 A' 1422 1370        
10 A' 1406 1354        
11 A' 1285 1238        
12 A' 1255 1209        
13 A' 1210 1165        
14 A' 1092 1052        
15 A' 1049 1010        
16 A' 1009 972        
17 A' 969 934        
18 A' 882 849        
19 A' 639 615        
20 A' 310 299        
21 A" 3122 3007        
22 A" 1476 1421        
23 A" 1055 1016        
24 A" 824 793        
25 A" 771 743        
26 A" 723 696        
27 A" 607 585        
28 A" 599 577        
29 A" 260 251        
30 A" 125 120        

Unscaled Zero Point Vibrational Energy (zpe) 21407.8 cm-1
Scaled (by 0.9632) Zero Point Vibrational Energy (zpe) 20620.0 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 CCSD(T)=FULL/cc-pVDZ
ABC
0.29277 0.11045 0.08144

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)=FULL/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.697 -1.476 0.000
C2 -1.084 -0.160 0.000
C3 0.672 -1.472 0.000
C4 0.000 0.687 0.000
C5 1.160 -0.188 0.000
C6 -0.012 2.194 0.000
H7 -2.159 0.018 0.000
H8 1.149 -2.452 0.000
H9 2.212 0.106 0.000
H10 -1.047 2.579 0.000
H11 0.502 2.597 0.892
H12 0.502 2.597 -0.892

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
O11.37221.36842.27292.26023.73332.09122.08773.31114.07084.33864.3386
C21.37222.19171.37552.24422.58611.09013.19973.30622.73953.30303.3030
C31.36842.19172.26111.37403.72893.19921.08972.20524.40074.16904.1690
C42.27291.37552.26111.45311.50662.26043.34242.28652.16252.16682.1668
C52.26022.24421.37401.45312.65433.32582.26371.09183.53952.99732.9973
C63.73332.58613.72891.50662.65433.05654.78813.04971.10431.10571.1057
H72.09121.09013.19922.26043.32583.05654.12884.37172.79223.81123.8112
H82.08773.19971.08973.34242.26374.78814.12882.76985.48935.16735.1673
H93.31113.30622.20522.28651.09183.04974.37172.76984.09043.14983.1498
H104.07082.73954.40072.16253.53951.10432.79225.48934.09041.78721.7872
H114.33863.30304.16902.16682.99731.10573.81125.16733.14981.78721.7843
H124.33863.30304.16902.16682.99731.10573.81125.16733.14981.78721.7843

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 111.618 O1 C2 H7 115.801
O1 C3 C5 111.012 O1 C3 H8 115.814
C2 O1 C3 106.205 C2 C4 C5 104.976
C2 C4 C6 127.548 C3 C5 C4 106.190
C3 C5 H9 126.466 C4 C2 H7 132.581
C4 C5 H9 127.344 C4 C6 H10 110.902
C4 C6 H11 111.159 C4 C6 H12 111.159
C5 C3 H8 133.175 C5 C4 C6 127.476
H10 C6 H11 107.942 H10 C6 H12 107.942
H11 C6 H12 107.584
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability