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

using model chemistry: MP2/LANL2DZ

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/LANL2DZ
 hartrees
Energy at 0K-268.124849
Energy at 298.15K-268.131273
HF Energy-267.574166
Nuclear repulsion energy215.407499
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/LANL2DZ
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' 3317 3195 1.49      
2 A' 3304 3182 1.39      
3 A' 3254 3134 2.77      
4 A' 3125 3009 26.18      
5 A' 3022 2910 38.90      
6 A' 1589 1531 0.95      
7 A' 1539 1482 9.10      
8 A' 1471 1417 2.82      
9 A' 1464 1410 14.42      
10 A' 1379 1328 7.85      
11 A' 1266 1219 0.14      
12 A' 1242 1196 0.24      
13 A' 1161 1118 31.18      
14 A' 1052 1014 7.87      
15 A' 1029 991 4.92      
16 A' 978 942 24.90      
17 A' 966 930 0.61      
18 A' 850 819 30.39      
19 A' 627 604 2.59      
20 A' 320 308 0.90      
21 A" 3112 2997 28.85      
22 A" 1525 1469 9.33      
23 A" 1097 1056 2.38      
24 A" 804 774 6.03      
25 A" 726 699 101.43      
26 A" 667 642 9.59      
27 A" 608 585 1.85      
28 A" 587 565 21.88      
29 A" 249 240 3.35      
30 A" 119 115 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 21223.0 cm-1
Scaled (by 0.9631) Zero Point Vibrational Energy (zpe) 20439.9 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 MP2/LANL2DZ
ABC
0.28073 0.10730 0.07880

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/LANL2DZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.725 -1.502 0.000
C2 -1.122 -0.133 0.000
C3 0.698 -1.505 0.000
C4 0.000 0.696 0.000
C5 1.169 -0.194 0.000
C6 0.015 2.220 0.000
H7 -2.192 0.039 0.000
H8 1.159 -2.486 0.000
H9 2.213 0.110 0.000
H10 -1.013 2.622 0.000
H11 0.535 2.611 0.893
H12 0.535 2.611 -0.893

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
O11.42551.42312.31472.30163.79542.12782.12583.35144.13444.39324.3932
C21.42552.27921.39472.29112.61351.08393.27713.34342.75733.32703.3270
C31.42312.27922.30951.39333.78783.27681.08372.21484.46824.21514.2151
C42.31471.39472.30951.46901.52432.28793.38672.28912.17622.17942.1794
C52.30162.29111.39331.46902.67563.36842.29211.08773.56233.01103.0110
C63.79542.61353.78781.52432.67563.10284.84343.04651.10401.10471.1047
H72.12781.08393.27682.28793.36843.10284.19614.40522.83913.85263.8526
H82.12583.27711.08373.38672.29214.84344.19612.80205.55095.21205.2120
H93.35143.34342.21482.28911.08773.04654.40522.80204.08843.14123.1412
H104.13442.75734.46822.17623.56231.10402.83915.55094.08841.78691.7869
H114.39323.32704.21512.17943.01101.10473.85265.21203.14121.78691.7870
H124.39323.32704.21512.17943.01101.10473.85265.21203.14121.78691.7870

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 110.317 O1 C2 H7 115.301
O1 C3 C5 109.607 O1 C3 H8 115.320
C2 O1 C3 106.283 C2 C4 C5 106.238
C2 C4 C6 127.046 C3 C5 C4 107.554
C3 C5 H9 125.982 C4 C2 H7 134.382
C4 C5 H9 126.464 C4 C6 H10 110.771
C4 C6 H11 110.983 C4 C6 H12 110.983
C5 C3 H8 135.073 C5 C4 C6 126.715
H10 C6 H11 108.007 H10 C6 H12 108.007
H11 C6 H12 107.962
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability