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

using model chemistry: B3LYP/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3LYP/6-31G(2df,p)
 hartrees
Energy at 0K-269.361017
Energy at 298.15K-269.367644
HF Energy-269.361017
Nuclear repulsion energy221.237039
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 B3LYP/6-31G(2df,p)
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' 3283 3168 1.02      
2 A' 3272 3157 1.21      
3 A' 3247 3134 1.89      
4 A' 3110 3001 17.67      
5 A' 3029 2923 33.24      
6 A' 1644 1586 1.97      
7 A' 1539 1485 12.48      
8 A' 1499 1446 5.41      
9 A' 1421 1371 0.30      
10 A' 1400 1351 3.75      
11 A' 1283 1238 4.86      
12 A' 1269 1224 2.14      
13 A' 1205 1163 16.03      
14 A' 1099 1061 11.77      
15 A' 1059 1022 20.70      
16 A' 1016 981 5.19      
17 A' 975 941 1.35      
18 A' 892 861 22.57      
19 A' 643 620 2.16      
20 A' 316 305 0.89      
21 A" 3080 2972 19.86      
22 A" 1483 1431 4.62      
23 A" 1066 1028 1.76      
24 A" 829 800 4.93      
25 A" 778 751 45.92      
26 A" 733 707 1.40      
27 A" 630 608 3.13      
28 A" 622 600 10.89      
29 A" 267 257 2.05      
30 A" 132 127 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 21408.5 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 20659.2 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 B3LYP/6-31G(2df,p)
ABC
0.29831 0.11240 0.08290

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.693 -1.458 0.000
C2 -1.078 -0.152 0.000
C3 0.665 -1.463 0.000
C4 0.000 0.678 0.000
C5 1.146 -0.195 0.000
C6 -0.003 2.175 0.000
H7 -2.141 0.023 0.000
H8 1.129 -2.436 0.000
H9 2.185 0.099 0.000
H10 -1.024 2.568 0.000
H11 0.509 2.578 0.881
H12 0.509 2.578 -0.881

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
O11.36191.35792.24582.23153.69832.07182.06793.27224.03984.30274.3027
C21.36192.18061.35992.22382.56291.07793.17573.27192.72033.27803.2780
C31.35792.18062.24171.35683.69893.17531.07762.17944.37044.13904.1390
C42.24581.35992.24171.44011.49722.23893.31172.26012.14962.15552.1555
C52.23152.22381.35681.44012.63343.29422.24101.07943.51252.97802.9780
C63.69832.56293.69891.49722.63343.03324.74753.01621.09361.09591.0959
H72.07181.07793.17532.23893.29423.03324.09174.32652.77913.78493.7849
H82.06793.17571.07763.31172.24104.74754.09172.74525.44695.12795.1279
H93.27223.27192.17942.26011.07943.01624.32652.74524.04853.11943.1194
H104.03982.72034.37042.14963.51251.09362.77915.44694.04851.76791.7679
H114.30273.27804.13902.15552.97801.09593.78495.12793.11941.76791.7623
H124.30273.27804.13902.15552.97801.09593.78495.12793.11941.76791.7623

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