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

using model chemistry: MP2=FULL/6-311G*

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=FULL/6-311G*
 hartrees
Energy at 0K-268.695000
Energy at 298.15K-268.701511
HF Energy-267.715106
Nuclear repulsion energy221.036935
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=FULL/6-311G*
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' 3314 3139 0.83      
2 A' 3301 3126 0.96      
3 A' 3277 3104 1.16      
4 A' 3172 3004 16.25      
5 A' 3080 2917 28.27      
6 A' 1643 1556 1.10      
7 A' 1541 1460 4.55      
8 A' 1535 1454 18.32      
9 A' 1455 1378 4.04      
10 A' 1422 1346 4.75      
11 A' 1304 1235 1.75      
12 A' 1274 1207 2.66      
13 A' 1253 1186 25.26      
14 A' 1118 1059 19.05      
15 A' 1070 1014 19.53      
16 A' 1025 971 3.07      
17 A' 991 938 3.31      
18 A' 894 846 20.14      
19 A' 648 614 2.26      
20 A' 316 299 0.88      
21 A" 3158 2991 16.15      
22 A" 1522 1441 8.84      
23 A" 1069 1013 0.80      
24 A" 767 727 0.35      
25 A" 742 702 83.88      
26 A" 676 640 0.01      
27 A" 623 590 16.72      
28 A" 569 539 1.23      
29 A" 257 243 4.14      
30 A" 117 111 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 21565.7 cm-1
Scaled (by 0.9471) Zero Point Vibrational Energy (zpe) 20424.9 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=FULL/6-311G*
ABC
0.29794 0.11219 0.08276

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.694 -1.467 0.000
C2 -1.076 -0.163 0.000
C3 0.662 -1.460 0.000
C4 0.000 0.683 0.000
C5 1.150 -0.184 0.000
C6 -0.005 2.179 0.000
H7 -2.143 0.010 0.000
H8 1.134 -2.431 0.000
H9 2.190 0.113 0.000
H10 -1.026 2.566 0.000
H11 0.505 2.574 0.882
H12 0.505 2.574 -0.882

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
O11.35951.35522.25882.24643.71052.06932.06613.28854.04674.30644.3064
C21.35952.16851.36822.22632.57481.08073.16713.27802.72883.28123.2812
C31.35522.16852.24221.36643.69933.16621.08012.19354.36524.13224.1322
C42.25881.36822.24221.43981.49642.24603.31372.26302.14482.14732.1473
C52.24642.22631.36641.43982.62983.29872.24751.08173.50672.96652.9665
C63.71052.57483.69931.49642.62983.04554.74863.01431.09231.09301.0930
H72.06931.08073.16622.24603.29873.04554.08614.33442.78923.78993.7899
H82.06613.16711.08013.31372.24754.74864.08612.75505.44405.12115.1211
H93.28853.27802.19352.26301.08173.01434.33442.75504.04503.11043.1104
H104.04672.72884.36522.14483.50671.09232.78925.44404.04501.76721.7672
H114.30643.28124.13222.14732.96651.09303.78995.12113.11041.76721.7648
H124.30643.28124.13222.14732.96651.09303.78995.12113.11041.76721.7648

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 111.803 O1 C2 H7 115.523
O1 C3 C5 111.257 O1 C3 H8 115.622
C2 O1 C3 106.033 C2 C4 C5 104.870
C2 C4 C6 127.953 C3 C5 C4 106.037
C3 C5 H9 126.885 C4 C2 H7 132.675
C4 C5 H9 127.079 C4 C6 H10 110.938
C4 C6 H11 111.096 C4 C6 H12 111.096
C5 C3 H8 133.120 C5 C4 C6 127.176
H10 C6 H11 107.942 H10 C6 H12 107.942
H11 C6 H12 107.677
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability