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All results from a given calculation for C5H8O (Furan, 2,3-dihydro-5-methyl-)

using model chemistry: B3LYP/CEP-121G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B3LYP/CEP-121G
 hartrees
Energy at 0K-48.949735
Energy at 298.15K-48.958739
Nuclear repulsion energy126.548067
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/CEP-121G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A 3212 3130 8.98      
2 A 3107 3028 26.10      
3 A 3101 3022 55.07      
4 A 3069 2991 24.99      
5 A 3036 2958 73.38      
6 A 3021 2944 30.82      
7 A 2998 2922 35.56      
8 A 2984 2908 70.48      
9 A 1698 1655 47.98      
10 A 1533 1494 0.79      
11 A 1517 1479 1.02      
12 A 1510 1472 9.55      
13 A 1494 1456 10.87      
14 A 1439 1402 10.20      
15 A 1381 1346 5.22      
16 A 1318 1285 5.61      
17 A 1262 1229 37.39      
18 A 1238 1206 4.30      
19 A 1197 1166 39.89      
20 A 1187 1156 16.16      
21 A 1090 1063 1.24      
22 A 1075 1047 3.58      
23 A 1041 1015 5.83      
24 A 1011 986 18.02      
25 A 946 922 46.73      
26 A 917 894 20.71      
27 A 868 845 25.65      
28 A 837 816 6.29      
29 A 751 732 38.54      
30 A 704 686 1.32      
31 A 614 599 1.38      
32 A 530 516 0.69      
33 A 324 316 3.06      
34 A 221 215 10.27      
35 A 158 154 2.35      
36 A 65 64 2.43      

Unscaled Zero Point Vibrational Energy (zpe) 26226.4 cm-1
Scaled (by 0.9745) Zero Point Vibrational Energy (zpe) 25557.6 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/CEP-121G
ABC
0.24325 0.10458 0.07640

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-121G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.421 -0.815 0.056
H2 -1.927 -1.357 -0.748
H3 -1.755 -1.202 1.027
O4 0.041 -1.120 -0.059
C5 -1.558 0.743 -0.043
H6 -2.169 1.146 0.776
H7 -2.033 1.054 -0.987
C8 -0.095 1.196 0.031
H9 0.225 2.231 0.061
C10 2.233 -0.003 0.006
H11 2.576 -0.526 -0.897
H12 2.702 0.985 0.042
H13 2.568 -0.589 0.872
C14 0.733 0.123 0.002

Atom - Atom Distances (Å)
  C1 H2 H3 O4 C5 H6 H7 C8 H9 C10 H11 H12 H13 C14
C11.09401.09691.49821.56762.21902.22592.40953.46273.74344.11944.49974.07842.3508
H21.09401.79012.09872.24642.94102.42543.23804.26194.43914.58145.24834.83973.1357
H31.09691.79012.10032.22902.39773.03653.08214.07914.28734.78685.06184.36932.9999
O41.49822.09872.10032.45523.27373.14412.32203.35802.46062.73493.39492.74501.4244
C51.56762.24642.22902.45521.09871.10071.53302.32453.86354.40774.26794.43152.3738
H62.21902.94102.39773.27371.09871.77012.20442.72424.61415.30194.92915.04633.1732
H72.22592.42543.03653.14411.10071.77012.19302.75344.50494.87274.84595.22703.0809
C82.40953.23803.08212.32201.53302.20442.19301.08352.61873.31092.80553.31491.3558
H93.46274.26194.07913.35802.32452.72422.75341.08353.00393.74762.77273.75502.1686
C103.74344.43914.28732.46063.86354.61414.50492.61873.00391.09821.09501.09811.5047
H114.11944.58144.78682.73494.40775.30194.87273.31093.74761.09821.78401.76942.1505
H124.49975.24835.06183.39494.26794.92914.84592.80552.77271.09501.78401.78452.1499
H134.07844.83974.36932.74504.43155.04635.22703.31493.75501.09811.76941.78452.1523
C142.35083.13572.99991.42442.37383.17323.08091.35582.16861.50472.15052.14992.1523

picture of Furan, 2,3-dihydro-5-methyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O4 C14 107.071 C1 C5 H6 111.449
C1 C5 H7 111.871 C1 C5 C8 101.986
H2 C1 H3 109.589 H2 C1 O4 107.087
H2 C1 C5 113.944 H3 C1 O4 107.052
H3 C1 C5 112.355 O4 C1 C5 106.396
O4 C14 C8 113.251 O4 C14 C10 114.264
C5 C8 H9 124.452 C5 C8 C14 110.367
H6 C5 H7 107.181 H6 C5 C8 112.734
H7 C5 C8 111.693 C8 C14 C10 132.481
H9 C8 C14 125.137 H11 C10 H12 108.866
H11 C10 H13 107.344 H11 C10 C14 110.446
H12 C10 H13 108.919 H12 C10 C14 110.588
H13 C10 C14 110.594
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-121G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.135      
2 H 0.152      
3 H 0.149      
4 O -0.256      
5 C -0.372      
6 H 0.144      
7 H 0.146      
8 C -0.131      
9 H 0.183      
10 C -0.653      
11 H 0.171      
12 H 0.166      
13 H 0.170      
14 C 0.265      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.652 1.142 0.111 1.320
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.612 1.467 -0.008
y 1.467 -38.827 -0.199
z -0.008 -0.199 -37.790
Traceless
 xyz
x 6.696 1.467 -0.008
y 1.467 -4.126 -0.199
z -0.008 -0.199 -2.570
Polar
3z2-r2-5.140
x2-y27.215
xy1.467
xz-0.008
yz-0.199


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.533 -0.642 0.001
y -0.642 9.109 0.001
z 0.001 0.001 6.423


<r2> (average value of r2) Å2
<r2> 133.937
(<r2>)1/2 11.573