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All results from a given calculation for C6H12O2 (Hexanoic acid)

using model chemistry: B3LYP/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A1
Energy calculated at B3LYP/6-31G
 hartrees
Energy at 0K-386.223318
Energy at 298.15K-386.237084
HF Energy-386.223318
Nuclear repulsion energy366.664118
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
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 3608 3471 23.30      
2 A 3115 2997 45.40      
3 A 3110 2992 93.53      
4 A 3100 2982 27.54      
5 A 3074 2957 3.24      
6 A 3062 2945 17.53      
7 A 3052 2936 41.09      
8 A 3043 2928 2.29      
9 A 3036 2921 37.54      
10 A 3035 2920 3.82      
11 A 3025 2910 36.65      
12 A 3008 2894 14.22      
13 A 1750 1684 204.95      
14 A 1559 1500 8.56      
15 A 1547 1488 2.28      
16 A 1545 1486 7.92      
17 A 1538 1480 1.22      
18 A 1534 1476 0.58      
19 A 1507 1450 20.58      
20 A 1460 1405 2.90      
21 A 1433 1379 31.87      
22 A 1419 1366 0.73      
23 A 1391 1338 36.22      
24 A 1358 1306 0.67      
25 A 1351 1300 0.03      
26 A 1337 1286 13.71      
27 A 1319 1269 0.08      
28 A 1296 1247 0.25      
29 A 1259 1211 0.00      
30 A 1169 1124 1.13      
31 A 1161 1117 58.82      
32 A 1117 1075 185.66      
33 A 1085 1043 0.90      
34 A 1071 1030 50.99      
35 A 1023 984 33.72      
36 A 1006 968 0.16      
37 A 934 899 0.81      
38 A 883 849 5.45      
39 A 873 840 0.55      
40 A 789 759 1.35      
41 A 754 725 10.74      
42 A 663 638 143.02      
43 A 624 601 22.99      
44 A 531 510 26.43      
45 A 509 490 29.04      
46 A 411 395 1.19      
47 A 306 294 2.37      
48 A 241 232 0.01      
49 A 229 220 2.09      
50 A 137 132 0.02      
51 A 116 112 0.22      
52 A 99 95 0.93      
53 A 59 57 0.09      
54 A 38 37 0.18      

Unscaled Zero Point Vibrational Energy (zpe) 38849.1 cm-1
Scaled (by 0.962) Zero Point Vibrational Energy (zpe) 37372.8 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
ABC
0.24098 0.02135 0.01998

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 4.094 -0.224 0.000
C2 2.751 0.523 -0.000
C3 1.535 -0.421 0.000
C4 0.191 0.328 -0.000
C5 -1.010 -0.626 0.000
C6 -2.336 0.087 -0.000
O7 -3.390 -0.809 0.000
O8 -2.521 1.307 -0.000
H9 4.939 0.473 0.000
H10 4.189 -0.865 0.886
H11 4.189 -0.865 -0.885
H12 2.697 1.181 -0.880
H13 2.697 1.182 0.879
H14 1.589 -1.080 0.881
H15 1.590 -1.080 -0.880
H16 0.131 0.986 -0.876
H17 0.131 0.987 0.876
H18 -0.987 -1.291 0.875
H19 -0.987 -1.291 -0.874
H20 -4.244 -0.323 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 O7 O8 H9 H10 H11 H12 H13 H14 H15 H16 H17 H18 H19 H20
C11.53692.56633.94175.12016.43777.50716.78961.09601.09731.09732.16872.16872.78922.78924.23554.23555.26475.26478.3386
C21.53691.53962.56773.93335.10636.28455.32992.18862.18622.18621.09981.09982.16702.16702.80152.80154.24634.24637.0464
C32.56631.53961.53842.55393.90464.94084.40853.51952.83272.83272.16562.16561.10121.10122.17252.17252.80772.80775.7801
C43.94172.56771.53841.53382.53883.75752.88324.75044.26504.26502.78932.78932.17062.17061.09791.09792.18472.18474.4827
C55.12013.93332.55391.53381.50512.38702.45276.05035.27975.27974.21684.21682.78222.78222.16092.16091.09911.09913.2478
C66.43775.10633.90462.53881.50511.38321.23407.28586.65356.65355.22515.22514.18894.18892.76852.76852.11752.11751.9514
O77.50716.28454.94083.75752.38701.38322.28758.42787.63117.63116.46436.46425.06425.06424.04864.04852.60262.60270.9821
O86.78965.32994.40852.88322.45271.23402.28757.50647.10787.10795.29245.29234.83364.83372.81112.81093.14103.14122.3722
H91.09602.18863.51954.75046.05037.28588.42787.50641.77171.77172.51102.51103.79603.79604.91444.91446.24476.24489.2178
H101.09732.18622.83274.26505.27976.65357.63117.10781.77171.77153.08752.53312.60843.15014.79594.46055.19335.48358.4966
H111.09732.18622.83274.26505.27976.65357.63117.10791.77171.77152.53313.08753.15012.60844.46054.79595.48345.19338.4967
H122.16871.09982.16562.78934.21685.22516.46435.29242.51103.08752.53311.75893.07212.51802.57313.11504.77064.43657.1562
H132.16871.09982.16562.78934.21685.22516.46425.29232.51102.53313.08751.75892.51803.07213.11502.57314.43654.77067.1562
H142.78922.16701.10122.17062.78224.18895.06424.83363.79602.60843.15013.07212.51801.76083.07942.52932.58493.12435.9478
H152.78922.16701.10122.17062.78224.18895.06424.83373.79603.15012.60842.51803.07211.76082.52933.07943.12432.58495.9479
H164.23552.80152.17251.09792.16092.76854.04862.81114.91444.79594.46052.57313.11503.07942.52931.75253.08252.53714.6502
H174.23552.80152.17251.09792.16092.76854.04852.81094.91444.46054.79593.11502.57312.52933.07941.75252.53713.08254.6501
H185.26474.24632.80772.18471.09912.11752.60263.14106.24475.19335.48344.77064.43652.58493.12433.08252.53711.74893.5086
H195.26474.24632.80772.18471.09912.11752.60273.14126.24485.48355.19334.43654.77063.12432.58492.53713.08251.74893.5087
H208.33867.04645.78014.48273.24781.95140.98212.37229.21788.49668.49677.15627.15625.94785.94794.65024.65013.50863.5087

picture of Hexanoic acid state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 113.059 C1 C2 H12 109.553
C1 C2 H13 109.553 C2 C1 H9 111.350
C2 C1 H10 111.085 C2 C1 H11 111.085
C2 C3 C4 113.067 C2 C3 H14 109.162
C2 C3 H15 109.162 C3 C2 H12 109.128
C3 C2 H13 109.128 C3 C4 C5 112.459
C3 C4 H16 109.865 C3 C4 H17 109.865
C4 C3 H14 109.526 C4 C3 H15 109.526
C4 C5 C6 113.319 C4 C5 H18 111.071
C4 C5 H19 111.072 C5 C4 H16 109.270
C5 C4 H17 109.270 C5 C6 O7 111.397
C5 C6 O8 126.846 C6 C5 H18 107.783
C6 C5 H19 107.783 C6 O7 H20 110.015
O7 C6 O8 121.757 H9 C1 H10 107.756
H9 C1 H11 107.756 H10 C1 H11 107.638
H12 C2 H13 106.186 H14 C3 H15 106.163
H16 C4 H17 105.896 H18 C5 H19 105.429
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.406      
2 C -0.238      
3 C -0.238      
4 C -0.231      
5 C -0.309      
6 C 0.483      
7 O -0.560      
8 O -0.416      
9 H 0.132      
10 H 0.132      
11 H 0.132      
12 H 0.127      
13 H 0.127      
14 H 0.121      
15 H 0.121      
16 H 0.145      
17 H 0.145      
18 H 0.176      
19 H 0.176      
20 H 0.382      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.373 -1.397 0.000 1.446
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -45.309 2.630 -0.001
y 2.630 -55.936 0.001
z -0.001 0.001 -49.024
Traceless
 xyz
x 7.171 2.630 -0.001
y 2.630 -8.769 0.001
z -0.001 0.001 1.598
Polar
3z2-r23.196
x2-y210.627
xy2.630
xz-0.001
yz0.001


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 12.533 0.085 -0.000
y 0.085 9.866 -0.000
z -0.000 -0.000 7.942


<r2> (average value of r2) Å2
<r2> 517.275
(<r2>)1/2 22.744