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

using model chemistry: wB97X-D/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 wB97X-D/6-31G*
 hartrees
Energy at 0K-386.223005
Energy at 298.15K 
HF Energy-386.223005
Nuclear repulsion energy 
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 wB97X-D/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 3783 3588 60.49      
2 A 3151 2989 37.99      
3 A 3140 2979 70.21      
4 A 3132 2970 31.38      
5 A 3109 2949 1.30      
6 A 3099 2939 20.35      
7 A 3082 2923 36.45      
8 A 3072 2914 6.09      
9 A 3072 2914 2.98      
10 A 3066 2908 33.98      
11 A 3058 2900 32.63      
12 A 3039 2883 17.06      
13 A 1891 1793 264.11      
14 A 1537 1458 6.70      
15 A 1537 1458 7.89      
16 A 1528 1449 3.59      
17 A 1519 1440 0.46      
18 A 1516 1437 1.10      
19 A 1493 1416 18.13      
20 A 1469 1394 61.07      
21 A 1449 1375 3.01      
22 A 1442 1368 13.46      
23 A 1394 1322 30.63      
24 A 1361 1291 0.88      
25 A 1352 1283 0.08      
26 A 1342 1273 0.38      
27 A 1318 1250 0.07      
28 A 1287 1221 22.01      
29 A 1246 1182 0.03      
30 A 1202 1140 239.65      
31 A 1156 1097 1.44      
32 A 1150 1091 22.25      
33 A 1094 1038 2.85      
34 A 1088 1032 5.05      
35 A 1044 990 9.21      
36 A 994 943 0.55      
37 A 938 890 6.09      
38 A 889 844 2.80      
39 A 871 826 7.74      
40 A 773 733 6.01      
41 A 732 694 13.81      
42 A 681 645 96.11      
43 A 645 612 32.22      
44 A 527 499 21.43      
45 A 516 490 23.26      
46 A 413 392 1.18      
47 A 311 295 1.79      
48 A 238 226 0.04      
49 A 228 216 2.15      
50 A 132 125 0.03      
51 A 98 93 0.96      
52 A 98 93 0.05      
53 A 55 52 0.04      
54 A 52i 49i 0.38      

Unscaled Zero Point Vibrational Energy (zpe) 39150.8 cm-1
Scaled (by 0.9485) Zero Point Vibrational Energy (zpe) 37134.5 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 wB97X-D/6-31G*
ABC
0.24736 0.02168 0.02031

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 4.070 -0.219 0.000
C2 2.734 0.524 -0.000
C3 1.528 -0.417 -0.000
C4 0.190 0.323 -0.000
C5 -1.003 -0.628 -0.001
C6 -2.333 0.082 -0.001
O7 -3.367 -0.788 0.001
O8 -2.508 1.276 0.000
H9 4.915 0.478 0.000
H10 4.163 -0.859 0.885
H11 4.163 -0.859 -0.884
H12 2.679 1.181 -0.878
H13 2.679 1.182 0.878
H14 1.583 -1.075 0.879
H15 1.583 -1.076 -0.878
H16 0.127 0.980 -0.876
H17 0.127 0.981 0.874
H18 -0.981 -1.292 0.873
H19 -0.981 -1.292 -0.874
H20 -4.174 -0.247 0.002

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 O7 O8 H9 H10 H11 H12 H13 H14 H15 H16 H17 H18 H19 H20
C11.52822.54953.91745.08896.41017.45916.74571.09491.09611.09612.16012.16012.77322.77324.21304.21305.23675.23678.2437
C21.52821.52992.55213.91065.08696.24145.29612.18072.17662.17661.09801.09802.15812.15812.78782.78784.22654.22666.9511
C32.54951.52991.52902.53943.89334.90964.37683.50272.81462.81462.15632.15631.09961.09962.16362.16362.79702.79705.7044
C43.91742.55211.52901.52592.53493.72722.86154.72704.23864.23862.77512.77512.16092.16091.09621.09622.17802.17804.4010
C55.08893.91062.53941.52591.50822.37032.42756.01965.24605.24604.19524.19522.76722.76712.15192.15191.09741.09743.1941
C66.41015.08693.89332.53491.50821.35151.20697.25866.62356.62355.20595.20594.17714.17712.76172.76172.11662.11651.8697
O77.45916.24144.90963.72722.37031.35152.23588.37827.58257.58296.41976.41925.03575.03634.01374.01292.59052.59170.9713
O86.74575.29614.37682.86152.42751.20692.23587.46567.06007.06045.26205.26154.79964.80022.79292.79203.11263.11342.2567
H91.09492.18073.50274.72706.01967.25868.37827.46561.77041.77042.50282.50283.77953.77954.89274.89276.21696.21699.1172
H101.09612.17662.81464.23865.24606.62357.58257.06001.77041.76963.07792.52322.58933.13274.77194.43555.16205.45338.4058
H111.09612.17662.81464.23865.24606.62357.58297.06041.77041.76962.52323.07793.13272.58934.43554.77195.45325.16218.4064
H122.16011.09802.15632.77514.19525.20596.41975.26202.50283.07792.52321.75563.06292.50922.55973.10244.75174.41727.0552
H132.16011.09802.15632.77514.19525.20596.41925.26152.50282.52323.07791.75562.50923.06293.10242.55974.41724.75187.0545
H142.77322.15811.09962.16092.76724.17715.03574.79963.77952.58933.13273.06292.50921.75723.06982.51952.57273.11285.8817
H152.77322.15811.09962.16092.76714.17715.03634.80023.77953.13272.58932.50923.06291.75722.51953.06983.11272.57285.8826
H164.21302.78782.16361.09622.15192.76174.01372.79294.89274.77194.43552.55973.10243.06982.51951.75033.07412.52834.5580
H174.21302.78782.16361.09622.15192.76174.01292.79204.89274.43554.77193.10242.55972.51953.06981.75032.52833.07424.5568
H185.23674.22652.79702.17801.09742.11662.59053.11266.21695.16205.45324.75174.41722.57273.11273.07412.52831.74723.4708
H195.23674.22662.79702.17801.09742.11652.59173.11346.21695.45335.16214.41724.75183.11282.57282.52833.07421.74723.4723
H208.24376.95115.70444.40103.19411.86970.97132.25679.11728.40588.40647.05527.05455.88175.88264.55804.55683.47083.4723

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 112.956 C1 C2 H12 109.581
C1 C2 H13 109.581 C2 C1 H9 111.406
C2 C1 H10 110.999 C2 C1 H11 110.999
C2 C3 C4 113.093 C2 C3 H14 109.220
C2 C3 H15 109.220 C3 C2 H12 109.170
C3 C2 H13 109.170 C3 C4 C5 112.461
C3 C4 H16 109.908 C3 C4 H17 109.908
C4 C3 H14 109.498 C4 C3 H15 109.498
C4 C5 C6 113.329 C4 C5 H18 111.202
C4 C5 H19 111.205 C5 C4 H16 109.206
C5 C4 H17 109.208 C5 C6 O7 111.848
C5 C6 O8 126.419 C6 C5 H18 107.602
C6 C5 H19 107.593 C6 O7 H20 106.053
O7 C6 O8 121.733 H9 C1 H10 107.812
H9 C1 H11 107.813 H10 C1 H11 107.648
H12 C2 H13 106.155 H14 C3 H15 106.070
H16 C4 H17 105.937 H18 C5 H19 105.514
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.495      
2 C -0.295      
3 C -0.293      
4 C -0.295      
5 C -0.409      
6 C 0.595      
7 O -0.591      
8 O -0.472      
9 H 0.166      
10 H 0.160      
11 H 0.160      
12 H 0.155      
13 H 0.155      
14 H 0.147      
15 H 0.147      
16 H 0.172      
17 H 0.172      
18 H 0.197      
19 H 0.197      
20 H 0.427      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.211 -1.402 0.000 1.418
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -44.879 2.765 0.000
y 2.765 -54.372 0.001
z 0.000 0.001 -48.274
Traceless
 xyz
x 6.444 2.765 0.000
y 2.765 -7.796 0.001
z 0.000 0.001 1.351
Polar
3z2-r22.703
x2-y29.493
xy2.765
xz0.000
yz0.001


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 12.351 0.057 0.000
y 0.057 9.802 -0.000
z 0.000 -0.000 8.176


<r2> (average value of r2) Å2
<r2> 508.840
(<r2>)1/2 22.557