return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: BLYP/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A1
Energy calculated at BLYP/cc-pVTZ
 hartrees
Energy at 0K-386.325734
Energy at 298.15K-386.339258
HF Energy-386.325734
Nuclear repulsion energy366.450690
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 BLYP/cc-pVTZ
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 3587 3576 33.32      
2 A 3010 3001 43.88      
3 A 3004 2995 88.06      
4 A 2997 2988 25.29      
5 A 2971 2962 1.74      
6 A 2965 2956 45.65      
7 A 2962 2953 16.88      
8 A 2952 2943 2.43      
9 A 2951 2942 42.27      
10 A 2938 2929 29.27      
11 A 2937 2928 4.37      
12 A 2921 2913 12.66      
13 A 1735 1730 233.84      
14 A 1481 1477 6.86      
15 A 1470 1465 1.92      
16 A 1466 1462 6.03      
17 A 1458 1454 0.69      
18 A 1453 1448 0.33      
19 A 1426 1422 14.53      
20 A 1380 1376 0.69      
21 A 1363 1359 18.79      
22 A 1355 1351 1.21      
23 A 1322 1318 28.32      
24 A 1305 1301 0.53      
25 A 1300 1296 0.17      
26 A 1274 1270 1.91      
27 A 1264 1260 0.03      
28 A 1237 1233 3.25      
29 A 1198 1195 0.06      
30 A 1109 1106 0.59      
31 A 1108 1105 74.42      
32 A 1066 1063 193.00      
33 A 1023 1020 0.51      
34 A 1014 1011 34.79      
35 A 973 970 21.44      
36 A 955 952 0.16      
37 A 885 883 1.88      
38 A 837 834 3.77      
39 A 828 825 2.43      
40 A 749 747 1.84      
41 A 717 715 7.98      
42 A 638 636 70.92      
43 A 608 606 18.69      
44 A 506 505 23.15      
45 A 491 489 20.97      
46 A 394 393 0.84      
47 A 293 292 1.43      
48 A 236 235 0.01      
49 A 219 218 1.87      
50 A 135 135 0.02      
51 A 117 116 0.15      
52 A 95 95 0.91      
53 A 57 57 0.08      
54 A 39 38 0.30      

Unscaled Zero Point Vibrational Energy (zpe) 37386.6 cm-1
Scaled (by 0.997) Zero Point Vibrational Energy (zpe) 37274.4 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 BLYP/cc-pVTZ
ABC
0.24311 0.02119 0.01985

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/cc-pVTZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 4.109 -0.224 0.000
C2 2.763 0.522 -0.000
C3 1.541 -0.417 0.000
C4 0.194 0.330 -0.000
C5 -1.012 -0.621 0.000
C6 -2.356 0.091 -0.000
O7 -3.395 -0.813 0.000
O8 -2.540 1.292 -0.000
H9 4.954 0.476 -0.000
H10 4.208 -0.866 0.886
H11 4.208 -0.866 -0.886
H12 2.710 1.182 -0.879
H13 2.710 1.183 0.879
H14 1.594 -1.078 0.880
H15 1.594 -1.078 -0.879
H16 0.134 0.990 -0.876
H17 0.133 0.990 0.876
H18 -0.992 -1.289 0.874
H19 -0.992 -1.289 -0.874
H20 -4.215 -0.278 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
C11.53932.57473.95365.13656.47217.52686.81981.09721.09831.09832.16962.16962.79762.79764.24804.24805.28365.28378.3244
C21.53931.54112.57573.94455.13676.30095.35862.19132.19112.19111.10031.10032.16852.16852.81072.81074.25974.25977.0241
C32.57471.54111.54042.56183.92994.95214.42513.52722.84562.84562.16742.16741.10181.10182.17472.17472.81822.81825.7584
C43.95362.57571.54041.53642.56123.76702.89884.76154.28084.28082.79802.79802.17202.17201.09841.09842.18932.18934.4516
C55.13653.94452.56181.53641.51992.39022.44816.06605.30085.30074.22884.22882.78892.78892.16212.16211.10021.10023.2212
C66.47215.13673.92992.56121.51991.37741.21577.31946.69196.69195.25635.25634.21214.21212.78782.78782.12732.12731.8961
O77.52686.30094.95213.76702.39021.37742.27248.44757.65457.65456.48306.48305.07295.07304.05824.05812.60042.60050.9794
O86.81985.35864.42512.89882.44811.21572.27247.53837.14017.14015.32485.32474.84634.84642.82992.82973.13393.13412.2965
H91.09722.19133.52724.76156.06607.31948.44757.53831.77211.77212.51092.51093.80463.80464.92614.92616.26346.26349.2000
H101.09832.19112.84564.28085.30086.69197.65457.14011.77211.77203.09082.53742.62253.16154.81154.47725.21745.50628.4902
H111.09832.19112.84564.28085.30076.69197.65457.14011.77211.77202.53743.09083.16152.62254.47724.81155.50625.21748.4902
H122.16961.10032.16742.79804.22885.25636.48305.32482.51093.09082.53741.75783.07402.52132.58413.12384.78424.45167.1326
H132.16961.10032.16742.79804.22885.25636.48305.32472.51092.53743.09081.75782.52133.07403.12382.58414.45164.78427.1325
H142.79762.16851.10182.17202.78894.21215.07294.84633.80462.62253.16153.07402.52131.75953.08132.53202.59503.13195.9299
H152.79762.16851.10182.17202.78894.21215.07304.84643.80463.16152.62252.52133.07401.75952.53203.08133.13192.59505.9300
H164.24802.81072.17471.09842.16212.78784.05822.82994.92614.81154.47722.58413.12383.08132.53201.75253.08582.54164.6141
H174.24802.81072.17471.09842.16212.78784.05812.82974.92614.47724.81153.12382.58412.53203.08131.75252.54163.08584.6140
H185.28364.25972.81822.18931.10022.12732.60043.13396.26345.21745.50624.78424.45162.59503.13193.08582.54161.74753.4889
H195.28374.25972.81822.18931.10022.12732.60053.13416.26345.50625.21744.45164.78423.13192.59502.54163.08581.74753.4890
H208.32447.02415.75844.45163.22121.89610.97942.29659.20008.49028.49027.13267.13255.92995.93004.61414.61403.48893.4890

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 113.406 C1 C2 H12 109.432
C1 C2 H13 109.432 C2 C1 H9 111.332
C2 C1 H10 111.245 C2 C1 H11 111.245
C2 C3 C4 113.408 C2 C3 H14 109.141
C2 C3 H15 109.141 C3 C2 H12 109.140
C3 C2 H13 109.140 C3 C4 C5 112.739
C3 C4 H16 109.865 C3 C4 H17 109.865
C4 C3 H14 109.458 C4 C3 H15 109.458
C4 C5 C6 113.859 C4 C5 H18 111.192
C4 C5 H19 111.192 C5 C4 H16 109.154
C5 C4 H17 109.155 C5 C6 O7 111.077
C5 C6 O8 126.637 C6 C5 H18 107.486
C6 C5 H19 107.486 C6 O7 H20 105.886
O7 C6 O8 122.286 H9 C1 H10 107.641
H9 C1 H11 107.641 H10 C1 H11 107.546
H12 C2 H13 106.024 H14 C3 H15 105.966
H16 C4 H17 105.824 H18 C5 H19 105.160
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.286      
2 C -0.127      
3 C -0.120      
4 C -0.114      
5 C -0.196      
6 C 0.260      
7 O -0.252      
8 O -0.279      
9 H 0.090      
10 H 0.083      
11 H 0.083      
12 H 0.075      
13 H 0.075      
14 H 0.067      
15 H 0.067      
16 H 0.082      
17 H 0.082      
18 H 0.104      
19 H 0.104      
20 H 0.202      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.395 -1.365 0.000 1.422
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -47.687 3.029 -0.001
y 3.029 -55.980 0.001
z -0.001 0.001 -49.858
Traceless
 xyz
x 5.232 3.029 -0.001
y 3.029 -7.208 0.001
z -0.001 0.001 1.976
Polar
3z2-r23.952
x2-y28.294
xy3.029
xz-0.001
yz0.001


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 15.727 0.056 0.000
y 0.056 11.598 -0.000
z 0.000 -0.000 9.601


<r2> (average value of r2) Å2
<r2> 520.890
(<r2>)1/2 22.823