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All results from a given calculation for C6H5COOH (benzoic acid)

using model chemistry: HF/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HF/6-31G*
 hartrees
Energy at 0K-418.325327
Energy at 298.15K-418.332905
HF Energy-418.325327
Nuclear repulsion energy408.075667
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 HF/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' 4062 3649 152.69      
2 A' 3414 3067 3.40      
3 A' 3411 3065 5.64      
4 A' 3388 3044 26.69      
5 A' 3377 3034 18.29      
6 A' 3362 3021 0.99      
7 A' 2010 1806 474.18      
8 A' 1809 1626 24.39      
9 A' 1785 1604 5.27      
10 A' 1670 1501 3.63      
11 A' 1617 1453 28.59      
12 A' 1520 1366 176.35      
13 A' 1471 1322 4.86      
14 A' 1358 1220 83.62      
15 A' 1336 1200 204.96      
16 A' 1298 1166 35.76      
17 A' 1236 1111 1.88      
18 A' 1217 1093 67.51      
19 A' 1182 1062 5.08      
20 A' 1126 1012 5.94      
21 A' 1093 982 0.11      
22 A' 841 755 19.37      
23 A' 695 625 66.01      
24 A' 676 608 0.09      
25 A' 536 481 4.91      
26 A' 411 369 6.13      
27 A' 234 210 1.70      
28 A" 1138 1022 0.00      
29 A" 1118 1005 0.05      
30 A" 1079 969 1.04      
31 A" 965 867 0.02      
32 A" 907 815 2.38      
33 A" 809 727 174.46      
34 A" 760 683 2.24      
35 A" 637 572 92.03      
36 A" 475 427 9.82      
37 A" 456 410 0.38      
38 A" 175 158 0.48      
39 A" 71 64 1.33      

Unscaled Zero Point Vibrational Energy (zpe) 27361.8 cm-1
Scaled (by 0.8985) Zero Point Vibrational Energy (zpe) 24584.6 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 HF/6-31G*
ABC
0.13203 0.04131 0.03147

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.218 0.000
C2 1.271 -0.347 0.000
C3 1.417 -1.721 0.000
C4 0.293 -2.535 0.000
C5 -0.975 -1.976 0.000
C6 -1.124 -0.600 0.000
C7 -0.106 1.700 0.000
O8 0.822 2.445 0.000
O9 -1.361 2.143 0.000
H10 2.128 0.299 0.000
H11 2.399 -2.157 0.000
H12 0.407 -3.605 0.000
H13 -1.844 -2.609 0.000
H14 -2.104 -0.163 0.000
H15 -1.332 3.095 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 C7 O8 O9 H10 H11 H12 H13 H14 H15
C11.39032.40152.76822.40051.39001.48662.37482.35812.12943.37593.84363.37482.13783.1705
C21.39031.38252.39662.77442.40812.46692.82783.62291.07322.13373.37043.84933.37934.3146
C32.40151.38251.38712.40522.77743.74544.20904.75942.14201.07482.13683.37913.85025.5453
C42.76822.39661.38711.38602.39874.25425.00844.96223.37602.13941.07552.13833.37265.8596
C52.40052.77442.40521.38601.38423.77774.77284.13743.84753.37902.13561.07492.13615.0834
C61.39002.40812.77742.39871.38422.51553.61432.75333.37393.85233.37212.13411.07283.7005
C71.48662.46693.74544.25423.77772.51551.19051.33082.63704.59995.32964.64662.73151.8565
O82.37482.82784.20905.00844.77283.61431.19052.20432.51204.86546.06415.71453.91972.2500
O92.35813.62294.75944.96224.13742.75331.33082.20433.94625.71276.01344.77682.42240.9520
H102.12941.07322.14203.37603.84753.37392.63702.51203.94622.47154.26624.92244.25664.4480
H113.37592.13371.07482.13943.37903.85234.59994.86545.71272.47152.46254.26684.92506.4425
H123.84363.37042.13681.07552.13563.37215.32966.06416.01344.26622.46252.46074.26026.9212
H133.37483.84933.37912.13831.07492.13414.64665.71454.77684.92244.26682.46072.46035.7268
H142.13783.37933.85023.37262.13611.07282.73153.91972.42244.25664.92504.26022.46033.3475
H153.17054.31465.54535.85965.08343.70051.85652.25000.95204.44806.44256.92125.72683.3475

picture of benzoic acid state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 120.013 C1 C2 H10 119.063
C1 C6 C5 119.836 C1 C6 H14 119.916
C1 C7 O8 124.650 C1 C7 O9 113.530
C2 C1 C6 120.031 C2 C1 C7 118.036
C2 C3 C4 119.843 C2 C3 H11 119.999
C3 C2 H10 120.924 C3 C4 C5 120.305
C3 C4 H12 119.860 C4 C3 H11 120.159
C4 C5 C6 119.972 C4 C5 H13 120.135
C5 C4 H12 119.835 C5 C6 H14 120.248
C6 C1 C7 121.933 C6 C5 H13 119.893
C7 O9 H15 107.677 O8 C7 O9 121.820
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.151      
2 C -0.172      
3 C -0.214      
4 C -0.179      
5 C -0.214      
6 C -0.174      
7 C 0.795      
8 O -0.571      
9 O -0.715      
10 H 0.250      
11 H 0.211      
12 H 0.211      
13 H 0.210      
14 H 0.243      
15 H 0.470      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.309 -1.714 0.000 2.157
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -48.423 -6.357 -0.012
y -6.357 -45.414 -0.008
z -0.012 -0.008 -54.151
Traceless
 xyz
x 1.359 -6.357 -0.012
y -6.357 5.873 -0.008
z -0.012 -0.008 -7.233
Polar
3z2-r2-14.465
x2-y2-3.009
xy-6.357
xz-0.012
yz-0.008


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.749 -0.059 -0.003
y -0.059 14.083 0.000
z -0.003 0.000 4.024


<r2> (average value of r2) Å2
<r2> 325.701
(<r2>)1/2 18.047