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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-418.153754
Energy at 298.15K-418.161476
Nuclear repulsion energy406.740049
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' 4003 3614 134.72      
2 A' 3418 3086 2.90      
3 A' 3406 3075 6.47      
4 A' 3389 3060 20.33      
5 A' 3377 3049 16.61      
6 A' 3361 3035 1.20      
7 A' 1895 1711 435.65      
8 A' 1810 1634 22.44      
9 A' 1781 1608 16.09      
10 A' 1678 1515 7.60      
11 A' 1629 1470 26.64      
12 A' 1511 1364 165.45      
13 A' 1498 1352 10.54      
14 A' 1391 1256 6.72      
15 A' 1328 1199 9.06      
16 A' 1301 1175 175.42      
17 A' 1289 1163 21.81      
18 A' 1217 1099 72.95      
19 A' 1189 1073 115.88      
20 A' 1143 1032 12.35      
21 A' 1111 1003 2.24      
22 A' 843 761 6.41      
23 A' 700 632 2.54      
24 A' 692 625 66.81      
25 A' 543 490 6.53      
26 A' 416 375 10.65      
27 A' 235 212 1.43      
28 A" 1198 1082 0.02      
29 A" 1172 1058 0.01      
30 A" 1126 1017 3.27      
31 A" 999 902 0.00      
32 A" 921 832 3.01      
33 A" 809 730 220.97      
34 A" 782 706 6.39      
35 A" 640 578 154.25      
36 A" 488 441 15.34      
37 A" 469 423 0.31      
38 A" 180 163 0.56      
39 A" 79 71 1.37      

Unscaled Zero Point Vibrational Energy (zpe) 27507.3 cm-1
Scaled (by 0.9029) Zero Point Vibrational Energy (zpe) 24836.3 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
0.13051 0.04126 0.03135

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 1.286 -0.314 0.000
C3 1.466 -1.687 0.000
C4 0.361 -2.529 0.000
C5 -0.923 -1.999 0.000
C6 -1.106 -0.626 0.000
C7 -0.148 1.682 0.000
O8 0.769 2.480 0.000
O9 -1.434 2.103 0.000
H10 2.126 0.351 0.000
H11 2.456 -2.098 0.000
H12 0.500 -3.593 0.000
H13 -1.774 -2.652 0.000
H14 -2.091 -0.207 0.000
H15 -1.517 3.054 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 C7 O8 O9 H10 H11 H12 H13 H14 H15
C11.39202.40372.77052.40211.39131.47152.38932.36812.13003.37583.84363.37402.13373.2154
C21.39201.38412.39982.77812.41212.45842.84223.63891.07152.13273.37123.85053.37864.3817
C32.40371.38411.38912.40872.78173.73574.22504.77182.14231.07232.13663.38013.85205.6005
C42.77052.39981.38911.38822.40234.24165.02564.96723.37772.13931.07312.13813.37635.8894
C52.40212.77812.40871.38821.38573.76254.78874.13433.84953.38032.13581.07232.13945.0877
C61.39132.41212.78172.40231.38572.49923.62842.74873.37613.85403.37342.13311.07033.7023
C71.47152.45843.73574.24163.76252.49921.21581.35282.63494.59015.31474.62912.71011.9374
O82.38932.84224.22505.02564.78873.62841.21582.23512.52464.87886.07905.72773.92472.3570
O92.36813.63894.77184.96724.13432.74871.35282.23513.96745.72516.01504.76712.40180.9539
H102.13001.07152.14233.37773.84953.37612.63492.52463.96742.47084.26594.92194.25344.5356
H113.37582.13271.07232.13933.38033.85404.59014.87885.72512.47082.46234.26614.92436.5052
H123.84363.37122.13661.07312.13583.37345.31476.07906.01504.26592.46232.46064.26306.9453
H133.37403.85053.38012.13811.07232.13314.62915.72774.76714.92194.26612.46062.46525.7110
H142.13373.37863.85203.37632.13941.07032.71013.92472.40184.25344.92434.26302.46523.3106
H153.21544.38175.60055.88945.08773.70231.93742.35700.95394.53566.50526.94535.71103.3106

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 119.957 C1 C2 H10 119.098
C1 C6 C5 119.765 C1 C6 H14 119.603
C1 C7 O8 125.248 C1 C7 O9 113.891
C2 C1 C6 120.138 C2 C1 C7 118.274
C2 C3 C4 119.846 C2 C3 H11 119.973
C3 C2 H10 120.945 C3 C4 C5 120.292
C3 C4 H12 119.856 C4 C3 H11 120.181
C4 C5 C6 120.002 C4 C5 H13 120.125
C5 C4 H12 119.852 C5 C6 H14 120.632
C6 C1 C7 121.589 C6 C5 H13 119.872
C7 O9 H15 113.120 O8 C7 O9 120.862
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.170      
2 C -0.143      
3 C -0.221      
4 C -0.168      
5 C -0.223      
6 C -0.130      
7 C 0.770      
8 O -0.561      
9 O -0.747      
10 H 0.259      
11 H 0.212      
12 H 0.212      
13 H 0.210      
14 H 0.258      
15 H 0.444      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.291 -2.079 0.000 2.447
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -49.234 -7.294 0.000
y -7.294 -46.800 0.000
z 0.000 0.000 -54.874
Traceless
 xyz
x 1.603 -7.294 0.000
y -7.294 5.254 0.000
z 0.000 0.000 -6.857
Polar
3z2-r2-13.714
x2-y2-2.434
xy-7.294
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.686 -0.011 0.000
y -0.011 14.095 0.000
z 0.000 0.000 3.465


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000