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

using model chemistry: B2PLYP/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 B2PLYP/6-31G*
 hartrees
Energy at 0K-420.393873
Energy at 298.15K-420.400916
HF Energy-419.982243
Nuclear repulsion energy404.444269
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 B2PLYP/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' 3708 3520 83.95      
2 A' 3256 3091 2.84      
3 A' 3251 3086 5.12      
4 A' 3236 3072 18.06      
5 A' 3227 3063 13.30      
6 A' 3215 3052 0.37      
7 A' 1817 1725 273.80      
8 A' 1673 1588 14.92      
9 A' 1652 1568 5.00      
10 A' 1552 1473 2.51      
11 A' 1506 1430 17.48      
12 A' 1407 1336 122.40      
13 A' 1392 1321 4.84      
14 A' 1364 1294 4.11      
15 A' 1235 1172 130.33      
16 A' 1215 1153 114.90      
17 A' 1206 1145 0.79      
18 A' 1134 1076 42.35      
19 A' 1111 1054 71.12      
20 A' 1059 1006 12.06      
21 A' 1024 972 0.86      
22 A' 782 742 9.84      
23 A' 638 605 52.43      
24 A' 633 601 0.56      
25 A' 499 474 5.66      
26 A' 386 367 5.79      
27 A' 218 207 1.31      
28 A" 973 923 0.05      
29 A" 966 917 0.17      
30 A" 941 893 1.30      
31 A" 865 821 0.07      
32 A" 805 764 0.04      
33 A" 728 691 147.14      
34 A" 675 641 3.81      
35 A" 615 584 56.44      
36 A" 431 409 6.25      
37 A" 411 390 0.44      
38 A" 159 151 0.54      
39 A" 66 63 0.84      

Unscaled Zero Point Vibrational Energy (zpe) 25515.0 cm-1
Scaled (by 0.9492) Zero Point Vibrational Energy (zpe) 24218.8 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 B2PLYP/6-31G*
ABC
0.12893 0.04085 0.03102

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.228 0.000
C2 1.283 -0.333 0.000
C3 1.433 -1.716 0.000
C4 0.306 -2.542 0.000
C5 -0.974 -1.983 0.000
C6 -1.132 -0.598 0.000
C7 -0.111 1.695 0.000
O8 0.840 2.467 0.000
O9 -1.407 2.112 0.000
H10 2.142 0.328 0.000
H11 2.427 -2.151 0.000
H12 0.425 -3.620 0.000
H13 -1.848 -2.625 0.000
H14 -2.119 -0.154 0.000
H15 -1.331 3.081 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 C7 O8 O9 H10 H11 H12 H13 H14 H15
C11.40022.41562.78652.41581.40161.47152.39102.35152.14473.39883.87173.39932.15313.1481
C21.40021.39182.41542.79592.42952.46072.83403.63501.08372.14853.39773.88063.40674.2995
C32.41561.39181.39732.42222.79843.74484.22474.76722.16331.08472.15453.40523.88095.5368
C42.78652.41541.39731.39672.41734.25745.03664.95913.40652.15691.08522.15583.40325.8560
C52.41582.79592.42221.39671.39323.77804.80494.11793.87943.40542.15391.08472.15775.0761
C61.40162.42952.79842.41731.39322.51093.64472.72473.40273.88313.39932.14931.08263.6847
C71.47152.46073.74484.25743.77802.51091.22441.36162.63574.60835.34264.65662.73001.8464
O82.39102.83404.22475.03664.80493.64471.22442.27492.50414.88276.10095.75773.95272.2566
O92.35153.63504.76724.95914.11792.72471.36162.27493.97275.73396.01824.75782.37550.9715
H102.14471.08372.16333.40653.87943.40272.63572.50413.97272.49504.30524.96414.28854.4323
H113.39882.14851.08472.15693.40543.88314.60834.88275.73392.49502.48334.30164.96566.4419
H123.87173.39772.15451.08522.15393.39935.34266.10096.01824.30522.48332.48174.29986.9274
H133.39933.88063.40522.15581.08472.14934.65665.75774.75784.96414.30162.48172.48595.7292
H142.15313.40673.88093.40322.15771.08262.73003.95272.37554.28854.96564.29982.48593.3293
H153.14814.29955.53685.85605.07613.68471.84642.25660.97154.43236.44196.92745.72923.3293

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 119.812 C1 C2 H10 118.861
C1 C6 C5 119.629 C1 C6 H14 119.614
C1 C7 O8 124.727 C1 C7 O9 112.147
C2 C1 C6 120.259 C2 C1 C7 117.918
C2 C3 C4 119.997 C2 C3 H11 119.839
C3 C2 H10 121.328 C3 C4 C5 120.208
C3 C4 H12 119.902 C4 C3 H11 120.163
C4 C5 C6 120.096 C4 C5 H13 120.107
C5 C4 H12 119.890 C5 C6 H14 120.757
C6 C1 C7 121.824 C6 C5 H13 119.798
C7 O9 H15 103.365 O8 C7 O9 123.126
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.022      
2 C -0.162      
3 C -0.170      
4 C -0.144      
5 C -0.169      
6 C -0.165      
7 C 0.653      
8 O -0.525      
9 O -0.648      
10 H 0.203      
11 H 0.171      
12 H 0.171      
13 H 0.170      
14 H 0.198      
15 H 0.438      


Electric dipole moments


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 12.430 -0.241 0.000
y -0.241 15.477 0.000
z 0.000 0.000 4.058


<r2> (average value of r2) Å2
<r2> 329.691
(<r2>)1/2 18.157