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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-418.340846
Energy at 298.15K-418.348445
Nuclear repulsion energy408.157100
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' 4137 3734 152.44      
2 A' 3396 3065 3.24      
3 A' 3393 3063 5.31      
4 A' 3371 3043 23.97      
5 A' 3360 3033 16.84      
6 A' 3345 3019 1.05      
7 A' 2008 1813 471.46      
8 A' 1808 1632 24.26      
9 A' 1783 1610 5.46      
10 A' 1665 1503 3.92      
11 A' 1612 1455 30.17      
12 A' 1517 1369 196.54      
13 A' 1464 1321 4.48      
14 A' 1354 1222 46.34      
15 A' 1329 1199 223.32      
16 A' 1291 1165 39.14      
17 A' 1233 1113 3.09      
18 A' 1215 1096 63.99      
19 A' 1178 1063 4.49      
20 A' 1124 1015 6.11      
21 A' 1092 986 0.08      
22 A' 841 759 19.80      
23 A' 695 627 65.62      
24 A' 676 610 0.09      
25 A' 536 484 4.90      
26 A' 411 371 6.15      
27 A' 235 212 1.75      
28 A" 1137 1026 0.00      
29 A" 1119 1010 0.04      
30 A" 1078 973 0.94      
31 A" 963 870 0.02      
32 A" 907 818 2.60      
33 A" 808 729 169.09      
34 A" 760 686 2.63      
35 A" 631 570 91.80      
36 A" 474 428 10.40      
37 A" 455 411 0.39      
38 A" 175 158 0.48      
39 A" 71 64 1.39      

Unscaled Zero Point Vibrational Energy (zpe) 27322.1 cm-1
Scaled (by 0.9026) Zero Point Vibrational Energy (zpe) 24661.0 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
0.13206 0.04133 0.03148

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 0.217 0.000
C2 1.270 -0.349 0.000
C3 1.413 -1.723 0.000
C4 0.289 -2.535 0.000
C5 -0.978 -1.974 0.000
C6 -1.125 -0.598 0.000
C7 -0.104 1.700 0.000
O8 0.828 2.443 0.000
O9 -1.356 2.146 0.000
H10 2.127 0.297 0.000
H11 2.395 -2.161 0.000
H12 0.400 -3.605 0.000
H13 -1.848 -2.606 0.000
H14 -2.104 -0.158 0.000
H15 -1.328 3.094 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 C7 O8 O9 H10 H11 H12 H13 H14 H15
C11.39002.40082.76732.39991.38971.48692.37432.35812.12893.37573.84313.37452.13753.1682
C21.39001.38232.39622.77422.40812.46662.82603.62211.07362.13383.37043.84943.37944.3124
C32.40081.38231.38682.40492.77713.74494.20704.75872.14301.07522.13693.37903.85035.5425
C42.76732.39621.38681.38572.39834.25355.00664.96183.37652.13951.07592.13833.37295.8562
C52.39992.77422.40491.38571.38403.77744.77174.13783.84773.37902.13561.07522.13695.0798
C61.38972.40812.77712.39831.38402.51553.61382.75403.37383.85233.37202.13421.07323.6972
C71.48692.46663.74494.25353.77742.51551.19061.32962.63554.59975.32934.64662.73081.8548
O82.37432.82604.20705.00664.77173.61381.19062.20372.50854.86356.06265.71403.91912.2518
O92.35813.62214.75874.96184.13782.75401.32962.20373.94395.71226.01364.77792.42280.9477
H102.12891.07362.14303.37653.84773.37382.63552.50853.94392.47304.26724.92294.25614.4453
H113.37572.13381.07522.13953.37903.85234.59974.86355.71222.47302.46254.26694.92556.4403
H123.84313.37042.13691.07592.13563.37205.32936.06266.01364.26722.46252.46064.26096.9180
H133.37453.84943.37902.13831.07522.13424.64665.71404.77794.92294.26692.46062.46155.7234
H142.13753.37943.85033.37292.13691.07322.73083.91912.42284.25614.92554.26092.46153.3430
H153.16824.31245.54255.85625.07983.69721.85482.25180.94774.44536.44036.91805.72343.3430

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 119.991 C1 C2 H10 119.003
C1 C6 C5 119.817 C1 C6 H14 119.878
C1 C7 O8 124.566 C1 C7 O9 113.584
C2 C1 C6 120.061 C2 C1 C7 118.013
C2 C3 C4 119.844 C2 C3 H11 120.000
C3 C2 H10 121.007 C3 C4 C5 120.317
C3 C4 H12 119.856 C4 C3 H11 120.157
C4 C5 C6 119.971 C4 C5 H13 120.132
C5 C4 H12 119.826 C5 C6 H14 120.306
C6 C1 C7 121.926 C6 C5 H13 119.898
C7 O9 H15 107.897 O8 C7 O9 121.850
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 -0.180      
2 C -0.104      
3 C -0.163      
4 C -0.127      
5 C -0.164      
6 C -0.106      
7 C 0.808      
8 O -0.573      
9 O -0.616      
10 H 0.197      
11 H 0.159      
12 H 0.159      
13 H 0.158      
14 H 0.189      
15 H 0.364      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.339 -1.696 0.000 2.161
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -48.368 -6.402 0.000
y -6.402 -45.415 0.000
z 0.000 0.000 -54.080
Traceless
 xyz
x 1.380 -6.402 0.000
y -6.402 5.809 0.000
z 0.000 0.000 -7.188
Polar
3z2-r2-14.377
x2-y2-2.952
xy-6.402
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.824 -0.057 0.000
y -0.057 14.143 0.000
z 0.000 0.000 4.092


<r2> (average value of r2) Å2
<r2> 325.570
(<r2>)1/2 18.044