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

using model chemistry: HF/CEP-121G

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/CEP-121G
 hartrees
Energy at 0K-73.153525
Energy at 298.15K-73.161175
Nuclear repulsion energy205.947572
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/CEP-121G
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' 4012 3661 110.65      
2 A' 3391 3094 5.14      
3 A' 3379 3083 11.33      
4 A' 3363 3068 26.62      
5 A' 3350 3057 19.62      
6 A' 3333 3041 1.23      
7 A' 1841 1680 484.76      
8 A' 1778 1622 20.96      
9 A' 1749 1596 26.42      
10 A' 1642 1498 13.59      
11 A' 1590 1451 25.97      
12 A' 1479 1350 149.52      
13 A' 1469 1340 2.43      
14 A' 1362 1243 8.41      
15 A' 1305 1191 15.73      
16 A' 1282 1169 193.43      
17 A' 1258 1148 16.93      
18 A' 1188 1084 57.47      
19 A' 1161 1059 123.54      
20 A' 1113 1016 16.49      
21 A' 1077 982 3.40      
22 A' 818 746 5.34      
23 A' 677 618 0.96      
24 A' 666 608 67.36      
25 A' 531 485 6.88      
26 A' 403 367 12.13      
27 A' 227 207 1.53      
28 A" 1147 1047 0.01      
29 A" 1144 1044 0.04      
30 A" 1100 1004 3.36      
31 A" 985 899 0.00      
32 A" 906 827 6.31      
33 A" 799 729 212.29      
34 A" 759 693 2.91      
35 A" 628 573 151.96      
36 A" 483 441 14.19      
37 A" 462 421 0.30      
38 A" 179 164 0.63      
39 A" 79 72 1.45      

Unscaled Zero Point Vibrational Energy (zpe) 27056.1 cm-1
Scaled (by 0.9125) Zero Point Vibrational Energy (zpe) 24688.7 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/CEP-121G
ABC
0.12814 0.04057 0.03081

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/CEP-121G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.219 0.000
C2 1.303 -0.303 0.000
C3 1.497 -1.687 0.000
C4 0.389 -2.548 0.000
C5 -0.912 -2.025 0.000
C6 -1.109 -0.640 0.000
C7 -0.166 1.695 0.000
O8 0.749 2.512 0.000
O9 -1.470 2.103 0.000
H10 2.138 0.372 0.000
H11 2.493 -2.089 0.000
H12 0.538 -3.612 0.000
H13 -1.758 -2.686 0.000
H14 -2.099 -0.230 0.000
H15 -1.563 3.054 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 C7 O8 O9 H10 H11 H12 H13 H14 H15
C11.40372.42342.79342.42211.40291.48612.41302.38972.14303.39693.86843.39552.14673.2373
C21.40371.39752.42342.80562.43582.48052.86943.67111.07312.14583.39623.87963.40334.4138
C32.42341.39751.40282.43242.80873.76934.26554.81312.15601.07402.15053.40543.88055.6425
C42.79342.42341.40281.40172.42554.27925.07275.00833.40272.15351.07492.15213.40075.9318
C52.42212.80562.43241.40171.39913.79474.83214.16593.87853.40542.14961.07412.15295.1208
C61.40292.43582.80872.42551.39912.51893.65972.76693.40083.88273.39812.14641.07183.7218
C71.48612.48053.76934.27923.79472.51891.22701.36562.65704.62505.35414.66192.72831.9482
O82.41302.86944.26555.07274.83213.65971.22702.25632.55154.92036.12815.77173.95402.3745
O92.38973.67114.81315.00834.16592.76691.36562.25634.00115.76836.05764.79782.41630.9554
H102.14301.07312.15603.40273.87853.40082.65702.55154.00112.48584.29264.95264.27944.5701
H113.39692.14581.07402.15353.40543.88274.62504.92035.76832.48582.47834.29344.95456.5494
H123.86843.39622.15051.07492.14963.39815.35416.12816.05764.29262.47832.47654.28936.9892
H133.39553.87963.40542.15211.07412.14644.66195.77174.79784.95264.29342.47652.47995.7433
H142.14673.40333.88053.40072.15291.07182.72833.95402.41634.27944.95454.28932.47993.3272
H153.23734.41385.64255.93185.12083.72181.94822.37450.95544.57016.54946.98925.74333.3272

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 119.798 C1 C2 H10 119.223
C1 C6 C5 119.629 C1 C6 H14 119.731
C1 C7 O8 125.325 C1 C7 O9 113.787
C2 C1 C6 120.431 C2 C1 C7 118.239
C2 C3 C4 119.857 C2 C3 H11 119.931
C3 C2 H10 120.978 C3 C4 C5 120.290
C3 C4 H12 119.850 C4 C3 H11 120.212
C4 C5 C6 119.994 C4 C5 H13 120.160
C5 C4 H12 119.859 C5 C6 H14 120.640
C6 C1 C7 121.329 C6 C5 H13 119.846
C7 O9 H15 112.954 O8 C7 O9 120.888
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-121G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.111      
2 C -0.206      
3 C -0.192      
4 C -0.139      
5 C -0.200      
6 C -0.142      
7 C 0.108      
8 O -0.297      
9 O -0.525      
10 H 0.249      
11 H 0.185      
12 H 0.184      
13 H 0.184      
14 H 0.249      
15 H 0.429      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.317 -2.184 0.000 2.551
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -49.555 -7.591 0.000
y -7.591 -47.829 0.000
z 0.000 0.000 -55.892
Traceless
 xyz
x 2.306 -7.591 0.000
y -7.591 4.895 0.000
z 0.000 0.000 -7.200
Polar
3z2-r2-14.401
x2-y2-1.726
xy-7.591
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 12.531 0.000 0.000
y 0.000 14.994 0.000
z 0.000 0.000 5.328


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