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

using model chemistry: MP2=FULL/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 MP2=FULL/6-31G*
 hartrees
Energy at 0K-419.595758
Energy at 298.15K-419.602655
HF Energy-418.320780
Nuclear repulsion energy404.650058
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 MP2=FULL/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' 3693 3480 98.91      
2 A' 3265 3076 1.84      
3 A' 3257 3069 4.46      
4 A' 3246 3058 11.83      
5 A' 3237 3050 10.13      
6 A' 3226 3039 0.22      
7 A' 1837 1731 232.71      
8 A' 1685 1587 8.44      
9 A' 1664 1567 6.10      
10 A' 1559 1469 4.41      
11 A' 1512 1425 19.10      
12 A' 1477 1391 2.04      
13 A' 1419 1337 141.97      
14 A' 1368 1289 3.99      
15 A' 1244 1172 105.09      
16 A' 1228 1157 108.27      
17 A' 1220 1149 1.79      
18 A' 1143 1077 40.74      
19 A' 1119 1054 82.43      
20 A' 1068 1006 14.22      
21 A' 1025 966 1.37      
22 A' 785 740 11.42      
23 A' 637 601 52.20      
24 A' 632 596 0.05      
25 A' 501 472 5.73      
26 A' 388 366 5.87      
27 A' 222 209 1.22      
28 A" 917 864 0.32      
29 A" 910 858 0.20      
30 A" 896 844 0.85      
31 A" 850 801 0.14      
32 A" 786 741 0.06      
33 A" 722 681 160.71      
34 A" 634 597 65.25      
35 A" 529 498 1.15      
36 A" 419 395 6.25      
37 A" 398 375 0.49      
38 A" 158 149 0.76      
39 A" 57 53 0.69      

Unscaled Zero Point Vibrational Energy (zpe) 25465.2 cm-1
Scaled (by 0.9422) Zero Point Vibrational Energy (zpe) 23993.4 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 MP2=FULL/6-31G*
ABC
0.12880 0.04099 0.03110

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.220 0.000
C2 1.277 -0.351 0.000
C3 1.414 -1.736 0.000
C4 0.281 -2.551 0.000
C5 -0.991 -1.978 0.000
C6 -1.139 -0.593 0.000
C7 -0.092 1.700 0.000
O8 0.861 2.462 0.000
O9 -1.377 2.146 0.000
H10 2.144 0.304 0.000
H11 2.405 -2.181 0.000
H12 0.389 -3.633 0.000
H13 -1.873 -2.613 0.000
H14 -2.126 -0.141 0.000
H15 -1.307 3.123 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 C7 O8 O9 H10 H11 H12 H13 H14 H15
C11.39852.41302.78552.41111.39901.48312.40222.36792.14533.39843.87273.39642.15603.1839
C21.39851.39162.41552.79152.42772.46582.84373.64391.08612.15003.40023.87843.40884.3295
C32.41301.39161.39612.41742.79683.75134.23424.78092.16581.08692.15643.40233.88195.5687
C42.78552.41551.39611.39562.41914.26795.04734.98163.40902.15651.08712.15513.40595.8926
C52.41112.79152.41741.39561.39303.78644.81134.14213.87743.40282.15551.08692.15865.1109
C61.39902.42772.79682.41911.39302.52043.65152.74923.40263.88363.40292.14981.08513.7197
C71.48312.46583.75134.26793.78642.52041.22061.36022.63614.61515.35504.66662.74331.8711
O82.40222.84374.23425.04734.81133.65151.22062.26062.51104.89326.11385.76533.96232.2668
O92.36793.64394.78094.98164.14212.74921.36022.26063.97385.74716.04324.78512.40680.9795
H102.14531.08612.16583.40903.87743.40262.63612.51103.97382.49814.30994.96434.29244.4562
H113.39842.15001.08692.15653.40283.88364.61514.89325.74712.49812.48464.30044.96876.4741
H123.87273.40022.15641.08712.15553.40295.35506.11386.04324.30992.48462.48204.30326.9660
H133.39643.87843.40232.15511.08692.14984.66665.76534.78514.96434.30042.48202.48475.7642
H142.15603.40883.88193.40592.15861.08512.74333.96232.40684.29244.96874.30322.48473.3655
H153.18394.32955.56875.89265.11093.71971.87112.26680.97954.45626.47416.96605.76423.3655

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 119.732 C1 C2 H10 118.873
C1 C6 C5 119.437 C1 C6 H14 119.906
C1 C7 O8 125.083 C1 C7 O9 112.704
C2 C1 C6 120.408 C2 C1 C7 117.643
C2 C3 C4 120.108 C2 C3 H11 119.834
C3 C2 H10 121.395 C3 C4 C5 119.978
C3 C4 H12 120.033 C4 C3 H11 120.058
C4 C5 C6 120.336 C4 C5 H13 119.972
C5 C4 H12 119.989 C5 C6 H14 120.656
C6 C1 C7 121.949 C6 C5 H13 119.691
C7 O9 H15 105.043 O8 C7 O9 122.213
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability