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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-419.016182
Energy at 298.15K-419.022911
HF Energy-418.143353
Nuclear repulsion energy399.027595
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' 3606 3426 57.37      
2 A' 3229 3068 3.89      
3 A' 3215 3054 15.52      
4 A' 3205 3045 15.51      
5 A' 3193 3033 11.94      
6 A' 3181 3022 0.17      
7 A' 1709 1623 166.25      
8 A' 1640 1558 7.03      
9 A' 1614 1534 11.56      
10 A' 1538 1461 6.39      
11 A' 1496 1422 14.23      
12 A' 1391 1321 2.98      
13 A' 1384 1315 95.60      
14 A' 1378 1310 2.56      
15 A' 1243 1181 2.57      
16 A' 1231 1170 0.12      
17 A' 1210 1150 141.11      
18 A' 1122 1066 6.19      
19 A' 1065 1012 77.13      
20 A' 1046 993 163.94      
21 A' 1019 969 11.66      
22 A' 769 730 1.95      
23 A' 642 610 1.10      
24 A' 629 598 43.99      
25 A' 494 469 6.89      
26 A' 384 365 8.49      
27 A' 219 208 0.80      
28 A" 875 832 0.19      
29 A" 871 828 0.19      
30 A" 862 819 1.41      
31 A" 823 782 0.07      
32 A" 743 706 22.32      
33 A" 684 650 150.13      
34 A" 612 581 121.03      
35 A" 489 464 0.01      
36 A" 406 386 6.64      
37 A" 392 372 1.00      
38 A" 155 147 0.80      
39 A" 46 44 0.37      

Unscaled Zero Point Vibrational Energy (zpe) 24903.9 cm-1
Scaled (by 0.9501) Zero Point Vibrational Energy (zpe) 23661.2 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
0.12493 0.03992 0.03026

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 0.223 0.000
C2 1.309 -0.315 0.000
C3 1.492 -1.711 0.000
C4 0.373 -2.574 0.000
C5 -0.931 -2.033 0.000
C6 -1.125 -0.636 0.000
C7 -0.148 1.706 0.000
O8 0.790 2.537 0.000
O9 -1.486 2.121 0.000
H10 2.163 0.364 0.000
H11 2.501 -2.125 0.000
H12 0.517 -3.655 0.000
H13 -1.796 -2.697 0.000
H14 -2.128 -0.214 0.000
H15 -1.515 3.105 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 C7 O8 O9 H10 H11 H12 H13 H14 H15
C11.41542.44282.82142.44041.41531.48992.44472.41072.16753.43073.91213.42832.17253.2558
C21.41541.40832.44522.82362.45512.49072.89803.70771.09042.16763.43293.91433.43894.4349
C32.44281.40831.41292.44512.82913.78974.30514.85342.18041.09062.17503.43353.91785.6777
C42.82142.44521.41291.41262.44904.31085.12715.04953.43962.17461.09072.17343.43895.9843
C52.44042.82362.44511.41261.40973.81954.88274.19053.91393.43402.17461.09072.17725.1707
C61.41532.45512.82912.44901.40972.53753.70572.78083.43643.91973.43602.16751.08883.7616
C71.48992.49073.78974.31083.81952.53751.25281.40172.67184.65725.40144.70122.75811.9564
O82.44472.89804.30515.12714.88273.70571.25282.31382.57024.96576.19745.83774.01002.3737
O92.41073.70774.85345.04954.19052.78081.40172.31384.05025.82486.11334.82792.42140.9845
H102.16751.09042.18043.43963.91393.43642.67182.57024.05022.51174.34275.00464.32984.5868
H113.43072.16761.09062.17463.43403.91974.65724.96575.82482.51172.50574.33565.00846.5940
H123.91213.43292.17501.09072.17463.43605.40146.19746.11334.34272.50572.50384.34017.0585
H133.42833.91433.43352.17341.09072.16754.70125.83774.82795.00464.33562.50382.50525.8089
H142.17253.43893.91783.43892.17721.08882.75814.01002.42144.32985.00844.34012.50523.3751
H153.25584.43495.67775.98435.17073.76161.95642.37370.98454.58686.59407.05855.80893.3751

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 119.793 C1 C2 H10 119.202
C1 C6 C5 119.503 C1 C6 H14 119.791
C1 C7 O8 125.871 C1 C7 O9 112.922
C2 C1 C6 120.297 C2 C1 C7 118.006
C2 C3 C4 120.161 C2 C3 H11 119.785
C3 C2 H10 121.005 C3 C4 C5 119.851
C3 C4 H12 120.074 C4 C3 H11 120.054
C4 C5 C6 120.394 C4 C5 H13 119.958
C5 C4 H12 120.075 C5 C6 H14 120.705
C6 C1 C7 121.698 C6 C5 H13 119.648
C7 O9 H15 108.891 O8 C7 O9 121.207
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability