return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: MP2=FULL/6-311G**

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/6-311G**
 hartrees
Energy at 0K-419.935562
Energy at 298.15K-419.942324
HF Energy-418.424322
Nuclear repulsion energy404.708077
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/6-311G**
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' 3824 3628 99.26      
2 A' 3253 3086 2.12      
3 A' 3244 3078 5.15      
4 A' 3234 3068 10.40      
5 A' 3224 3058 9.53      
6 A' 3212 3047 0.13      
7 A' 1830 1736 243.59      
8 A' 1658 1573 7.97      
9 A' 1638 1554 5.71      
10 A' 1529 1450 5.93      
11 A' 1482 1406 17.65      
12 A' 1463 1388 1.73      
13 A' 1403 1331 129.48      
14 A' 1337 1268 5.28      
15 A' 1230 1166 185.95      
16 A' 1198 1137 35.05      
17 A' 1183 1123 0.23      
18 A' 1128 1070 69.73      
19 A' 1099 1042 49.49      
20 A' 1049 995 11.50      
21 A' 1010 958 1.29      
22 A' 779 739 15.50      
23 A' 638 606 48.93      
24 A' 623 591 0.08      
25 A' 499 474 5.29      
26 A' 385 365 4.75      
27 A' 219 208 1.14      
28 A" 924 877 0.06      
29 A" 911 864 0.03      
30 A" 891 845 0.74      
31 A" 844 800 0.06      
32 A" 779 739 1.08      
33 A" 714 677 137.29      
34 A" 570 541 71.26      
35 A" 427 405 1.24      
36 A" 399 378 6.36      
37 A" 386 366 1.65      
38 A" 154 146 1.11      
39 A" 53 51 0.55      

Unscaled Zero Point Vibrational Energy (zpe) 25211.5 cm-1
Scaled (by 0.9486) Zero Point Vibrational Energy (zpe) 23915.6 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/6-311G**
ABC
0.12898 0.04092 0.03106

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.222 0.000
C2 1.277 -0.353 0.000
C3 1.412 -1.740 0.000
C4 0.275 -2.556 0.000
C5 -0.998 -1.979 0.000
C6 -1.141 -0.590 0.000
C7 -0.089 1.708 0.000
O8 0.862 2.457 0.000
O9 -1.368 2.153 0.000
H10 2.144 0.300 0.000
H11 2.401 -2.188 0.000
H12 0.382 -3.637 0.000
H13 -1.880 -2.611 0.000
H14 -2.125 -0.135 0.000
H15 -1.295 3.117 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 C7 O8 O9 H10 H11 H12 H13 H14 H15
C11.40052.41752.79202.41651.40091.48882.39512.36612.14563.40183.87803.40052.15453.1706
C21.40051.39432.42062.79632.43012.47262.83983.64321.08492.15193.40423.88213.40894.3184
C32.41751.39431.39872.42102.79993.76104.23294.78352.16761.08582.15813.40513.88385.5599
C42.79202.42061.39871.39802.42324.28015.04724.98753.41292.15721.08592.15653.40965.8860
C52.41652.79632.42101.39801.39593.79744.80974.14813.88103.40502.15691.08582.16135.1039
C61.40092.43012.79992.42321.39592.52803.64672.75243.40383.88573.40612.15181.08393.7100
C71.48882.47263.76104.28013.79742.52801.21041.35392.64044.62375.36604.67622.74601.8537
O82.39512.83984.23295.04724.80973.64671.21042.25072.50934.89276.11265.76243.95442.2554
O92.36613.64324.78354.98754.14812.75241.35392.25073.97095.74846.04834.79152.40940.9665
H102.14561.08492.16763.41293.88103.40382.64042.50933.97092.50054.31314.96684.29094.4452
H113.40182.15191.08582.15723.40503.88574.62374.89275.74842.50052.48554.30214.96966.4646
H123.87803.40422.15811.08592.15693.40615.36606.11266.04834.31312.48552.48384.30686.9584
H133.40053.88213.40512.15651.08582.15184.67625.76244.79154.96684.30212.48382.48865.7576
H142.15453.40893.88383.40962.16131.08392.74603.95442.40944.29094.96964.30682.48863.3555
H153.17064.31845.55995.88605.10393.71001.85372.25540.96654.44526.46466.95845.75763.3555

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 119.761 C1 C2 H10 118.818
C1 C6 C5 119.544 C1 C6 H14 119.694
C1 C7 O8 124.767 C1 C7 O9 112.595
C2 C1 C6 120.323 C2 C1 C7 117.657
C2 C3 C4 120.151 C2 C3 H11 119.858
C3 C2 H10 121.421 C3 C4 C5 119.920
C3 C4 H12 120.067 C4 C3 H11 119.990
C4 C5 C6 120.301 C4 C5 H13 119.980
C5 C4 H12 120.013 C5 C6 H14 120.762
C6 C1 C7 122.019 C6 C5 H13 119.719
C7 O9 H15 104.817 O8 C7 O9 122.638
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability