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

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

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/6-311G**
 hartrees
Energy at 0K-419.765758
Energy at 298.15K-419.772475
HF Energy-418.423887
Nuclear repulsion energy404.327526
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 MP2/6-311G**
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' 3821 3630 98.43      
2 A' 3247 3085 2.19      
3 A' 3239 3077 5.23      
4 A' 3228 3067 10.73      
5 A' 3218 3058 9.70      
6 A' 3206 3047 0.13      
7 A' 1827 1736 243.11      
8 A' 1653 1571 7.79      
9 A' 1634 1552 5.70      
10 A' 1526 1450 5.46      
11 A' 1480 1406 17.40      
12 A' 1458 1385 1.64      
13 A' 1400 1330 126.58      
14 A' 1336 1269 5.45      
15 A' 1228 1167 188.23      
16 A' 1197 1138 35.60      
17 A' 1183 1124 0.23      
18 A' 1125 1069 67.97      
19 A' 1097 1042 51.46      
20 A' 1047 995 11.62      
21 A' 1007 957 1.27      
22 A' 777 739 15.44      
23 A' 637 605 48.69      
24 A' 621 590 0.08      
25 A' 498 473 5.30      
26 A' 384 365 4.69      
27 A' 219 208 1.14      
28 A" 918 872 0.06      
29 A" 906 861 0.02      
30 A" 886 841 0.70      
31 A" 840 798 0.06      
32 A" 775 736 1.06      
33 A" 711 675 137.34      
34 A" 567 539 71.13      
35 A" 415 394 3.74      
36 A" 391 371 2.51      
37 A" 382 363 2.71      
38 A" 153 145 1.11      
39 A" 52 50 0.54      

Unscaled Zero Point Vibrational Energy (zpe) 25142.4 cm-1
Scaled (by 0.9502) Zero Point Vibrational Energy (zpe) 23890.4 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 MP2/6-311G**
ABC
0.12874 0.04084 0.03100

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.222 0.000
C2 1.278 -0.353 0.000
C3 1.413 -1.742 0.000
C4 0.276 -2.559 0.000
C5 -0.999 -1.981 0.000
C6 -1.143 -0.591 0.000
C7 -0.089 1.710 0.000
O8 0.863 2.459 0.000
O9 -1.369 2.155 0.000
H10 2.146 0.299 0.000
H11 2.403 -2.190 0.000
H12 0.382 -3.640 0.000
H13 -1.882 -2.613 0.000
H14 -2.126 -0.135 0.000
H15 -1.295 3.119 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 C7 O8 O9 H10 H11 H12 H13 H14 H15
C11.40202.41982.79482.41891.40241.49072.39752.36842.14733.40453.88113.40332.15633.1731
C21.40201.39572.42302.79912.43272.47532.84273.64691.08532.15343.40703.88543.41194.3219
C32.41981.39571.40002.42332.80283.76504.23724.78822.16911.08622.15973.40783.88715.5646
C42.79482.42301.40001.39932.42574.28475.05224.99253.41562.15871.08642.15803.41245.8912
C52.41892.79912.42331.39931.39733.80164.81444.15233.88423.40772.15851.08632.16295.1085
C61.40242.43272.80282.42571.39732.53103.65032.75523.40683.88903.40892.15341.08443.7131
C71.49072.47533.76504.28473.80162.53101.21111.35522.64304.62805.37104.68072.74911.8545
O82.39752.84274.23725.05224.81443.65031.21112.25272.51224.89726.11815.76753.95812.2566
O92.36843.64694.78824.99254.15232.75521.35522.25273.97485.75356.05374.79592.41200.9670
H102.14731.08532.16913.41563.88423.40682.64302.51223.97482.50224.31624.97054.29444.4488
H113.40452.15341.08622.15873.40773.88904.62804.89725.75352.50222.48724.30524.97336.4696
H123.88113.40702.15971.08642.15853.40895.37106.11816.05374.31622.48722.48554.31006.9640
H133.40333.88543.40782.15801.08632.15344.68075.76754.79594.97054.30522.48552.49045.7625
H142.15633.41193.88713.41242.16291.08442.74913.95812.41204.29444.97334.31002.49043.3587
H153.17314.32195.56465.89125.10853.71311.85452.25660.96704.44886.46966.96405.76253.3587

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 119.753 C1 C2 H10 118.828
C1 C6 C5 119.535 C1 C6 H14 119.702
C1 C7 O8 124.774 C1 C7 O9 112.569
C2 C1 C6 120.328 C2 C1 C7 117.647
C2 C3 C4 120.157 C2 C3 H11 119.856
C3 C2 H10 121.418 C3 C4 C5 119.919
C3 C4 H12 120.067 C4 C3 H11 119.987
C4 C5 C6 120.307 C4 C5 H13 119.977
C5 C4 H12 120.014 C5 C6 H14 120.763
C6 C1 C7 122.025 C6 C5 H13 119.716
C7 O9 H15 104.757 O8 C7 O9 122.657
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability