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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-419.716985
Energy at 298.15K-419.723742
HF Energy-418.408305
Nuclear repulsion energy404.326321
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' 3776 3589 77.69      
2 A' 3246 3085 2.25      
3 A' 3237 3076 5.37      
4 A' 3226 3066 13.30      
5 A' 3217 3057 11.18      
6 A' 3205 3045 0.23      
7 A' 1827 1736 255.30      
8 A' 1659 1576 7.68      
9 A' 1637 1556 6.42      
10 A' 1535 1458 4.27      
11 A' 1488 1414 19.60      
12 A' 1461 1388 1.90      
13 A' 1409 1339 108.62      
14 A' 1348 1281 6.87      
15 A' 1243 1181 236.69      
16 A' 1211 1151 29.18      
17 A' 1196 1137 0.12      
18 A' 1132 1075 56.33      
19 A' 1103 1048 54.95      
20 A' 1051 999 12.87      
21 A' 1010 960 1.13      
22 A' 780 741 15.30      
23 A' 641 609 50.38      
24 A' 624 593 0.05      
25 A' 499 475 5.88      
26 A' 385 366 4.88      
27 A' 220 209 1.20      
28 A" 885 841 0.29      
29 A" 875 832 0.07      
30 A" 868 825 0.81      
31 A" 828 787 0.08      
32 A" 785 746 4.10      
33 A" 712 676 171.78      
34 A" 610 580 73.43      
35 A" 432 411 0.33      
36 A" 404 384 8.04      
37 A" 388 369 1.47      
38 A" 155 147 1.49      
39 A" 57 54 0.56      

Unscaled Zero Point Vibrational Energy (zpe) 25181.6 cm-1
Scaled (by 0.9503) Zero Point Vibrational Energy (zpe) 23930.1 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
0.12875 0.04084 0.03101

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 0.224 0.000
C2 1.280 -0.349 0.000
C3 1.418 -1.738 0.000
C4 0.283 -2.557 0.000
C5 -0.993 -1.982 0.000
C6 -1.141 -0.592 0.000
C7 -0.093 1.707 0.000
O8 0.856 2.462 0.000
O9 -1.375 2.147 0.000
H10 2.147 0.306 0.000
H11 2.410 -2.182 0.000
H12 0.392 -3.639 0.000
H13 -1.875 -2.617 0.000
H14 -2.127 -0.140 0.000
H15 -1.320 3.114 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 C7 O8 O9 H10 H11 H12 H13 H14 H15
C11.40252.42032.79502.41911.40271.48652.39642.36422.14903.40523.88233.40382.15823.1773
C21.40251.39562.42302.79942.43332.47262.84273.64401.08632.15333.40783.88613.41404.3304
C32.42031.39561.40032.42402.80353.76184.23714.78462.16931.08672.16053.40893.88895.5709
C42.79502.42301.40031.39972.42604.28075.05164.98763.41632.15991.08732.15883.41325.8929
C52.41912.79942.42401.39971.39733.79754.81354.14683.88553.40912.15961.08672.16305.1061
C61.40272.43332.80352.42601.39732.52713.64932.74973.40863.89013.41012.15361.08543.7105
C71.48652.47263.76184.28073.79752.52711.21271.35492.64304.62525.36804.67702.74781.8665
O82.39642.84274.23715.05164.81353.64931.21272.25282.51374.89726.11845.76683.95872.2719
O92.36423.64404.78464.98764.14682.74971.35492.25283.97465.75036.04974.79042.40790.9679
H102.14901.08632.16933.41633.88553.40862.64302.51373.97462.50144.31734.97224.29804.4623
H113.40522.15331.08672.15993.40913.89014.62524.89725.75032.50142.48874.30714.97556.4776
H123.88233.40782.16051.08732.15963.41015.36806.11846.04974.31732.48872.48684.31136.9661
H133.40383.88613.40892.15881.08672.15364.67705.76684.79044.97224.30712.48682.48975.7574
H142.15823.41403.88893.41322.16301.08542.74783.95872.40794.29804.97554.31132.48973.3522
H153.17734.33045.57095.89295.10613.71051.86652.27190.96794.46236.47766.96615.75743.3522

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 119.765 C1 C2 H10 118.873
C1 C6 C5 119.530 C1 C6 H14 119.780
C1 C7 O8 124.895 C1 C7 O9 112.545
C2 C1 C6 120.323 C2 C1 C7 117.688
C2 C3 C4 120.141 C2 C3 H11 119.819
C3 C2 H10 121.361 C3 C4 C5 119.931
C3 C4 H12 120.051 C4 C3 H11 120.040
C4 C5 C6 120.309 C4 C5 H13 119.989
C5 C4 H12 120.018 C5 C6 H14 120.690
C6 C1 C7 121.989 C6 C5 H13 119.702
C7 O9 H15 105.738 O8 C7 O9 122.560
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability