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

using model chemistry: MP2/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/6-31G
 hartrees
Energy at 0K-419.004346
Energy at 298.15K-419.011066
HF Energy-418.143223
Nuclear repulsion energy398.959567
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 MP2/6-31G
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 3450 57.33      
2 A' 3228 3089 3.91      
3 A' 3214 3076 15.58      
4 A' 3204 3066 15.60      
5 A' 3192 3054 12.00      
6 A' 3181 3043 0.17      
7 A' 1708 1634 166.29      
8 A' 1640 1569 7.00      
9 A' 1614 1544 11.55      
10 A' 1537 1471 6.36      
11 A' 1496 1432 14.18      
12 A' 1391 1330 3.10      
13 A' 1384 1324 95.28      
14 A' 1378 1319 2.39      
15 A' 1243 1189 2.65      
16 A' 1231 1178 0.12      
17 A' 1210 1158 141.44      
18 A' 1122 1074 6.18      
19 A' 1065 1019 76.26      
20 A' 1046 1000 164.27      
21 A' 1019 975 12.24      
22 A' 769 735 1.94      
23 A' 642 614 1.08      
24 A' 629 602 44.01      
25 A' 494 473 6.88      
26 A' 384 367 8.48      
27 A' 219 209 0.80      
28 A" 874 836 0.18      
29 A" 870 832 0.18      
30 A" 860 823 1.37      
31 A" 822 786 0.07      
32 A" 741 709 22.36      
33 A" 683 653 151.21      
34 A" 611 585 120.15      
35 A" 488 467 0.00      
36 A" 404 387 6.41      
37 A" 391 374 1.09      
38 A" 154 148 0.81      
39 A" 46 44 0.37      

Unscaled Zero Point Vibrational Energy (zpe) 24893.7 cm-1
Scaled (by 0.9568) Zero Point Vibrational Energy (zpe) 23818.3 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 MP2/6-31G
ABC
0.12488 0.03991 0.03024

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

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 -1.712 0.000
C4 0.372 -2.574 0.000
C5 -0.933 -2.033 0.000
C6 -1.125 -0.636 0.000
C7 -0.147 1.706 0.000
O8 0.791 2.536 0.000
O9 -1.485 2.122 0.000
H10 2.163 0.363 0.000
H11 2.501 -2.126 0.000
H12 0.515 -3.656 0.000
H13 -1.798 -2.697 0.000
H14 -2.129 -0.213 0.000
H15 -1.513 3.106 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 C7 O8 O9 H10 H11 H12 H13 H14 H15
C11.41572.44322.82192.44081.41561.49032.44512.41112.16803.43123.91273.42892.17303.2563
C21.41571.40852.44572.82412.45572.49112.89843.70831.09052.16793.43353.91493.43964.4356
C32.44321.40851.41322.44552.82963.79044.30574.85432.18071.09072.17523.43403.91855.6785
C42.82192.44571.41321.41282.44944.31165.12795.05053.44012.17491.09082.17363.43945.9853
C52.44082.82412.44551.41281.41003.82044.88354.19153.91453.43452.17491.09082.17755.1717
C61.41562.45572.82962.44941.41002.53823.70642.78153.43703.92033.43662.16781.08893.7623
C71.49032.49113.79044.31163.82042.53821.25291.40192.67234.65805.40244.70222.75891.9566
O82.44512.89844.30575.12794.88353.70641.25292.31412.57054.96646.19825.83874.01092.3740
O92.41113.70834.85435.05054.19152.78151.40192.31414.05095.82586.11444.82902.42230.9845
H102.16801.09052.18073.44013.91453.43702.67232.57054.05092.51204.34335.00534.33074.5875
H113.43122.16791.09072.17493.43453.92034.65804.96645.82582.51202.50604.33625.00926.5950
H123.91273.43352.17521.09082.17493.43665.40246.19826.11444.34332.50602.50414.34077.0597
H133.42893.91493.43402.17361.09082.16784.70225.83874.82905.00534.33622.50412.50555.8100
H142.17303.43963.91853.43942.17751.08892.75894.01092.42234.33075.00924.34072.50553.3761
H153.25634.43565.67855.98535.17173.76231.95662.37400.98454.58756.59507.05975.81003.3761

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 119.790 C1 C2 H10 119.208
C1 C6 C5 119.499 C1 C6 H14 119.799
C1 C7 O8 125.865 C1 C7 O9 112.921
C2 C1 C6 120.298 C2 C1 C7 117.998
C2 C3 C4 120.163 C2 C3 H11 119.785
C3 C2 H10 121.002 C3 C4 C5 119.852
C3 C4 H12 120.074 C4 C3 H11 120.052
C4 C5 C6 120.397 C4 C5 H13 119.955
C5 C4 H12 120.074 C5 C6 H14 120.701
C6 C1 C7 121.703 C6 C5 H13 119.647
C7 O9 H15 108.891 O8 C7 O9 121.214
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability