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

using model chemistry: CISD/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 CISD/6-31G
 hartrees
Energy at 0K-418.848133
Energy at 298.15K-418.855415
Nuclear repulsion energy403.390283
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 CISD/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' 3829 3591 86.53      
2 A' 3324 3117 3.25      
3 A' 3311 3105 9.58      
4 A' 3298 3093 16.81      
5 A' 3286 3082 13.88      
6 A' 3272 3068 0.64      
7 A' 1823 1710 325.24      
8 A' 1741 1633 13.98      
9 A' 1714 1607 12.77      
10 A' 1613 1513 6.67      
11 A' 1567 1470 21.30      
12 A' 1458 1368 126.59      
13 A' 1439 1350 0.61      
14 A' 1353 1269 5.23      
15 A' 1287 1207 12.71      
16 A' 1262 1183 147.43      
17 A' 1256 1178 31.90      
18 A' 1173 1100 27.87      
19 A' 1140 1069 157.28      
20 A' 1101 1032 27.44      
21 A' 1072 1006 0.89      
22 A' 811 761 5.05      
23 A' 670 629 2.19      
24 A' 663 622 57.57      
25 A' 520 487 6.13      
26 A' 401 376 9.59      
27 A' 227 213 1.12      
28 A" 1012 949 0.07      
29 A" 999 936 0.46      
30 A" 979 918 2.31      
31 A" 908 851 0.01      
32 A" 825 774 8.52      
33 A" 744 698 191.08      
34 A" 670 629 16.33      
35 A" 617 579 120.63      
36 A" 445 417 9.88      
37 A" 428 402 0.56      
38 A" 167 157 0.63      
39 A" 62 58 0.85      

Unscaled Zero Point Vibrational Energy (zpe) 26234.2 cm-1
Scaled (by 0.9378) Zero Point Vibrational Energy (zpe) 24602.4 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 CISD/6-31G
ABC
0.12810 0.04067 0.03087

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.219 0.000
C2 1.297 -0.312 0.000
C3 1.481 -1.694 0.000
C4 0.371 -2.547 0.000
C5 -0.923 -2.015 0.000
C6 -1.112 -0.633 0.000
C7 -0.152 1.693 0.000
O8 0.772 2.505 0.000
O9 -1.460 2.109 0.000
H10 2.143 0.362 0.000
H11 2.481 -2.106 0.000
H12 0.514 -3.620 0.000
H13 -1.780 -2.676 0.000
H14 -2.108 -0.213 0.000
H15 -1.519 3.075 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 C7 O8 O9 H10 H11 H12 H13 H14 H15
C11.40162.41962.79092.41781.40111.48102.41272.38782.14753.40033.87333.39842.15163.2345
C21.40161.39432.41882.79772.43042.47332.86583.66911.08152.14923.39883.87973.40594.4049
C32.41961.39431.39922.42462.80193.75974.25884.80742.16001.08182.15423.40483.88195.6343
C42.79092.41881.39921.39852.42164.27155.06785.00263.40562.15581.08242.15463.40435.9309
C52.41782.79772.42461.39851.39583.78744.82794.15903.87913.40502.15361.08192.15705.1252
C61.40112.43042.80192.42161.39582.51593.66022.76323.40353.88373.40122.14941.08013.7298
C71.48102.47333.75974.27153.78742.51591.23031.37332.65244.62155.35394.66192.73101.9446
O82.41272.86584.25885.06784.82793.66021.23032.26742.54424.91736.13035.77533.96022.3613
O92.38783.66914.80745.00264.15902.76321.37332.26744.00425.77026.05914.79502.41040.9681
H102.14751.08152.16003.40563.87913.40352.65242.54424.00422.49044.30154.96104.28914.5577
H113.40032.14921.08182.15583.40503.88374.62154.91735.77022.49042.48224.29894.96386.5454
H123.87333.39882.15421.08242.15363.40125.35396.13036.05914.30152.48222.48064.29876.9966
H133.39843.87973.40482.15461.08192.14944.66195.77534.79504.96104.29892.48062.48435.7565
H142.15163.40593.88193.40432.15701.08012.73103.96022.41044.28914.96384.29872.48433.3403
H153.23454.40495.63435.93095.12523.72981.94462.36130.96814.55776.54546.99665.75653.3403

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 119.860 C1 C2 H10 119.172
C1 C6 C5 119.641 C1 C6 H14 119.699
C1 C7 O8 125.463 C1 C7 O9 113.506
C2 C1 C6 120.261 C2 C1 C7 118.159
C2 C3 C4 119.959 C2 C3 H11 119.918
C3 C2 H10 120.968 C3 C4 C5 120.141
C3 C4 H12 119.929 C4 C3 H11 120.123
C4 C5 C6 120.137 C4 C5 H13 120.066
C5 C4 H12 119.929 C5 C6 H14 120.660
C6 C1 C7 121.579 C6 C5 H13 119.797
C7 O9 H15 111.129 O8 C7 O9 121.031
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability