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

using model chemistry: CISD/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 CISD/6-311G*
 hartrees
Energy at 0K-419.433877
Energy at 298.15K-419.441259
Nuclear repulsion energy407.987530
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/6-311G*
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' 4020 3719 101.94      
2 A' 3356 3105 2.76      
3 A' 3350 3100 4.55      
4 A' 3332 3083 19.20      
5 A' 3321 3073 14.32      
6 A' 3307 3060 0.58      
7 A' 1953 1807 417.03      
8 A' 1764 1632 17.86      
9 A' 1741 1611 4.97      
10 A' 1621 1499 4.55      
11 A' 1568 1451 26.31      
12 A' 1482 1371 138.11      
13 A' 1421 1315 7.91      
14 A' 1353 1252 18.10      
15 A' 1313 1215 285.08      
16 A' 1263 1169 25.87      
17 A' 1223 1132 2.27      
18 A' 1196 1106 53.39      
19 A' 1156 1070 18.17      
20 A' 1100 1018 7.76      
21 A' 1062 983 0.41      
22 A' 822 761 19.82      
23 A' 678 628 61.01      
24 A' 657 608 0.08      
25 A' 524 485 5.26      
26 A' 403 373 5.69      
27 A' 229 212 1.48      
28 A" 1030 953 0.09      
29 A" 1017 941 0.09      
30 A" 995 920 0.91      
31 A" 913 845 0.02      
32 A" 871 806 5.12      
33 A" 776 718 187.41      
34 A" 682 631 3.41      
35 A" 627 580 80.70      
36 A" 452 418 11.53      
37 A" 433 400 0.68      
38 A" 169 157 1.18      
39 A" 69 64 0.98      

Unscaled Zero Point Vibrational Energy (zpe) 26623.7 cm-1
Scaled (by 0.9253) Zero Point Vibrational Energy (zpe) 24634.9 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/6-311G*
ABC
0.13168 0.04139 0.03149

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.218 0.000
C2 1.270 -0.347 0.000
C3 1.413 -1.722 0.000
C4 0.288 -2.536 0.000
C5 -0.979 -1.973 0.000
C6 -1.127 -0.595 0.000
C7 -0.101 1.699 0.000
O8 0.831 2.443 0.000
O9 -1.360 2.140 0.000
H10 2.129 0.301 0.000
H11 2.397 -2.161 0.000
H12 0.400 -3.608 0.000
H13 -1.851 -2.605 0.000
H14 -2.107 -0.152 0.000
H15 -1.332 3.091 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 C7 O8 O9 H10 H11 H12 H13 H14 H15
C11.38992.40082.76902.39981.38971.48442.37462.35402.13103.37763.84713.37642.13913.1668
C21.38991.38342.39902.77522.40942.46252.82353.61901.07632.13613.37543.85283.38224.3115
C32.40081.38341.38782.40512.77863.74174.20564.75472.14691.07752.14043.38173.85425.5416
C42.76902.39901.38781.38682.40144.25275.00784.95763.38202.14221.07812.14093.37895.8556
C52.39982.77522.40511.38681.38523.77554.77204.13033.85143.38172.13911.07762.14145.0763
C61.38972.40942.77862.40141.38522.51353.61422.74543.37723.85613.37732.13661.07563.6924
C71.48442.46253.74174.25273.77552.51351.19221.33372.63214.59795.33084.64692.72991.8585
O82.37462.82354.20565.00784.77203.61421.19222.21162.50414.86256.06595.71653.91992.2585
O92.35403.61904.75474.95764.13032.74541.33372.21163.94385.71076.01134.77082.41110.9516
H102.13101.07632.14693.38203.85143.37722.63212.50413.94382.47664.27474.92904.26044.4459
H113.37762.13611.07752.14223.38173.85614.59794.86255.71072.47662.46664.27204.93176.4416
H123.84713.37542.14041.07812.13913.37735.33086.06596.01134.27472.46662.46464.26916.9196
H133.37643.85283.38172.14091.07762.13664.64695.71654.77084.92904.27202.46462.46625.7202
H142.13913.38223.85423.37892.14141.07562.72993.91992.41114.26044.93174.26912.46623.3349
H153.16684.31155.54165.85565.07633.69241.85852.25850.95164.44596.44166.91965.72023.3349

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 119.922 C1 C2 H10 119.012
C1 C6 C5 119.723 C1 C6 H14 119.837
C1 C7 O8 124.683 C1 C7 O9 113.194
C2 C1 C6 120.180 C2 C1 C7 117.874
C2 C3 C4 119.924 C2 C3 H11 119.937
C3 C2 H10 121.066 C3 C4 C5 120.184
C3 C4 H12 119.922 C4 C3 H11 120.138
C4 C5 C6 120.067 C4 C5 H13 120.102
C5 C4 H12 119.894 C5 C6 H14 120.441
C6 C1 C7 121.946 C6 C5 H13 119.832
C7 O9 H15 107.649 O8 C7 O9 122.123
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability