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

using model chemistry: QCISD/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at QCISD/STO-3G
 hartrees
Energy at 0K-413.590421
Energy at 298.15K-413.596628
HF Energy-412.964862
Nuclear repulsion energy393.235483
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 QCISD/STO-3G
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' 3685 3685 41.56      
2 A' 3443 3443 0.52      
3 A' 3437 3437 1.99      
4 A' 3431 3431 1.12      
5 A' 3424 3424 0.36      
6 A' 3417 3417 0.08      
7 A' 1826 1826 26.79      
8 A' 1727 1727 1.21      
9 A' 1705 1705 1.20      
10 A' 1619 1619 1.00      
11 A' 1565 1565 8.42      
12 A' 1525 1525 23.14      
13 A' 1410 1410 5.42      
14 A' 1310 1310 80.74      
15 A' 1257 1257 0.28      
16 A' 1241 1241 4.25      
17 A' 1159 1159 13.95      
18 A' 1128 1128 32.48      
19 A' 1113 1113 3.41      
20 A' 1085 1085 3.09      
21 A' 1050 1050 0.36      
22 A' 777 777 4.29      
23 A' 646 646 0.01      
24 A' 596 596 33.14      
25 A' 472 472 1.77      
26 A' 355 355 5.11      
27 A' 177 177 0.13      
28 A" 1038 1038 0.02      
29 A" 1025 1025 0.00      
30 A" 968 968 0.56      
31 A" 901 901 0.00      
32 A" 796 796 5.54      
33 A" 724 724 5.95      
34 A" 635 635 18.36      
35 A" 547 547 54.06      
36 A" 424 424 2.18      
37 A" 415 415 0.17      
38 A" 158 158 0.18      
39 A" 49 49 0.04      

Unscaled Zero Point Vibrational Energy (zpe) 26128.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 26128.6 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 QCISD/STO-3G
ABC
0.12241 0.03846 0.02926

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.216 0.000
C2 1.342 -0.268 0.000
C3 1.598 -1.665 0.000
C4 0.514 -2.587 0.000
C5 -0.826 -2.108 0.000
C6 -1.085 -0.710 0.000
C7 -0.243 1.741 0.000
O8 0.648 2.634 0.000
O9 -1.641 2.066 0.000
H10 2.177 0.460 0.000
H11 2.642 -2.036 0.000
H12 0.713 -3.676 0.000
H13 -1.670 -2.825 0.000
H14 -2.125 -0.332 0.000
H15 -1.601 3.095 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 C7 O8 O9 H10 H11 H12 H13 H14 H15
C11.42662.46822.84922.46611.42611.54472.50372.47312.19103.47123.95663.46902.19493.2947
C21.42661.42052.46232.84362.46692.55922.98383.78741.10812.19453.46593.95113.46824.4692
C32.46821.42051.42312.46422.84803.87214.40294.94092.20291.10752.19743.46793.95525.7355
C42.84922.46231.42311.42262.46534.39355.22255.12763.47152.19791.10752.19683.47146.0627
C52.46612.84362.46421.42261.42173.89294.96584.25313.95153.46822.19691.10752.20095.2605
C61.42612.46692.84802.46531.42172.59173.76642.83153.46573.95543.46832.19421.10733.8400
C71.54472.55923.87214.39353.89292.59171.26161.43472.73844.75295.50104.78372.80011.9178
O82.50372.98384.40295.22254.96583.76641.26162.35802.65775.07796.31055.93074.06072.2962
O92.47313.78744.94095.12764.25312.83151.43472.35804.14185.93026.20604.89122.44671.0295
H102.19101.10812.20293.47153.95153.46572.73842.65774.14182.53944.38815.05914.37514.6064
H113.47122.19451.10752.19793.46823.95544.75295.07795.93022.53942.53184.38335.06276.6583
H123.95663.46592.19741.10752.19693.46835.50106.31056.20604.38812.53182.53044.38647.1558
H133.46903.95113.46792.19681.10752.19424.78375.93074.89125.05914.38332.53042.53425.9203
H142.19493.46823.95523.47142.20091.10732.80014.06072.44674.37515.06274.38642.53423.4668
H153.29474.46925.73556.06275.26053.84001.91782.29621.02954.60646.65837.15585.92033.4668

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 120.202 C1 C2 H10 119.096
C1 C6 C5 119.980 C1 C6 H14 119.549
C1 C7 O8 125.998 C1 C7 O9 112.158
C2 C1 C6 119.708 C2 C1 C7 118.871
C2 C3 C4 119.975 C2 C3 H11 119.963
C3 C2 H10 120.703 C3 C4 C5 119.973
C3 C4 H12 120.012 C4 C3 H11 120.062
C4 C5 C6 120.163 C4 C5 H13 120.001
C5 C4 H12 120.014 C5 C6 H14 120.471
C6 C1 C7 121.421 C6 C5 H13 119.836
C7 O9 H15 100.920 O8 C7 O9 121.844
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability