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

using model chemistry: MP2/aug-cc-pVDZ

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/aug-cc-pVDZ
 hartrees
Energy at 0K-419.706868
Energy at 298.15K-419.713853
HF Energy-418.376315
Nuclear repulsion energy401.869998
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/aug-cc-pVDZ
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' 3737 3584 99.62      
2 A' 3243 3110 2.93      
3 A' 3235 3103 6.83      
4 A' 3226 3094 6.76      
5 A' 3217 3085 7.50      
6 A' 3205 3074 0.13      
7 A' 1772 1699 286.02      
8 A' 1639 1571 7.89      
9 A' 1618 1552 6.00      
10 A' 1498 1437 10.06      
11 A' 1484 1423 2.60      
12 A' 1450 1390 15.41      
13 A' 1373 1317 115.45      
14 A' 1309 1255 3.72      
15 A' 1215 1165 155.76      
16 A' 1182 1133 31.07      
17 A' 1167 1119 0.43      
18 A' 1102 1056 49.37      
19 A' 1080 1036 102.29      
20 A' 1036 994 18.92      
21 A' 997 956 2.39      
22 A' 764 733 9.02      
23 A' 623 597 43.18      
24 A' 610 585 0.11      
25 A' 494 473 5.70      
26 A' 380 364 5.08      
27 A' 214 205 1.40      
28 A" 954 915 0.05      
29 A" 940 901 0.01      
30 A" 916 879 1.18      
31 A" 847 813 0.06      
32 A" 808 775 0.30      
33 A" 714 684 133.84      
34 A" 650 623 16.88      
35 A" 603 578 44.22      
36 A" 427 409 8.00      
37 A" 400 384 0.24      
38 A" 162 155 0.69      
39 A" 58 55 0.87      

Unscaled Zero Point Vibrational Energy (zpe) 25171.1 cm-1
Scaled (by 0.959) Zero Point Vibrational Energy (zpe) 24139.1 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/aug-cc-pVDZ
ABC
0.12694 0.04043 0.03066

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.225 0.000
C2 1.296 -0.332 0.000
C3 1.453 -1.727 0.000
C4 0.322 -2.567 0.000
C5 -0.970 -2.006 0.000
C6 -1.137 -0.610 0.000
C7 -0.119 1.713 0.000
O8 0.823 2.493 0.000
O9 -1.419 2.136 0.000
H10 2.160 0.337 0.000
H11 2.456 -2.162 0.000
H12 0.446 -3.654 0.000
H13 -1.848 -2.658 0.000
H14 -2.137 -0.171 0.000
H15 -1.372 3.109 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 C7 O8 O9 H10 H11 H12 H13 H14 H15
C11.41062.43372.81052.43281.41101.49242.41222.38072.16273.42553.90463.42462.17293.1934
C21.41061.40412.43802.81712.44882.48662.86403.66961.09312.16723.42883.91093.43624.3538
C32.43371.40411.40872.43862.82043.78224.26674.81442.18261.09392.17373.42973.91245.6006
C42.81052.43801.40871.40802.44044.30235.08435.01523.43732.17291.09412.17183.43305.9231
C52.43282.81712.43861.40801.40563.81494.84274.16683.90993.42992.17261.09392.17505.1308
C61.41102.44882.82042.44041.40562.53643.67012.76123.43043.91433.43062.16761.09213.7268
C71.49242.48663.78224.30233.81492.53641.22291.36772.66164.65285.39634.70032.75991.8757
O82.41222.86404.26675.08434.84273.67011.22292.27052.53604.93326.15805.80203.98132.2794
O92.38073.66964.81445.01524.16682.76121.36772.27054.00595.78806.08344.81342.41570.9738
H102.16271.09312.18263.43733.90993.43042.66162.53604.00592.51744.34385.00384.32634.4890
H113.42552.16721.09392.17293.42993.91434.65284.93325.78802.51742.50344.33325.00636.5146
H123.90463.42882.17371.09412.17263.43065.39636.15806.08344.34382.50342.50124.33647.0029
H133.42463.91093.42972.17181.09392.16764.70035.80204.81345.00384.33322.50122.50415.7866
H142.17293.43623.91243.43302.17501.09212.75993.98132.41574.32635.00634.33642.50413.3675
H153.19344.35385.60065.92315.13083.72681.87572.27940.97384.48906.51467.00295.78663.3675

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 119.682 C1 C2 H10 118.958
C1 C6 C5 119.479 C1 C6 H14 119.936
C1 C7 O8 125.047 C1 C7 O9 112.619
C2 C1 C6 120.426 C2 C1 C7 117.840
C2 C3 C4 120.166 C2 C3 H11 119.845
C3 C2 H10 121.360 C3 C4 C5 119.941
C3 C4 H12 120.051 C4 C3 H11 119.989
C4 C5 C6 120.306 C4 C5 H13 119.946
C5 C4 H12 120.008 C5 C6 H14 120.585
C6 C1 C7 121.734 C6 C5 H13 119.748
C7 O9 H15 105.222 O8 C7 O9 122.334
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability