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

using model chemistry: MP2=FULL/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 MP2=FULL/STO-3G
 hartrees
Energy at 0K-413.497474
Energy at 298.15K-413.503923
HF Energy-412.970432
Nuclear repulsion energy395.049602
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=FULL/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' 3852 3424 21.58      
2 A' 3530 3138 1.16      
3 A' 3524 3133 7.74      
4 A' 3517 3126 3.60      
5 A' 3510 3120 0.68      
6 A' 3505 3116 1.33      
7 A' 1827 1624 35.53      
8 A' 1742 1548 2.42      
9 A' 1721 1530 2.28      
10 A' 1631 1450 2.12      
11 A' 1579 1404 15.70      
12 A' 1536 1365 55.69      
13 A' 1427 1268 6.71      
14 A' 1327 1180 115.10      
15 A' 1301 1156 3.47      
16 A' 1262 1121 7.61      
17 A' 1218 1083 0.26      
18 A' 1168 1038 41.28      
19 A' 1146 1019 19.48      
20 A' 1101 979 2.08      
21 A' 1066 948 1.03      
22 A' 790 703 5.97      
23 A' 657 584 0.01      
24 A' 608 540 37.18      
25 A' 481 428 2.76      
26 A' 362 322 5.03      
27 A' 178 159 0.24      
28 A" 1078 958 0.05      
29 A" 1064 946 0.00      
30 A" 1004 892 0.72      
31 A" 936 832 0.00      
32 A" 827 735 6.60      
33 A" 760 676 6.40      
34 A" 669 595 32.29      
35 A" 605 537 50.97      
36 A" 445 395 1.95      
37 A" 436 388 0.17      
38 A" 163 145 0.30      
39 A" 54 48 0.07      

Unscaled Zero Point Vibrational Energy (zpe) 26803.3 cm-1
Scaled (by 0.8889) Zero Point Vibrational Energy (zpe) 23825.4 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 MP2=FULL/STO-3G
ABC
0.12354 0.03880 0.02953

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.214 0.000
C2 1.330 -0.286 0.000
C3 1.566 -1.680 0.000
C4 0.473 -2.583 0.000
C5 -0.854 -2.087 0.000
C6 -1.094 -0.692 0.000
C7 -0.215 1.739 0.000
O8 0.685 2.622 0.000
O9 -1.595 2.073 0.000
H10 2.169 0.429 0.000
H11 2.598 -2.064 0.000
H12 0.656 -3.668 0.000
H13 -1.703 -2.789 0.000
H14 -2.123 -0.301 0.000
H15 -1.553 3.091 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 C7 O8 O9 H10 H11 H12 H13 H14 H15
C11.42102.45742.83642.45481.42071.54032.50332.44952.17973.45523.93733.45242.18463.2698
C21.42101.41422.45182.83172.45822.54712.97803.75761.10182.18403.44943.93293.45324.4406
C32.45741.41421.41712.45392.83713.85514.39104.90672.19361.10122.18663.45153.93795.7004
C42.83642.45181.41711.41682.45544.37635.20875.09453.45632.18691.10092.18583.45626.0250
C52.45482.83172.45391.41681.41543.87954.95434.22603.93343.45202.18621.10132.19095.2255
C61.42072.45822.83712.45541.41542.58553.76152.81063.45033.93833.45222.18341.10083.8114
C71.54032.54713.85514.37633.87952.58551.26071.41952.72044.73055.47714.76652.79331.9025
O82.50332.97804.39105.20874.95433.76151.26072.34492.64775.06126.29015.91454.05322.2874
O92.44953.75764.90675.09454.22602.81061.41952.34494.10735.89036.16694.86372.43251.0188
H102.17971.10182.19363.45633.93343.45032.72042.64774.10732.52974.36785.03474.35364.5766
H113.45522.18401.10122.18693.45203.93834.73055.06125.89032.52972.51884.36125.03916.6190
H123.93733.44942.18661.10092.18623.45225.47716.29016.16694.36782.51882.51714.36567.1114
H133.45243.93293.45152.18581.10132.18344.76655.91454.86375.03474.36122.51712.52335.8823
H142.18463.45323.93793.45622.19091.10082.79334.05322.43254.35365.03914.36562.52333.4398
H153.26984.44065.70046.02505.22553.81141.90252.28741.01884.57666.61907.11145.88233.4398

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 120.163 C1 C2 H10 118.992
C1 C6 C5 119.891 C1 C6 H14 119.539
C1 C7 O8 126.403 C1 C7 O9 111.641
C2 C1 C6 119.774 C2 C1 C7 118.611
C2 C3 C4 119.983 C2 C3 H11 119.997
C3 C2 H10 120.845 C3 C4 C5 119.973
C3 C4 H12 120.016 C4 C3 H11 120.020
C4 C5 C6 120.216 C4 C5 H13 119.941
C5 C4 H12 120.011 C5 C6 H14 120.570
C6 C1 C7 121.615 C6 C5 H13 119.844
C7 O9 H15 101.298 O8 C7 O9 121.957
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability