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

using model chemistry: MP2/LANL2DZ

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/LANL2DZ
 hartrees
Energy at 0K-419.020792
Energy at 298.15K-419.027547
HF Energy-418.194500
Nuclear repulsion energy395.774587
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/LANL2DZ
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' 3618 3484 65.43      
2 A' 3227 3108 6.30      
3 A' 3212 3093 21.72      
4 A' 3199 3081 20.50      
5 A' 3184 3067 12.00      
6 A' 3170 3053 0.24      
7 A' 1666 1604 193.69      
8 A' 1614 1554 10.53      
9 A' 1593 1534 18.63      
10 A' 1507 1451 10.29      
11 A' 1466 1412 12.41      
12 A' 1376 1325 2.85      
13 A' 1360 1310 0.41      
14 A' 1339 1290 89.54      
15 A' 1223 1178 1.71      
16 A' 1202 1158 0.06      
17 A' 1187 1143 130.74      
18 A' 1100 1059 4.49      
19 A' 1040 1002 19.80      
20 A' 1017 980 201.78      
21 A' 991 954 63.79      
22 A' 746 718 1.19      
23 A' 627 604 0.44      
24 A' 602 580 41.68      
25 A' 486 468 7.10      
26 A' 372 358 9.94      
27 A' 213 205 0.89      
28 A" 902 869 1.18      
29 A" 898 865 0.00      
30 A" 867 835 2.71      
31 A" 818 788 0.06      
32 A" 766 738 6.55      
33 A" 684 659 202.83      
34 A" 649 625 12.73      
35 A" 584 562 105.35      
36 A" 412 397 12.51      
37 A" 397 383 0.30      
38 A" 156 150 1.13      
39 A" 55 53 0.59      

Unscaled Zero Point Vibrational Energy (zpe) 24762.5 cm-1
Scaled (by 0.9631) Zero Point Vibrational Energy (zpe) 23848.7 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/LANL2DZ
ABC
0.12260 0.03932 0.02977

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/LANL2DZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.226 0.000
C2 1.333 -0.288 0.000
C3 1.544 -1.694 0.000
C4 0.432 -2.586 0.000
C5 -0.896 -2.067 0.000
C6 -1.119 -0.662 0.000
C7 -0.183 1.719 0.000
O8 0.736 2.580 0.000
O9 -1.548 2.093 0.000
H10 2.174 0.410 0.000
H11 2.564 -2.090 0.000
H12 0.597 -3.668 0.000
H13 -1.750 -2.751 0.000
H14 -2.131 -0.253 0.000
H15 -1.634 3.079 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 C7 O8 O9 H10 H11 H12 H13 H14 H15
C11.42892.46362.84502.46121.42831.50412.46642.42542.18203.45533.93943.45272.18413.2875
C21.42891.42132.46852.85162.48072.51512.92943.73771.09332.18243.45913.94593.46444.4875
C32.46361.42131.42622.46842.85653.82464.34934.88892.19641.09422.18973.45973.94755.7337
C42.84502.46851.42621.42582.47194.34875.17505.08113.46642.18911.09442.18823.46596.0298
C52.46122.85162.46841.42581.42263.85204.92464.21073.94473.46002.18961.09432.19425.1979
C61.42832.48072.85652.47191.42262.55803.73482.78803.46353.95073.46202.18211.09123.7755
C71.50412.51513.82464.34873.85202.55801.25911.41542.69564.69625.44314.73622.77211.9886
O82.46642.92944.34935.17504.92463.73481.25912.33492.60275.01526.24945.88164.03052.4217
O92.42543.73774.88895.08114.21072.78801.41542.33494.08455.86596.14784.84802.41790.9891
H102.18201.09332.19643.46643.94473.46352.69562.60274.08452.53114.37285.03904.35604.6496
H113.45532.18241.09422.18913.46003.95074.69625.01525.86592.53112.52134.36445.04186.6588
H123.93943.45912.18971.09442.18963.46205.44316.24946.14784.37282.52132.52054.37117.1061
H133.45273.94593.45972.18821.09432.18214.73625.88164.84805.03904.36442.52052.52625.8303
H142.18413.46443.94753.46592.19421.09122.77214.03052.41794.35605.04184.37112.52623.3687
H153.28754.48755.73376.02985.19793.77551.98862.42170.98914.64966.65887.10615.83033.3687

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 119.621 C1 C2 H10 119.200
C1 C6 C5 119.377 C1 C6 H14 119.605
C1 C7 O8 126.167 C1 C7 O9 112.320
C2 C1 C6 120.509 C2 C1 C7 118.055
C2 C3 C4 120.203 C2 C3 H11 119.794
C3 C2 H10 121.179 C3 C4 C5 119.881
C3 C4 H12 120.048 C4 C3 H11 120.002
C4 C5 C6 120.408 C4 C5 H13 119.946
C5 C4 H12 120.071 C5 C6 H14 121.018
C6 C1 C7 121.436 C6 C5 H13 119.646
C7 O9 H15 110.339 O8 C7 O9 121.513
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability