return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: BLYP/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at BLYP/6-31G*
 hartrees
Energy at 0K-420.682045
Energy at 298.15K-420.688895
HF Energy-420.682045
Nuclear repulsion energy400.948115
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 BLYP/6-31G*
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' 3534 3506 41.72      
2 A' 3149 3123 4.29      
3 A' 3141 3116 6.98      
4 A' 3123 3097 27.60      
5 A' 3112 3087 19.04      
6 A' 3100 3075 0.37      
7 A' 1732 1718 251.37      
8 A' 1598 1585 15.61      
9 A' 1578 1565 4.62      
10 A' 1494 1482 0.62      
11 A' 1452 1440 12.04      
12 A' 1339 1328 24.13      
13 A' 1336 1325 54.25      
14 A' 1316 1306 5.99      
15 A' 1186 1177 37.21      
16 A' 1167 1157 14.53      
17 A' 1162 1153 178.56      
18 A' 1086 1077 11.27      
19 A' 1057 1048 126.87      
20 A' 1020 1012 22.54      
21 A' 990 982 0.95      
22 A' 749 743 5.35      
23 A' 616 611 7.41      
24 A' 613 608 38.35      
25 A' 479 475 6.13      
26 A' 373 370 5.23      
27 A' 210 208 1.21      
28 A" 969 961 0.15      
29 A" 943 936 0.18      
30 A" 920 912 1.31      
31 A" 838 831 0.07      
32 A" 787 781 0.92      
33 A" 704 698 114.51      
34 A" 684 678 1.24      
35 A" 602 597 52.94      
36 A" 424 421 5.49      
37 A" 403 399 0.42      
38 A" 154 153 0.37      
39 A" 67 66 0.77      

Unscaled Zero Point Vibrational Energy (zpe) 24602.1 cm-1
Scaled (by 0.9919) Zero Point Vibrational Energy (zpe) 24402.8 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 BLYP/6-31G*
ABC
0.12677 0.04013 0.03048

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.226 0.000
C2 1.282 -0.368 0.000
C3 1.412 -1.765 0.000
C4 0.263 -2.580 0.000
C5 -1.017 -1.994 0.000
C6 -1.151 -0.595 0.000
C7 -0.080 1.728 0.000
O8 0.890 2.475 0.000
O9 -1.368 2.186 0.000
H10 2.160 0.281 0.000
H11 2.406 -2.220 0.000
H12 0.365 -3.669 0.000
H13 -1.909 -2.626 0.000
H14 -2.141 -0.137 0.000
H15 -1.313 3.165 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 C7 O8 O9 H10 H11 H12 H13 H14 H15
C11.41222.44072.81782.44111.41331.50472.41892.39012.16043.43083.91183.43142.17173.2192
C21.41221.40362.43552.81532.44312.49942.86923.67951.09182.16693.42633.90873.43064.3830
C32.44071.40361.40852.43942.81763.79874.27194.83082.17871.09332.17273.43053.90875.6331
C42.81782.43551.40851.40752.43734.32185.09345.03693.43262.17341.09392.17233.42785.9570
C52.44112.81532.43941.40751.40553.83804.85834.19413.90693.43042.17161.09342.17105.1670
C61.41332.44312.81762.43731.40552.55783.68612.78873.42453.91093.42792.16801.09103.7629
C71.50472.49943.79874.32183.83802.55781.22421.36662.66664.66575.41564.72252.77961.8932
O82.41892.86924.27195.09344.85833.68611.22422.27642.53454.93326.16625.81814.00112.3089
O92.39013.67954.83085.03694.19412.78871.36662.27644.00895.80106.10584.84182.44780.9806
H102.16041.09182.17873.43263.90693.42452.66662.53454.00892.51304.33885.00034.32124.5141
H113.43082.16691.09332.17343.43043.91094.66574.93325.80102.51302.50354.33425.00206.5443
H123.91183.42632.17271.09392.17163.42795.41566.16626.10584.33882.50352.50184.33127.0369
H133.43143.90873.43052.17231.09342.16804.72255.81814.84185.00034.33422.50182.49995.8211
H142.17173.43063.90873.42782.17101.09102.77964.00112.44784.32125.00204.33122.49993.4037
H153.21924.38305.63315.95705.16703.76291.89322.30890.98064.51416.54437.03695.82113.4037

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 120.173 C1 C2 H10 118.702
C1 C6 C5 119.993 C1 C6 H14 119.707
C1 C7 O8 124.522 C1 C7 O9 112.609
C2 C1 C6 119.682 C2 C1 C7 117.893
C2 C3 C4 120.007 C2 C3 H11 119.897
C3 C2 H10 121.125 C3 C4 C5 120.050
C3 C4 H12 119.986 C4 C3 H11 120.096
C4 C5 C6 120.095 C4 C5 H13 120.073
C5 C4 H12 119.964 C5 C6 H14 120.301
C6 C1 C7 122.425 C6 C5 H13 119.832
C7 O9 H15 106.365 O8 C7 O9 122.869
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.130      
2 C -0.140      
3 C -0.107      
4 C -0.090      
5 C -0.105      
6 C -0.148      
7 C 0.469      
8 O -0.447      
9 O -0.541      
10 H 0.133      
11 H 0.111      
12 H 0.110      
13 H 0.110      
14 H 0.130      
15 H 0.387      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.110 -1.496 0.000 1.862
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -48.527 -5.533 0.000
y -5.533 -44.996 0.000
z 0.000 0.000 -52.953
Traceless
 xyz
x 0.448 -5.533 0.000
y -5.533 5.744 0.000
z 0.000 0.000 -6.192
Polar
3z2-r2-12.384
x2-y2-3.531
xy-5.533
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 12.954 -0.399 0.000
y -0.399 16.716 0.000
z 0.000 0.000 4.127


<r2> (average value of r2) Å2
<r2> 334.863
(<r2>)1/2 18.299