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All results from a given calculation for CH3CH2COOH (Propanoic Acid)

using model chemistry: BLYP/cc-pVTZ

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/cc-pVTZ
 hartrees
Energy at 0K-268.423304
Energy at 298.15K-268.430293
HF Energy-268.423304
Nuclear repulsion energy176.615160
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/cc-pVTZ
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' 3588 3578 33.85      
2 A' 3033 3024 23.25      
3 A' 2976 2967 22.08      
4 A' 2962 2953 12.34      
5 A' 1737 1732 238.91      
6 A' 1469 1465 7.71      
7 A' 1426 1422 15.65      
8 A' 1387 1383 5.31      
9 A' 1349 1345 22.70      
10 A' 1268 1264 1.71      
11 A' 1109 1105 167.41      
12 A' 1035 1032 139.86      
13 A' 980 977 1.69      
14 A' 778 775 8.98      
15 A' 589 587 13.12      
16 A' 450 448 18.51      
17 A' 245 244 2.53      
18 A" 3039 3030 24.38      
19 A" 2981 2972 4.60      
20 A" 1462 1458 6.26      
21 A" 1252 1248 0.03      
22 A" 1081 1078 0.14      
23 A" 792 790 12.85      
24 A" 642 641 76.15      
25 A" 506 505 20.73      
26 A" 201 201 0.02      
27 A" 30 29 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 19182.6 cm-1
Scaled (by 0.997) Zero Point Vibrational Energy (zpe) 19125.0 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/cc-pVTZ
ABC
0.33276 0.12449 0.09373

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.577 0.000
C2 -0.589 -0.826 0.000
C3 0.472 -1.934 0.000
O4 -0.992 1.531 0.000
O5 1.181 0.864 0.000
H6 -1.251 -0.904 0.874
H7 -1.251 -0.904 -0.874
H8 -0.010 -2.919 0.000
H9 1.116 -1.865 -0.883
H10 1.116 -1.865 0.883
H11 -0.533 2.396 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 O5 H6 H7 H8 H9 H10 H11
C11.52082.55461.37621.21572.12632.12633.49542.82602.82601.8957
C21.52081.53372.39082.44711.09931.09932.17152.18292.18293.2221
C32.55461.53373.76122.88712.18912.18911.09621.09531.09534.4449
O41.37622.39083.76122.27262.59992.59994.55664.09314.09310.9794
O51.21572.44712.88712.27263.13163.13163.96642.86962.86962.2982
H62.12631.09932.18912.59993.13161.74732.52243.10042.55473.4885
H72.12631.09932.18912.59993.13161.74732.52242.55473.10043.4885
H83.49542.17151.09624.55663.96642.52242.52241.77711.77715.3403
H92.82602.18291.09534.09312.86963.10042.55471.77711.76614.6533
H102.82602.18291.09534.09312.86962.55473.10041.77711.76614.6533
H111.89573.22214.44490.97942.29823.48853.48855.34034.65334.6533

picture of Propanoic Acid state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 113.508 C1 C2 H6 107.397
C1 C2 H7 107.397 C1 O4 H11 105.942
C2 C1 O4 111.131 C2 C1 O5 126.466
C2 C3 H8 110.206 C2 C3 H9 111.163
C2 C3 H10 111.163 C3 C2 H6 111.415
C3 C2 H7 111.415 O4 C1 O5 122.402
H6 C2 H7 105.257 H8 C3 H9 108.369
H8 C3 H10 108.369 H9 C3 H10 107.460
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.270      
2 C -0.175      
3 C -0.262      
4 O -0.253      
5 O -0.279      
6 H 0.107      
7 H 0.107      
8 H 0.089      
9 H 0.096      
10 H 0.096      
11 H 0.204      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.467 -0.383 0.000 1.516
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.066 -0.659 0.000
y -0.659 -26.056 0.000
z 0.000 0.000 -29.880
Traceless
 xyz
x -7.098 -0.659 0.000
y -0.659 6.417 0.000
z 0.000 0.000 0.681
Polar
3z2-r21.362
x2-y2-9.011
xy-0.659
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.879 -0.239 0.000
y -0.239 7.882 0.000
z 0.000 0.000 5.087


<r2> (average value of r2) Å2
<r2> 126.485
(<r2>)1/2 11.247