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

using model chemistry: BLYP/6-311G**

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/6-311G**
 hartrees
Energy at 0K-268.396112
Energy at 298.15K-268.403092
HF Energy-268.396112
Nuclear repulsion energy176.416656
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/6-311G**
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' 3601 3587 29.16      
2 A' 3032 3020 26.81      
3 A' 2972 2961 23.03      
4 A' 2960 2948 13.74      
5 A' 1745 1738 235.97      
6 A' 1469 1463 8.77      
7 A' 1426 1421 14.75      
8 A' 1384 1379 6.01      
9 A' 1350 1345 26.18      
10 A' 1271 1266 0.15      
11 A' 1111 1107 188.38      
12 A' 1037 1033 120.65      
13 A' 980 976 1.35      
14 A' 779 776 10.39      
15 A' 591 589 14.55      
16 A' 450 448 19.31      
17 A' 245 244 2.45      
18 A" 3038 3026 28.96      
19 A" 2982 2970 5.89      
20 A" 1462 1456 7.21      
21 A" 1247 1242 0.01      
22 A" 1079 1075 0.11      
23 A" 793 790 15.21      
24 A" 651 649 82.77      
25 A" 504 502 20.15      
26 A" 199 198 0.01      
27 A" 27 27 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 19192.3 cm-1
Scaled (by 0.9961) Zero Point Vibrational Energy (zpe) 19117.5 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/6-311G**
ABC
0.33166 0.12434 0.09357

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.578 0.000
C2 -0.592 -0.827 0.000
C3 0.473 -1.935 0.000
O4 -0.992 1.532 0.000
O5 1.182 0.864 0.000
H6 -1.256 -0.905 0.876
H7 -1.256 -0.905 -0.876
H8 -0.005 -2.925 0.000
H9 1.119 -1.863 -0.885
H10 1.119 -1.863 0.885
H11 -0.529 2.395 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 O5 H6 H7 H8 H9 H10 H11
C11.52452.55741.37631.21642.13152.13153.50262.82702.82701.8923
C21.52451.53722.39242.45091.10191.10192.17832.18702.18703.2225
C32.55741.53723.76402.88762.19492.19491.09891.09791.09794.4446
O41.37632.39243.76402.27482.60292.60294.56454.09424.09420.9797
O51.21642.45092.88762.27483.13683.13683.97022.86722.86722.2960
H62.13151.10192.19492.60293.13681.75232.53193.10752.56043.4908
H72.13151.10192.19492.60293.13681.75232.53192.56043.10753.4908
H83.50262.17831.09894.56453.97022.53192.53191.78171.78175.3453
H92.82702.18701.09794.09422.86723.10752.56041.78171.76984.6502
H102.82702.18701.09794.09422.86722.56043.10751.78171.76984.6502
H111.89233.22254.44460.97972.29603.49083.49085.34534.65024.6502

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 113.291 C1 C2 H6 107.406
C1 C2 H7 107.406 C1 O4 H11 105.631
C2 C1 O4 111.022 C2 C1 O5 126.441
C2 C3 H8 110.346 C2 C3 H9 111.092
C2 C3 H10 111.092 C3 C2 H6 111.481
C3 C2 H7 111.481 O4 C1 O5 122.538
H6 C2 H7 105.344 H8 C3 H9 108.393
H8 C3 H10 108.393 H9 C3 H10 107.411
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.295      
2 C -0.253      
3 C -0.275      
4 O -0.303      
5 O -0.299      
6 H 0.135      
7 H 0.135      
8 H 0.102      
9 H 0.113      
10 H 0.113      
11 H 0.236      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.396 -0.276 0.000 1.424
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.005 -0.543 0.000
y -0.543 -25.862 0.000
z 0.000 0.000 -29.753
Traceless
 xyz
x -7.197 -0.543 0.000
y -0.543 6.517 0.000
z 0.000 0.000 0.681
Polar
3z2-r21.362
x2-y2-9.143
xy-0.543
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.454 -0.218 0.000
y -0.218 7.380 0.000
z 0.000 0.000 4.642


<r2> (average value of r2) Å2
<r2> 126.596
(<r2>)1/2 11.251