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

using model chemistry: B3LYP/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 B3LYP/6-31G**
 hartrees
Energy at 0K-268.409106
Energy at 298.15K-268.416218
HF Energy-268.409106
Nuclear repulsion energy177.851251
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 B3LYP/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' 3754 3607 44.66      
2 A' 3136 3013 22.37      
3 A' 3063 2943 19.22      
4 A' 3052 2932 12.39      
5 A' 1847 1775 250.85      
6 A' 1515 1456 9.74      
7 A' 1474 1416 11.92      
8 A' 1434 1377 4.51      
9 A' 1418 1363 52.02      
10 A' 1316 1265 2.90      
11 A' 1179 1132 242.26      
12 A' 1090 1047 55.84      
13 A' 1014 974 1.56      
14 A' 819 787 11.66      
15 A' 613 589 20.50      
16 A' 466 447 20.52      
17 A' 251 242 2.89      
18 A" 3142 3019 22.23      
19 A" 3083 2962 5.56      
20 A" 1509 1450 5.32      
21 A" 1284 1234 0.04      
22 A" 1113 1069 0.42      
23 A" 816 784 19.69      
24 A" 671 645 94.87      
25 A" 518 498 20.57      
26 A" 209 201 0.01      
27 A" 38 37 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 19912.1 cm-1
Scaled (by 0.9608) Zero Point Vibrational Energy (zpe) 19131.6 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 B3LYP/6-31G**
ABC
0.33731 0.12661 0.09528

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.573 0.000
C2 -0.602 -0.815 0.000
C3 0.451 -1.920 0.000
O4 -0.961 1.532 0.000
O5 1.182 0.839 0.000
H6 -1.263 -0.887 0.872
H7 -1.263 -0.887 -0.872
H8 -0.028 -2.904 0.000
H9 1.094 -1.848 -0.881
H10 1.094 -1.848 0.881
H11 -0.490 2.383 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 O5 H6 H7 H8 H9 H10 H11
C11.51322.53381.35771.21102.11852.11853.47692.79912.79911.8749
C21.51321.52642.37472.43241.09701.09702.16622.17232.17233.1999
C32.53381.52643.73002.85412.18342.18341.09361.09291.09294.4047
O41.35772.37473.73002.25192.58932.58934.53314.05294.05290.9721
O51.21102.43242.85412.25193.11703.11703.93282.82912.82912.2756
H62.11851.09702.18342.58933.11701.74452.52123.09092.54573.4712
H72.11851.09702.18342.58933.11701.74452.52122.54573.09093.4712
H83.47692.16621.09364.53313.93282.52122.52121.77391.77395.3067
H92.79912.17231.09294.05292.82913.09092.54571.77391.76174.6028
H102.79912.17231.09294.05292.82912.54573.09091.77391.76174.6028
H111.87493.19994.40470.97212.27563.47123.47125.30674.60284.6028

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 112.940 C1 C2 H6 107.446
C1 C2 H7 107.446 C1 O4 H11 105.978
C2 C1 O4 111.504 C2 C1 O5 126.117
C2 C3 H8 110.452 C2 C3 H9 110.985
C2 C3 H10 110.985 C3 C2 H6 111.627
C3 C2 H7 111.627 O4 C1 O5 122.379
H6 C2 H7 105.341 H8 C3 H9 108.451
H8 C3 H10 108.451 H9 C3 H10 107.406
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.570      
2 C -0.257      
3 C -0.308      
4 O -0.487      
5 O -0.462      
6 H 0.137      
7 H 0.137      
8 H 0.101      
9 H 0.124      
10 H 0.124      
11 H 0.321      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.451 -0.243 0.000 1.471
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.273 -0.530 0.000
y -0.530 -24.935 0.000
z 0.000 0.000 -29.050
Traceless
 xyz
x -7.281 -0.530 0.000
y -0.530 6.727 0.000
z 0.000 0.000 0.554
Polar
3z2-r21.107
x2-y2-9.339
xy-0.530
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.862 -0.095 0.000
y -0.095 6.474 0.000
z 0.000 0.000 4.192


<r2> (average value of r2) Å2
<r2> 124.230
(<r2>)1/2 11.146