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

using model chemistry: PBEPBE/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBEPBE/Def2TZVPP
 hartrees
Energy at 0K-268.201179
Energy at 298.15K-268.208179
HF Energy-268.201179
Nuclear repulsion energy177.431354
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 PBEPBE/Def2TZVPP
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' 3632 3588 41.39      
2 A' 3059 3022 16.77      
3 A' 2987 2951 19.60      
4 A' 2974 2938 10.43      
5 A' 1758 1737 251.72      
6 A' 1451 1433 10.31      
7 A' 1404 1387 17.38      
8 A' 1368 1352 5.29      
9 A' 1353 1337 45.97      
10 A' 1261 1245 1.40      
11 A' 1121 1107 186.84      
12 A' 1051 1038 99.28      
13 A' 989 977 2.91      
14 A' 794 785 10.73      
15 A' 592 585 14.21      
16 A' 453 448 19.42      
17 A' 243 240 2.81      
18 A" 3063 3026 17.40      
19 A" 3003 2966 2.57      
20 A" 1443 1426 7.73      
21 A" 1238 1223 0.06      
22 A" 1067 1054 0.09      
23 A" 786 776 15.45      
24 A" 645 637 74.98      
25 A" 506 500 21.48      
26 A" 201 199 0.01      
27 A" 40 39 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 19240.3 cm-1
Scaled (by 0.9879) Zero Point Vibrational Energy (zpe) 19007.5 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 PBEPBE/Def2TZVPP
ABC
0.33512 0.12621 0.09490

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.573 0.000
C2 -0.597 -0.817 0.000
C3 0.456 -1.920 0.000
O4 -0.972 1.530 0.000
O5 1.184 0.843 0.000
H6 -1.262 -0.890 0.875
H7 -1.262 -0.890 -0.875
H8 -0.022 -2.908 0.000
H9 1.101 -1.847 -0.885
H10 1.101 -1.847 0.885
H11 -0.503 2.387 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 O5 H6 H7 H8 H9 H10 H11
C11.51262.53401.36401.21392.12092.12093.48032.80172.80171.8830
C21.51261.52542.37652.43421.10141.10142.16832.17442.17443.2057
C32.53401.52543.73372.85662.18652.18651.09741.09711.09714.4127
O41.36402.37653.73372.26232.58932.58934.53784.05984.05980.9774
O51.21392.43422.85662.26233.12253.12253.93922.83252.83252.2869
H62.12091.10142.18652.58933.12251.74962.52483.09812.55003.4760
H72.12091.10142.18652.58933.12251.74962.52482.55003.09813.4760
H83.48032.16831.09744.53783.93922.52482.52481.78021.78025.3166
H92.80172.17441.09714.05982.83253.09812.55001.78021.76944.6134
H102.80172.17441.09714.05982.83252.55003.09811.78021.76944.6134
H111.88303.20574.41270.97742.28693.47603.47605.31664.61344.6134

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 113.049 C1 C2 H6 107.417
C1 C2 H7 107.417 C1 O4 H11 105.880
C2 C1 O4 111.302 C2 C1 O5 126.107
C2 C3 H8 110.458 C2 C3 H9 110.965
C2 C3 H10 110.965 C3 C2 H6 111.674
C3 C2 H7 111.674 O4 C1 O5 122.592
H6 C2 H7 105.173 H8 C3 H9 108.426
H8 C3 H10 108.426 H9 C3 H10 107.493
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.223      
2 C -0.126      
3 C -0.231      
4 O -0.238      
5 O -0.277      
6 H 0.091      
7 H 0.091      
8 H 0.082      
9 H 0.088      
10 H 0.088      
11 H 0.208      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.522 -0.378 0.000 1.568
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.945 -0.639 0.000
y -0.639 -25.799 0.000
z 0.000 0.000 -29.787
Traceless
 xyz
x -7.152 -0.639 0.000
y -0.639 6.567 0.000
z 0.000 0.000 0.585
Polar
3z2-r21.170
x2-y2-9.145
xy-0.639
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.080 -0.210 0.000
y -0.210 7.958 0.000
z 0.000 0.000 5.257


<r2> (average value of r2) Å2
<r2> 125.135
(<r2>)1/2 11.186