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

using model chemistry: B2PLYP/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B2PLYP/aug-cc-pVDZ
 hartrees
Energy at 0K-268.190160
Energy at 298.15K-268.197300
HF Energy-267.916787
Nuclear repulsion energy177.549100
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 B2PLYP/aug-cc-pVDZ
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 3754 64.43      
2 A' 3149 3149 20.22      
3 A' 3071 3071 5.99      
4 A' 3070 3070 25.17      
5 A' 1790 1790 268.98      
6 A' 1489 1489 10.50      
7 A' 1452 1452 12.85      
8 A' 1414 1414 9.34      
9 A' 1399 1399 45.40      
10 A' 1301 1301 1.07      
11 A' 1163 1163 224.79      
12 A' 1088 1088 88.81      
13 A' 1016 1016 1.33      
14 A' 818 818 5.67      
15 A' 606 606 17.15      
16 A' 465 465 20.40      
17 A' 249 249 2.79      
18 A" 3156 3156 21.23      
19 A" 3107 3107 3.07      
20 A" 1482 1482 6.66      
21 A" 1279 1279 0.05      
22 A" 1106 1106 0.23      
23 A" 806 806 11.84      
24 A" 651 651 88.64      
25 A" 524 524 19.51      
26 A" 213 213 0.01      
27 A" 46 46 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 19831.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 19831.5 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 B2PLYP/aug-cc-pVDZ
ABC
0.33568 0.12634 0.09503

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.571 0.000
C2 -0.598 -0.816 0.000
C3 0.454 -1.922 0.000
O4 -0.968 1.532 0.000
O5 1.184 0.843 0.000
H6 -1.259 -0.886 0.877
H7 -1.259 -0.886 -0.877
H8 -0.033 -2.905 0.000
H9 1.097 -1.851 -0.885
H10 1.097 -1.851 0.885
H11 -0.507 2.386 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 O5 H6 H7 H8 H9 H10 H11
C11.51042.53331.36381.21492.11562.11563.47632.80212.80211.8846
C21.51041.52612.37672.43491.10001.10002.16442.17472.17473.2034
C32.53331.52613.73442.85932.18502.18501.09761.09681.09684.4133
O41.36382.37673.73442.25932.58822.58824.53444.06074.06070.9708
O51.21492.43492.85932.25933.11863.11863.94082.83692.83692.2890
H62.11561.10002.18502.58823.11861.75342.51983.09632.54603.4700
H72.11561.10002.18502.58823.11861.75342.51982.54603.09633.4700
H83.47632.16441.09764.53443.94082.51982.51981.78131.78135.3125
H92.80212.17471.09684.06072.83693.09632.54601.78131.77094.6160
H102.80212.17471.09684.06072.83692.54603.09631.78131.77094.6160
H111.88463.20344.41330.97082.28903.47003.47005.31254.61604.6160

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 113.079 C1 C2 H6 107.237
C1 C2 H7 107.237 C1 O4 H11 106.442
C2 C1 O4 111.462 C2 C1 O5 126.281
C2 C3 H8 110.094 C2 C3 H9 110.960
C2 C3 H10 110.960 C3 C2 H6 111.591
C3 C2 H7 111.591 O4 C1 O5 122.257
H6 C2 H7 105.694 H8 C3 H9 108.535
H8 C3 H10 108.535 H9 C3 H10 107.669
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.576      
2 C 0.430      
3 C 0.731      
4 O -0.459      
5 O -0.527      
6 H -0.175      
7 H -0.175      
8 H -0.189      
9 H -0.179      
10 H -0.179      
11 H 0.145      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.548 -0.504 0.000 1.628
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.659 -0.553 0.000
y -0.553 -26.261 0.000
z 0.000 0.000 -30.082
Traceless
 xyz
x -7.487 -0.553 0.000
y -0.553 6.610 0.000
z 0.000 0.000 0.877
Polar
3z2-r21.755
x2-y2-9.398
xy-0.553
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.273 -0.194 0.000
y -0.194 7.931 0.000
z 0.000 0.000 5.456


<r2> (average value of r2) Å2
<r2> 125.297
(<r2>)1/2 11.194