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

using model chemistry: B2PLYP/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/cc-pVDZ
 hartrees
Energy at 0K-268.154391
Energy at 298.15K-268.161581
HF Energy-267.895254
Nuclear repulsion energy177.877343
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/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' 3737 3579 58.05      
2 A' 3159 3025 19.95      
3 A' 3077 2946 9.43      
4 A' 3072 2943 22.32      
5 A' 1834 1757 241.06      
6 A' 1492 1429 13.48      
7 A' 1452 1391 12.02      
8 A' 1429 1368 33.06      
9 A' 1410 1351 25.28      
10 A' 1314 1259 0.77      
11 A' 1184 1134 236.28      
12 A' 1098 1051 51.64      
13 A' 1020 977 2.41      
14 A' 828 793 9.06      
15 A' 614 588 21.29      
16 A' 468 449 19.67      
17 A' 253 242 2.61      
18 A" 3165 3031 19.39      
19 A" 3111 2979 4.93      
20 A" 1484 1421 6.13      
21 A" 1281 1226 0.03      
22 A" 1109 1063 0.25      
23 A" 815 781 17.08      
24 A" 671 643 84.65      
25 A" 526 504 21.00      
26 A" 220 211 0.00      
27 A" 52 50 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 19937.4 cm-1
Scaled (by 0.9577) Zero Point Vibrational Energy (zpe) 19094.1 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/cc-pVDZ
ABC
0.33653 0.12715 0.09556

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.572 0.000
C2 -0.606 -0.813 0.000
C3 0.448 -1.915 0.000
O4 -0.959 1.532 0.000
O5 1.184 0.831 0.000
H6 -1.270 -0.883 0.877
H7 -1.270 -0.883 -0.877
H8 -0.029 -2.906 0.000
H9 1.095 -1.838 -0.886
H10 1.095 -1.838 0.886
H11 -0.476 2.378 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 O5 H6 H7 H8 H9 H10 H11
C11.51152.52651.35731.21182.12062.12063.47762.79122.79121.8678
C21.51151.52452.37212.43031.10271.10272.17072.17412.17413.1937
C32.52651.52453.72342.84292.18812.18811.09991.09931.09934.3909
O41.35732.37213.72342.25422.58822.58824.53474.04514.04510.9736
O51.21182.43032.84292.25423.11893.11893.92892.81412.81412.2683
H62.12061.10272.18812.58823.11891.75492.53073.10072.55053.4685
H72.12061.10272.18812.58823.11891.75492.53072.55053.10073.4685
H83.47762.17071.09994.53473.92892.53072.53071.78521.78525.3025
H92.79122.17411.09934.04512.81413.10072.55051.78521.77184.5854
H102.79122.17411.09934.04512.81412.55053.10071.78521.77184.5854
H111.86783.19374.39090.97362.26833.46853.46855.30254.58544.5854

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 112.644 C1 C2 H6 107.392
C1 C2 H7 107.392 C1 O4 H11 105.319
C2 C1 O4 111.442 C2 C1 O5 125.996
C2 C3 H8 110.562 C2 C3 H9 110.864
C2 C3 H10 110.864 C3 C2 H6 111.783
C3 C2 H7 111.783 O4 C1 O5 122.563
H6 C2 H7 105.446 H8 C3 H9 108.532
H8 C3 H10 108.532 H9 C3 H10 107.381
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.174      
2 C -0.081      
3 C -0.026      
4 O -0.192      
5 O -0.243      
6 H 0.054      
7 H 0.054      
8 H 0.024      
9 H 0.041      
10 H 0.041      
11 H 0.155      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.387 -0.175 0.000 1.398
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.484 -0.392 0.000
y -0.392 -25.558 0.000
z 0.000 0.000 -29.357
Traceless
 xyz
x -7.026 -0.392 0.000
y -0.392 6.362 0.000
z 0.000 0.000 0.664
Polar
3z2-r21.328
x2-y2-8.926
xy-0.392
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.987 -0.151 0.000
y -0.151 6.627 0.000
z 0.000 0.000 4.302


<r2> (average value of r2) Å2
<r2> 124.198
(<r2>)1/2 11.144