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

using model chemistry: CCD/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CCD/cc-pVTZ
 hartrees
Energy at 0K-267.944176
Energy at 298.15K-267.951424
HF Energy-266.951958
Nuclear repulsion energy179.063092
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 CCD/cc-pVTZ
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' 3850 3595 72.15      
2 A' 3158 2949 18.92      
3 A' 3086 2881 7.77      
4 A' 3080 2876 18.59      
5 A' 1896 1770 275.32      
6 A' 1526 1424 13.14      
7 A' 1489 1390 12.59      
8 A' 1458 1361 43.62      
9 A' 1438 1343 29.41      
10 A' 1343 1254 0.96      
11 A' 1209 1129 255.29      
12 A' 1114 1040 44.89      
13 A' 1031 963 1.36      
14 A' 842 786 8.99      
15 A' 630 588 23.34      
16 A' 476 444 19.16      
17 A' 255 238 2.53      
18 A" 3163 2953 19.63      
19 A" 3122 2915 2.38      
20 A" 1517 1417 6.44      
21 A" 1306 1220 0.08      
22 A" 1133 1058 0.53      
23 A" 826 772 14.02      
24 A" 657 614 84.49      
25 A" 531 496 27.73      
26 A" 217 203 0.01      
27 A" 60 56 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 20205.0 cm-1
Scaled (by 0.9337) Zero Point Vibrational Energy (zpe) 18865.4 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 CCD/cc-pVTZ
ABC
0.34252 0.12827 0.09662

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.570 0.000
C2 -0.602 -0.810 0.000
C3 0.451 -1.907 0.000
O4 -0.953 1.524 0.000
O5 1.171 0.828 0.000
H6 -1.256 -0.879 0.870
H7 -1.256 -0.879 -0.870
H8 -0.022 -2.887 0.000
H9 1.090 -1.831 -0.878
H10 1.090 -1.831 0.878
H11 -0.489 2.368 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 O5 H6 H7 H8 H9 H10 H11
C11.50542.51751.34871.19892.10572.10573.45702.77892.77891.8634
C21.50541.52052.36072.41341.09101.09102.15632.16202.16203.1800
C32.51751.52053.70752.82792.17452.17451.08871.08811.08814.3770
O41.34872.36073.70752.23492.57412.57414.50854.02514.02510.9628
O51.19892.41342.82792.23493.09193.09193.90202.80122.80122.2640
H62.10571.09102.17452.57413.09191.74082.51213.07652.53153.4481
H72.10571.09102.17452.57413.09191.74082.51212.53153.07653.4481
H83.45702.15631.08874.50853.90202.51212.51211.76731.76735.2757
H92.77892.16201.08814.02512.80123.07652.53151.76731.75554.5710
H102.77892.16201.08814.02512.80122.53153.07651.76731.75554.5710
H111.86343.18004.37700.96282.26403.44813.44815.27574.57104.5710

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 112.608 C1 C2 H6 107.317
C1 C2 H7 107.317 C1 O4 H11 106.236
C2 C1 O4 111.494 C2 C1 O5 125.991
C2 C3 H8 110.364 C2 C3 H9 110.861
C2 C3 H10 110.861 C3 C2 H6 111.689
C3 C2 H7 111.689 O4 C1 O5 122.515
H6 C2 H7 105.847 H8 C3 H9 108.559
H8 C3 H10 108.559 H9 C3 H10 107.543
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability