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All results from a given calculation for CH2CHCONH2 (Acrylamide)

using model chemistry: MP2/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A
Energy calculated at MP2/3-21G*
 hartrees
Energy at 0K-244.939967
Energy at 298.15K-244.945878
HF Energy-244.445768
Nuclear repulsion energy161.170816
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 MP2/3-21G*
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 3705 3525 31.97      
2 A 3567 3394 51.67      
3 A 3279 3119 4.40      
4 A 3195 3040 9.25      
5 A 3180 3025 4.71      
6 A 1739 1655 180.64      
7 A 1706 1623 17.51      
8 A 1668 1587 31.09      
9 A 1506 1433 41.49      
10 A 1383 1316 27.72      
11 A 1321 1257 167.84      
12 A 1137 1082 4.49      
13 A 1076 1024 8.21      
14 A 1036 986 47.77      
15 A 996 948 13.50      
16 A 827 787 47.20      
17 A 788 750 7.29      
18 A 631 601 46.16      
19 A 631 600 4.88      
20 A 488 464 77.81      
21 A 485 461 5.31      
22 A 384 366 227.26      
23 A 288 274 8.93      
24 A 126 120 6.36      

Unscaled Zero Point Vibrational Energy (zpe) 17572.5 cm-1
Scaled (by 0.9513) Zero Point Vibrational Energy (zpe) 16716.7 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 MP2/3-21G*
ABC
0.34371 0.14005 0.09950

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/3-21G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.799 -0.677 -0.000
C2 0.479 0.129 -0.000
N3 1.626 -0.637 0.000
O4 0.490 1.381 -0.000
C5 -1.977 -0.037 0.000
H6 -0.734 -1.763 -0.000
H7 2.522 -0.164 -0.000
H8 1.606 -1.647 -0.000
H9 -1.988 1.050 0.000
H10 -2.928 -0.557 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 C5 H6 H7 H8 H9 H10
C11.51082.42552.42911.34031.08773.36022.59352.09692.1321
C21.51081.37931.25282.46092.24712.06382.10332.63343.4750
N32.42551.37932.31603.65232.61511.01261.01023.98864.5546
O42.42911.25282.31602.84553.37442.55273.22752.50063.9297
C51.34032.46093.65232.84552.12674.50003.92791.08681.0844
H61.08772.24712.61513.37442.12673.62712.34333.07972.5030
H73.36022.06381.01262.55274.50003.62711.74254.67055.4637
H82.59352.10331.01023.22753.92792.34331.74254.49374.6631
H92.09692.63343.98862.50061.08683.07974.67054.49371.8618
H102.13213.47504.55463.92971.08442.50305.46374.66311.8618

picture of Acrylamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 114.046 C1 C2 O4 122.759
C1 C5 H9 119.156 C1 C5 H10 122.773
C2 C1 C5 119.224 C2 C1 H6 118.815
C2 N3 H7 118.465 C2 N3 H8 122.590
N3 C2 O4 123.195 C5 C1 H6 121.961
H7 N3 H8 118.945 H9 C5 H10 118.071
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability