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All results from a given calculation for CH2CHCONH2 (Acrylamide)

using model chemistry: MP2/CEP-121G

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/CEP-121G
 hartrees
Energy at 0K-45.131791
Energy at 298.15K-45.137286
HF Energy-44.638311
Nuclear repulsion energy85.819561
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/CEP-121G
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 3718 3629 27.31      
2 A 3556 3470 47.82      
3 A 3220 3143 10.13      
4 A 3121 3046 18.20      
5 A 3099 3025 9.50      
6 A 1707 1666 175.77      
7 A 1643 1603 12.55      
8 A 1619 1580 132.55      
9 A 1461 1426 70.33      
10 A 1347 1314 58.14      
11 A 1302 1271 134.21      
12 A 1104 1078 6.00      
13 A 1061 1036 9.81      
14 A 973 950 44.87      
15 A 860 839 33.24      
16 A 803 784 2.59      
17 A 719 702 12.87      
18 A 595 580 7.28      
19 A 573 559 29.91      
20 A 454 443 4.87      
21 A 443 433 74.57      
22 A 299 291 251.28      
23 A 267 261 7.80      
24 A 55 53 3.70      

Unscaled Zero Point Vibrational Energy (zpe) 16998.7 cm-1
Scaled (by 0.976) Zero Point Vibrational Energy (zpe) 16590.8 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/CEP-121G
ABC
0.33564 0.13388 0.09571

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/CEP-121G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.820 -0.663 -0.000
C2 0.484 0.121 -0.000
N3 1.645 -0.663 -0.000
O4 0.540 1.400 -0.000
C5 -2.031 -0.026 0.000
H6 -0.757 -1.757 -0.000
H7 2.545 -0.193 0.000
H8 1.617 -1.675 0.001
H9 -2.078 1.066 0.000
H10 -2.967 -0.587 -0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 C5 H6 H7 H8 H9 H10
C11.52152.46492.47061.36801.09623.39722.63892.13822.1490
C21.52151.40091.28002.51902.25142.08442.12382.73093.5235
N32.46491.40092.34033.73052.63961.01491.01274.10504.6132
O42.47061.28002.34032.93953.41312.56063.25842.63934.0311
C51.36802.51903.73052.93952.14934.57834.00321.09291.0920
H61.09622.25142.63963.41312.14933.65342.37553.11692.5011
H73.39722.08441.01492.56064.57833.65341.74854.79125.5262
H82.63892.12381.01273.25844.00322.37551.74854.60094.7119
H92.13822.73094.10502.63931.09293.11694.79124.60091.8770
H102.14903.52354.61324.03111.09202.50115.52624.71191.8770

picture of Acrylamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 114.950 C1 C2 O4 123.514
C1 C5 H9 120.236 C1 C5 H10 121.338
C2 C1 C5 121.239 C2 C1 H6 117.728
C2 N3 H7 118.388 C2 N3 H8 122.449
N3 C2 O4 121.536 C5 C1 H6 121.032
H7 N3 H8 119.163 H9 C5 H10 118.426
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability