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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-45.477647
Energy at 298.15K-45.483380
HF Energy-44.751539
Nuclear repulsion energy87.216319
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 3719 3543 29.63      
2 A 3580 3411 41.69      
3 A 3297 3141 3.33      
4 A 3203 3052 12.32      
5 A 3183 3033 4.77      
6 A 1759 1676 250.81      
7 A 1674 1595 27.02      
8 A 1661 1583 82.23      
9 A 1455 1387 85.03      
10 A 1357 1293 65.56      
11 A 1292 1231 74.42      
12 A 1122 1069 12.82      
13 A 1052 1002 5.35      
14 A 997 950 40.86      
15 A 890 848 29.62      
16 A 824 786 8.45      
17 A 767 730 26.31      
18 A 619 590 44.78      
19 A 582 554 28.35      
20 A 475 453 151.28      
21 A 469 446 17.37      
22 A 413 393 110.39      
23 A 274 261 5.66      
24 A 78 75 3.61      

Unscaled Zero Point Vibrational Energy (zpe) 17371.3 cm-1
Scaled (by 0.9528) Zero Point Vibrational Energy (zpe) 16551.4 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 MP2/CEP-121G*
ABC
0.34883 0.13826 0.09924

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 -0.808 -0.661 -0.042
C2 0.463 0.146 -0.014
N3 1.625 -0.615 -0.053
O4 0.488 1.383 -0.015
C5 -2.005 -0.044 0.036
H6 -0.738 -1.745 -0.125
H7 2.475 -0.102 0.159
H8 1.590 -1.572 0.279
H9 -2.050 1.039 0.110
H10 -2.934 -0.606 0.018

Atom - Atom Distances (Å)
  C1 C2 N3 O4 C5 H6 H7 H8 H9 H10
C11.50642.43342.42101.34861.08953.33602.58502.11102.1275
C21.50641.38971.23742.47582.24372.03402.07542.67003.4797
N32.43341.38972.30003.67532.62031.01521.01324.03344.5595
O42.42101.23742.30002.87293.36222.48683.16782.56423.9583
C51.34862.47583.67532.87292.12694.48133.91321.08661.0861
H61.08952.24372.62033.36222.12693.61982.36923.08682.4779
H73.33602.03401.01522.48684.48133.61981.71984.66655.4338
H82.58502.07541.01323.16783.91322.36921.71984.48264.6331
H92.11102.67004.03342.56421.08663.08684.66654.48261.8697
H102.12753.47974.55953.95831.08612.47795.43384.63311.8697

picture of Acrylamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 114.273 C1 C2 O4 123.555
C1 C5 H9 119.806 C1 C5 H10 121.439
C2 C1 C5 120.165 C2 C1 H6 118.732
C2 N3 H7 114.618 C2 N3 H8 118.641
N3 C2 O4 122.102 C5 C1 H6 121.104
H7 N3 H8 115.956 H9 C5 H10 118.753
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability