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All results from a given calculation for CH2CHCONH2 (Acrylamide)

using model chemistry: MP2=FULL/6-31G**

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=FULL/6-31G**
 hartrees
Energy at 0K-246.595977
Energy at 298.15K-246.601672
HF Energy-245.831022
Nuclear repulsion energy162.748577
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=FULL/6-31G**
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 3832 3581 43.64      
2 A 3685 3443 58.73      
3 A 3361 3141 2.43      
4 A 3262 3048 10.47      
5 A 3247 3034 4.15      
6 A 1822 1703 216.16      
7 A 1730 1617 21.64      
8 A 1668 1558 110.14      
9 A 1489 1391 79.44      
10 A 1392 1301 64.09      
11 A 1323 1236 73.35      
12 A 1139 1064 2.91      
13 A 1066 996 3.32      
14 A 1030 962 30.68      
15 A 972 909 15.43      
16 A 843 787 6.32      
17 A 798 746 23.70      
18 A 628 587 23.96      
19 A 609 569 7.06      
20 A 477 446 10.52      
21 A 469 438 16.31      
22 A 286 267 8.36      
23 A 269 251 252.16      
24 A 98 91 7.55      

Unscaled Zero Point Vibrational Energy (zpe) 17747.0 cm-1
Scaled (by 0.9344) Zero Point Vibrational Energy (zpe) 16582.8 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=FULL/6-31G**
ABC
0.35500 0.14142 0.10122

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.795 -0.658 -0.020
C2 0.474 0.126 -0.005
N3 1.611 -0.638 -0.029
O4 0.506 1.355 -0.005
C5 -1.971 -0.027 0.017
H6 -0.740 -1.739 -0.063
H7 2.483 -0.155 0.103
H8 1.582 -1.618 0.183
H9 -1.993 1.052 0.054
H10 -2.906 -0.564 0.007

Atom - Atom Distances (Å)
  C1 C2 N3 O4 C5 H6 H7 H8 H9 H10
C11.49132.40522.39701.33561.08273.31782.57092.09012.1142
C21.49131.36971.22922.44952.22592.03122.07492.63593.4500
N32.40521.36972.27813.63342.59591.00561.00343.98134.5177
O42.39701.22922.27812.83663.33582.48903.16702.51873.9154
C51.33562.44953.63342.83662.11004.45613.89631.07991.0790
H61.08272.22592.59593.33582.11003.59472.33793.06182.4654
H73.31782.03121.00562.48904.45613.59471.72034.63605.4054
H82.57092.07491.00343.16703.89632.33791.72034.46424.6137
H92.09012.63593.98132.51871.07993.06184.63604.46421.8571
H102.11423.45004.51773.91541.07902.46545.40544.61371.8571

picture of Acrylamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 114.352 C1 C2 O4 123.255
C1 C5 H9 119.455 C1 C5 H10 121.870
C2 C1 C5 120.004 C2 C1 H6 118.846
C2 N3 H7 116.712 C2 N3 H8 121.156
N3 C2 O4 122.368 C5 C1 H6 121.149
H7 N3 H8 117.806 H9 C5 H10 118.675
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability