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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-246.552295
Energy at 298.15K-246.558013
HF Energy-245.817134
Nuclear repulsion energy162.535903
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 3757 3539 44.02      
2 A 3622 3412 60.91      
3 A 3325 3133 2.23      
4 A 3231 3044 8.90      
5 A 3217 3031 4.68      
6 A 1821 1715 215.57      
7 A 1724 1625 22.71      
8 A 1665 1569 114.50      
9 A 1486 1400 86.14      
10 A 1394 1313 61.65      
11 A 1325 1249 69.17      
12 A 1142 1076 3.57      
13 A 1069 1008 3.63      
14 A 1023 964 36.15      
15 A 971 915 16.42      
16 A 843 794 6.76      
17 A 802 756 27.44      
18 A 630 593 27.17      
19 A 609 574 8.16      
20 A 478 451 10.04      
21 A 470 442 24.80      
22 A 297 280 267.47      
23 A 287 270 9.44      
24 A 99 93 7.19      

Unscaled Zero Point Vibrational Energy (zpe) 17641.8 cm-1
Scaled (by 0.9422) Zero Point Vibrational Energy (zpe) 16622.1 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
0.35460 0.14108 0.10103

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 -0.022
C2 -0.474 0.126 -0.005
N3 -1.612 -0.638 -0.031
O4 -0.507 1.355 -0.006
C5 1.972 -0.027 0.019
H6 0.740 -1.743 -0.072
H7 -2.487 -0.150 0.113
H8 -1.587 -1.620 0.201
H9 2.000 1.057 0.062
H10 2.913 -0.566 0.008

Atom - Atom Distances (Å)
  C1 C2 N3 O4 C5 H6 H7 H8 H9 H10
C11.49152.40732.39781.33641.08793.32362.57852.09772.1201
C21.49151.37101.22972.45092.22972.03512.08082.64413.4567
N32.40731.37102.27863.63652.59931.01171.00963.99114.5259
O42.39781.22972.27862.83903.34082.48913.17162.52623.9231
C51.33642.45093.63652.83902.11524.46173.90371.08491.0843
H61.08792.22972.59933.34082.11523.60342.34593.07382.4729
H73.32362.03511.01172.48914.46173.60341.72614.64655.4167
H82.57852.08081.00963.17163.90372.34591.72614.47794.6256
H92.09772.64413.99112.52621.08493.07384.64654.47791.8628
H102.12013.45674.52593.92311.08432.47295.41674.62561.8628

picture of Acrylamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 114.421 C1 C2 O4 123.279
C1 C5 H9 119.709 C1 C5 H10 121.940
C2 C1 C5 120.051 C2 C1 H6 118.797
C2 N3 H7 116.517 C2 N3 H8 121.119
N3 C2 O4 122.272 C5 C1 H6 121.151
H7 N3 H8 117.296 H9 C5 H10 118.350
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability