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All results from a given calculation for CH2CHCONH2 (Acrylamide)

using model chemistry: QCISD/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 QCISD/3-21G
 hartrees
Energy at 0K-244.972379
Energy at 298.15K-244.978285
HF Energy-244.445608
Nuclear repulsion energy161.099285
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 QCISD/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 3672 3559 25.80      
2 A 3542 3433 41.80      
3 A 3219 3120 5.26      
4 A 3146 3049 9.43      
5 A 3129 3032 5.66      
6 A 1729 1676 172.59      
7 A 1701 1648 31.58      
8 A 1658 1607 42.79      
9 A 1488 1442 47.36      
10 A 1370 1327 35.00      
11 A 1315 1274 160.09      
12 A 1131 1096 5.21      
13 A 1073 1040 7.46      
14 A 1012 981 52.57      
15 A 986 956 2.93      
16 A 819 794 56.67      
17 A 783 759 7.34      
18 A 627 608 5.60      
19 A 624 605 50.32      
20 A 483 469 73.95      
21 A 482 467 5.79      
22 A 392 380 225.29      
23 A 287 278 9.36      
24 A 126 122 6.34      

Unscaled Zero Point Vibrational Energy (zpe) 17397.1 cm-1
Scaled (by 0.9692) Zero Point Vibrational Energy (zpe) 16861.2 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 QCISD/3-21G
ABC
0.34515 0.13955 0.09937

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.801 -0.679 0.000
C2 -0.481 0.128 0.000
N3 -1.629 -0.633 -0.000
O4 -0.490 1.378 0.000
C5 1.979 -0.035 -0.000
H6 0.733 -1.767 0.000
H7 -2.524 -0.157 0.000
H8 -1.613 -1.645 0.000
H9 1.994 1.055 -0.000
H10 2.935 -0.557 -0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 C5 H6 H7 H8 H9 H10
C11.51432.43072.42771.34251.09103.36602.60002.10452.1373
C21.51431.37781.24972.46552.25062.06362.10342.64303.4834
N32.43071.37782.31113.65782.62041.01381.01173.99754.5647
O42.42771.24972.31112.84483.37432.54873.22422.50513.9330
C51.34252.46553.65782.84482.13394.50553.93631.09021.0884
H61.09102.25062.62043.37432.13393.63362.34903.09132.5128
H73.36602.06361.01382.54874.50553.63361.74454.67865.4738
H82.60002.10341.01173.22423.93632.34901.74454.50554.6760
H92.10452.64303.99752.50511.09023.09134.67864.50551.8657
H102.13733.48344.56473.93301.08842.51285.47384.67601.8657

picture of Acrylamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 114.292 C1 C2 O4 122.595
C1 C5 H9 119.421 C1 C5 H10 122.753
C2 C1 C5 119.192 C2 C1 H6 118.603
C2 N3 H7 118.482 C2 N3 H8 122.598
N3 C2 O4 123.113 C5 C1 H6 122.205
H7 N3 H8 118.920 H9 C5 H10 117.827
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability