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All results from a given calculation for C4H5N ((Z)-2-Butenenitrile)

using model chemistry: MP3/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP3/6-31G*
 hartrees
Energy at 0K-209.491513
Energy at 298.15K-209.496045
HF Energy-208.807428
Nuclear repulsion energy141.550454
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 MP3/6-31G*
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 3260 3060 3.10      
2 A 3223 3026 10.15      
3 A 3201 3005 2.93      
4 A 3104 2913 8.43      
5 A 2433 2284 6.58      
6 A 1762 1653 4.10      
7 A 1545 1450 11.21      
8 A 1487 1396 5.49      
9 A 1447 1358 2.34      
10 A 1299 1219 0.21      
11 A 1160 1089 0.34      
12 A 996 935 12.33      
13 A 931 874 1.32      
14 A 673 632 1.62      
15 A 402 378 0.16      
16 A 162 152 4.91      
17 A 3169 2975 10.88      
18 A 1540 1446 8.92      
19 A 1106 1038 0.67      
20 A 987 927 0.25      
21 A 757 711 42.23      
22 A 514 483 1.01      
23 A 280 263 3.21      
24 A 144 135 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 17791.5 cm-1
Scaled (by 0.9386) Zero Point Vibrational Energy (zpe) 16699.1 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 MP3/6-31G*
ABC
0.39551 0.11619 0.09133

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.221 0.240 0.000
N2 -2.210 -0.370 0.000
C3 0.000 1.004 0.000
H4 -0.111 2.084 0.000
C5 1.209 0.424 0.000
H6 2.077 1.081 0.000
C7 1.480 -1.050 0.000
H8 0.555 -1.629 0.000
H9 2.068 -1.327 0.882
H10 2.068 -1.327 -0.882

Atom - Atom Distances (Å)
  C1 N2 C3 H4 C5 H6 C7 H8 H9 H10
C11.16141.44032.15202.43723.40392.99322.57783.74793.7479
N21.16142.60173.22823.50994.52583.75213.03764.47094.4709
C31.44032.60171.08551.34102.07882.53132.69063.23813.2381
H42.15203.22821.08552.12082.40743.51423.77194.14214.1421
C52.43723.50991.34102.12081.08871.49832.15502.14022.1402
H63.40394.52582.07882.40741.08872.21263.10872.56442.5644
C72.99323.75212.53133.51421.49832.21261.09231.09521.0952
H82.57783.03762.69063.77192.15503.10871.09231.77721.7772
H93.74794.47093.23814.14212.14022.56441.09521.77721.7636
H103.74794.47093.23814.14212.14022.56441.09521.77721.7636

picture of (Z)-2-Butenenitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 H4 116.149 C1 C3 C5 122.352
N2 C1 C3 179.612 C3 C5 H6 117.269
C3 C5 C7 126.034 H4 C3 C5 121.499
C5 C7 H8 111.625 C5 C7 H9 110.252
C5 C7 H10 110.252 H6 C5 C7 116.696
H8 C7 H9 108.670 H8 C7 H10 108.670
H9 C7 H10 107.250
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability