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

using model chemistry: CID/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 CID/6-31G*
 hartrees
Energy at 0K-209.387905
Energy at 298.15K-209.392459
HF Energy-208.809122
Nuclear repulsion energy138.787532
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 CID/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' 3315 3062 3.38      
2 A' 3294 3042 7.14      
3 A' 3251 3003 11.49      
4 A' 3159 2918 13.06      
5 A' 2482 2293 19.54      
6 A' 1829 1689 14.75      
7 A' 1581 1460 13.84      
8 A' 1514 1399 1.83      
9 A' 1407 1300 0.97      
10 A' 1389 1283 0.34      
11 A' 1197 1106 0.21      
12 A' 1086 1003 4.84      
13 A' 962 889 4.89      
14 A' 585 541 0.17      
15 A' 412 381 1.59      
16 A' 186 172 5.13      
17 A" 3225 2979 12.47      
18 A" 1570 1450 8.71      
19 A" 1144 1057 1.10      
20 A" 1045 965 42.64      
21 A" 850 785 2.48      
22 A" 511 472 6.20      
23 A" 196 181 1.43      
24 A" 183 169 1.12      

Unscaled Zero Point Vibrational Energy (zpe) 18186.0 cm-1
Scaled (by 0.9237) Zero Point Vibrational Energy (zpe) 16798.5 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 CID/6-31G*
ABC
1.28032 0.07693 0.07355

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 2.641 0.459 0.000
H2 2.642 -1.076 0.877
H3 2.642 -1.076 -0.877
C4 2.254 -0.557 0.000
H5 0.281 -1.547 0.000
C6 0.760 -0.575 0.000
H7 0.427 1.509 0.000
C8 0.000 0.516 0.000
N9 -2.587 0.397 0.000
C10 -1.435 0.442 0.000

Atom - Atom Distances (Å)
  H1 H2 H3 C4 H5 C6 H7 C8 N9 C10
H11.76791.76791.08783.09722.14672.45022.64175.22824.0757
H21.76791.75441.09022.56192.13553.51483.20645.50224.4373
H31.76791.75441.09022.56192.13553.51483.20645.50224.4373
C41.08781.09021.09022.20691.49392.75792.49644.93383.8216
H53.09722.56192.56192.20691.08303.05882.08163.46432.6266
C62.14672.13552.13551.49391.08302.11051.32983.48512.4191
H72.45023.51483.51482.75793.05882.11051.08073.21252.1455
C82.64173.20643.20642.49642.08161.32981.08072.58961.4365
N95.22825.50225.50224.93383.46433.48513.21252.58961.1531
C104.07574.43734.43733.82162.62662.41912.14551.43651.1531

picture of (E)-2-Butenenitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H1 C4 H2 108.527 H1 C4 H3 108.527
H1 C4 C6 111.535 H2 C4 H3 107.148
H2 C4 C6 110.484 H3 C4 C6 110.484
C4 C6 H5 116.934 C4 C6 C8 124.172
H5 C6 C8 118.894 C6 C8 H7 121.867
C6 C8 C10 121.915 H7 C8 C10 116.217
C8 C10 N9 179.321
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability