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

using model chemistry: TPSSh/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at TPSSh/6-31G(2df,p)
 hartrees
Energy at 0K-210.180945
Energy at 298.15K-210.185372
HF Energy-210.180945
Nuclear repulsion energy138.293407
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 TPSSh/6-31G(2df,p)
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' 3171 3060 10.66      
2 A' 3164 3053 2.92      
3 A' 3118 3009 12.62      
4 A' 3023 2917 15.05      
5 A' 2310 2229 19.49      
6 A' 1695 1635 20.92      
7 A' 1494 1442 15.05      
8 A' 1413 1363 0.73      
9 A' 1333 1287 0.40      
10 A' 1308 1262 1.47      
11 A' 1131 1091 0.05      
12 A' 1039 1003 6.52      
13 A' 903 871 6.70      
14 A' 561 541 0.04      
15 A' 388 375 1.62      
16 A' 172 166 4.18      
17 A" 3077 2970 11.88      
18 A" 1487 1434 6.10      
19 A" 1067 1030 1.23      
20 A" 998 963 29.24      
21 A" 806 778 0.94      
22 A" 501 484 4.65      
23 A" 203 195 1.62      
24 A" 173 167 0.92      

Unscaled Zero Point Vibrational Energy (zpe) 17266.9 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 16662.6 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 TPSSh/6-31G(2df,p)
ABC
1.28843 0.07629 0.07299

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 2.659 0.409 0.000
H2 2.632 -1.137 0.879
H3 2.632 -1.137 -0.879
C4 2.249 -0.605 0.000
H5 0.259 -1.569 0.000
C6 0.755 -0.601 0.000
H7 0.454 1.495 0.000
C8 0.000 0.508 0.000
N9 -2.588 0.469 0.000
C10 -1.424 0.474 0.000

Atom - Atom Distances (Å)
  H1 H2 H3 C4 H5 C6 H7 C8 N9 C10
H11.77861.77861.09313.10972.15512.45812.66045.24644.0835
H21.77861.75841.09692.56722.14123.52823.22605.53144.4525
H31.77861.75841.09692.56722.14123.52823.22605.53144.4525
C41.09311.09691.09692.21121.49422.76292.50914.95413.8285
H53.10972.56722.56722.21121.08783.07102.09343.50122.6479
C62.15512.14122.14121.49421.08782.11801.34143.50932.4300
H72.45813.52823.52822.76293.07102.11801.08683.20982.1377
C82.66043.22603.22602.50912.09341.34141.08682.58781.4248
N95.24645.53145.53144.95413.50123.50933.20982.58781.1632
C104.08354.45254.45253.82852.64792.43002.13771.42481.1632

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 108.604 H1 C4 H3 108.604
H1 C4 C6 111.868 H2 C4 H3 106.553
H2 C4 C6 110.519 H3 C4 C6 110.519
C4 C6 H5 116.957 C4 C6 C8 124.379
H5 C6 C8 118.665 C6 C8 H7 121.086
C6 C8 C10 122.888 H7 C8 C10 116.026
C8 C10 N9 178.922
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability