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

using model chemistry: MP3=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 MP3=FULL/6-31G*
 hartrees
Energy at 0K-209.513936
Energy at 298.15K-209.518383
HF Energy-208.807895
Nuclear repulsion energy138.271077
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=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' 3248 3047 3.19      
2 A' 3227 3027 7.46      
3 A' 3190 2993 10.39      
4 A' 3101 2910 11.21      
5 A' 2441 2291 9.68      
6 A' 1776 1667 7.02      
7 A' 1549 1454 13.11      
8 A' 1479 1388 2.63      
9 A' 1374 1289 0.34      
10 A' 1358 1274 0.31      
11 A' 1172 1100 0.15      
12 A' 1069 1003 5.22      
13 A' 944 885 5.63      
14 A' 567 532 0.07      
15 A' 401 377 1.37      
16 A' 180 169 4.74      
17 A" 3168 2973 11.01      
18 A" 1536 1442 8.75      
19 A" 1108 1040 0.42      
20 A" 1004 942 41.80      
21 A" 807 757 1.53      
22 A" 488 458 5.46      
23 A" 192 180 1.51      
24 A" 177 166 0.92      

Unscaled Zero Point Vibrational Energy (zpe) 17778.1 cm-1
Scaled (by 0.9383) Zero Point Vibrational Energy (zpe) 16681.2 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 MP3=FULL/6-31G*
ABC
1.26792 0.07647 0.07310

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 2.646 0.460 0.000
H2 2.651 -1.083 0.882
H3 2.651 -1.083 -0.882
C4 2.261 -0.564 0.000
H5 0.285 -1.561 0.000
C6 0.764 -0.583 0.000
H7 0.429 1.516 0.000
C8 0.000 0.517 0.000
N9 -2.598 0.408 0.000
C10 -1.438 0.445 0.000

Atom - Atom Distances (Å)
  H1 H2 H3 C4 H5 C6 H7 C8 N9 C10
H11.77701.77701.09323.10752.15172.45592.64695.24414.0844
H21.77701.76371.09522.56942.14233.53113.21965.52714.4534
H31.77701.76371.09522.56942.14233.53113.21965.52714.4534
C41.09321.09521.09522.21331.49752.77132.50614.95493.8343
H53.10752.56942.56942.21331.08913.08022.09763.49122.6446
C62.15172.14232.14231.49751.08912.12501.33903.50432.4299
H72.45593.53113.53112.77133.08022.12501.08703.22302.1525
C82.64693.21963.21962.50612.09761.33901.08702.59991.4399
N95.24415.52715.52714.95493.49123.50433.22302.59991.1601
C104.08444.45344.45343.83432.64462.42992.15251.43991.1601

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 108.580 H1 C4 H3 108.580
H1 C4 C6 111.355 H2 C4 H3 107.250
H2 C4 C6 110.478 H3 C4 C6 110.478
C4 C6 H5 116.790 C4 C6 C8 124.052
H5 C6 C8 119.158 C6 C8 H7 121.967
C6 C8 C10 121.909 H7 C8 C10 116.124
C8 C10 N9 178.950
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability