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

using model chemistry: B2PLYP/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 B2PLYP/6-31G*
 hartrees
Energy at 0K-209.919552
Energy at 298.15K-209.923979
HF Energy-209.695712
Nuclear repulsion energy138.013368
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 B2PLYP/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' 3220 3056 6.32      
2 A' 3208 3045 6.28      
3 A' 3168 3007 11.17      
4 A' 3076 2920 13.12      
5 A' 2284 2168 8.61      
6 A' 1724 1636 14.80      
7 A' 1535 1457 14.46      
8 A' 1460 1386 1.34      
9 A' 1356 1287 0.71      
10 A' 1341 1273 0.56      
11 A' 1157 1098 0.19      
12 A' 1053 1000 5.10      
13 A' 929 882 6.15      
14 A' 558 530 0.03      
15 A' 396 376 1.36      
16 A' 177 168 4.28      
17 A" 3136 2976 12.06      
18 A" 1525 1448 8.04      
19 A" 1093 1037 0.18      
20 A" 1001 950 36.26      
21 A" 805 764 1.52      
22 A" 491 466 5.39      
23 A" 199 189 1.60      
24 A" 174 166 0.91      

Unscaled Zero Point Vibrational Energy (zpe) 17532.6 cm-1
Scaled (by 0.9492) Zero Point Vibrational Energy (zpe) 16642.0 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 B2PLYP/6-31G*
ABC
1.27687 0.07607 0.07276

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 2.611 0.335 0.000
H2 2.559 -1.194 0.882
H3 2.559 -1.194 -0.882
C4 2.188 -0.672 0.000
H5 0.190 -1.548 0.000
C6 0.713 -0.632 0.000
H7 0.517 1.436 0.000
C8 0.000 0.514 0.000
N9 -2.527 0.536 0.000
C10 -1.359 0.525 0.000

Atom - Atom Distances (Å)
  H1 H2 H3 C4 H5 C6 H7 C8 N9 C10
H11.76621.76621.09243.06732.12972.36552.61675.14133.9742
H21.76621.76421.08972.55252.12123.44453.20045.44364.3680
H31.76621.76421.08972.55252.12123.44453.20045.44364.3680
C41.09241.08971.08972.18211.47572.69052.48934.86753.7439
H53.06732.55252.55252.18211.05543.00242.07143.42412.5876
C62.12972.12122.12121.47571.05542.07741.35003.44412.3731
H72.36553.44453.44452.69053.00242.07741.05693.17412.0859
C82.61673.20043.20042.48932.07141.35001.05692.52691.3592
N95.14135.44365.44364.86753.42413.44413.17412.52691.1677
C103.97424.36804.36803.74392.58762.37312.08591.35921.1677

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 108.074 H1 C4 H3 108.074
H1 C4 C6 111.172 H2 C4 H3 108.094
H2 C4 C6 110.657 H3 C4 C6 110.657
C4 C6 H5 118.166 C4 C6 C8 123.456
H5 C6 C8 118.378 C6 C8 H7 118.831
C6 C8 C10 122.313 H7 C8 C10 118.856
C8 C10 N9 179.857
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.176      
2 H 0.184      
3 H 0.184      
4 C -0.512      
5 H 0.190      
6 C -0.075      
7 H 0.203      
8 C -0.178      
9 N -0.476      
10 C 0.303      


Electric dipole moments


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.422 -1.614 0.000
y -1.614 6.067 0.000
z 0.000 0.000 3.632


<r2> (average value of r2) Å2
<r2> 152.248
(<r2>)1/2 12.339