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

using model chemistry: PBEPBE/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBEPBE/cc-pVDZ
 hartrees
Energy at 0K-209.890698
Energy at 298.15K-209.895028
Nuclear repulsion energy137.229309
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 PBEPBE/cc-pVDZ
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' 3098 3080 11.56      
2 A' 3091 3073 0.94      
3 A' 3066 3048 6.30      
4 A' 2962 2944 11.16      
5 A' 2248 2235 15.35      
6 A' 1658 1649 22.43      
7 A' 1403 1395 17.94      
8 A' 1338 1330 2.04      
9 A' 1273 1266 0.26      
10 A' 1243 1235 1.23      
11 A' 1104 1098 0.62      
12 A' 1030 1024 8.31      
13 A' 882 876 10.71      
14 A' 546 542 0.03      
15 A' 384 381 1.35      
16 A' 169 168 2.70      
17 A" 3022 3005 6.04      
18 A" 1393 1384 8.56      
19 A" 1010 1004 0.11      
20 A" 947 941 32.74      
21 A" 770 766 0.64      
22 A" 484 481 3.29      
23 A" 201 200 2.11      
24 A" 168 167 0.33      

Unscaled Zero Point Vibrational Energy (zpe) 16743.8 cm-1
Scaled (by 0.9942) Zero Point Vibrational Energy (zpe) 16646.6 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 PBEPBE/cc-pVDZ
ABC
1.26506 0.07530 0.07203

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 2.681 0.406 0.000
H2 2.646 -1.160 0.887
H3 2.646 -1.160 -0.887
C4 2.256 -0.616 0.000
H5 0.253 -1.587 0.000
C6 0.763 -0.608 0.000
H7 0.467 1.511 0.000
C8 0.000 0.511 0.000
N9 -2.606 0.482 0.000
C10 -1.428 0.483 0.000

Atom - Atom Distances (Å)
  H1 H2 H3 C4 H5 C6 H7 C8 N9 C10
H11.80071.80071.10723.14122.16962.47442.68315.28774.1096
H21.80071.77451.11142.58782.15353.55973.25345.57414.4817
H31.80071.77451.11142.58782.15353.55973.25345.57414.4817
C41.10721.11141.11142.22611.49322.77972.52254.98503.8447
H53.14122.58782.58782.22611.10353.10482.11333.52882.6663
C62.16962.15352.15351.49321.10352.13961.35513.54132.4478
H72.47443.55973.55972.77973.10482.13961.10293.24082.1554
C82.68313.25343.25342.52252.11331.35511.10292.60641.4281
N95.28775.57415.57414.98503.52883.54133.24082.60641.1784
C104.10964.48174.48173.84472.66632.44782.15541.42811.1784

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 108.515 H1 C4 H3 108.515
H1 C4 C6 112.245 H2 C4 H3 105.940
H2 C4 C6 110.695 H3 C4 C6 110.695
C4 C6 H5 117.234 C4 C6 C8 124.584
H5 C6 C8 118.182 C6 C8 H7 120.682
C6 C8 C10 123.137 H7 C8 C10 116.181
C8 C10 N9 178.933
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.041      
2 H 0.065      
3 H 0.065      
4 C -0.019      
5 H 0.018      
6 C -0.042      
7 H 0.034      
8 C 0.002      
9 N -0.118      
10 C -0.047      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  4.397 -0.677 0.000 4.449
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.021 0.751 0.000
y 0.751 -27.282 0.000
z 0.000 0.000 -30.629
Traceless
 xyz
x -8.065 0.751 0.000
y 0.751 6.543 0.000
z 0.000 0.000 1.522
Polar
3z2-r23.044
x2-y2-9.739
xy0.751
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.660 -1.855 0.000
y -1.855 6.678 0.000
z 0.000 0.000 4.042


<r2> (average value of r2) Å2
<r2> 153.384
(<r2>)1/2 12.385