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

using model chemistry: PBEPBEultrafine/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 PBEPBEultrafine/6-31G*
 hartrees
Energy at 0K-209.878108
Energy at 298.15K-209.882432
Nuclear repulsion energy137.419062
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 PBEPBEultrafine/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' 3111 3060 14.02      
2 A' 3103 3052 0.56      
3 A' 3073 3022 8.97      
4 A' 2975 2926 11.83      
5 A' 2255 2218 16.54      
6 A' 1664 1637 21.08      
7 A' 1464 1440 18.09      
8 A' 1387 1364 2.52      
9 A' 1300 1279 0.51      
10 A' 1280 1259 0.81      
11 A' 1117 1098 0.16      
12 A' 1036 1019 6.92      
13 A' 897 882 9.56      
14 A' 546 537 0.00      
15 A' 385 379 1.33      
16 A' 171 168 3.44      
17 A" 3029 2979 9.16      
18 A" 1454 1430 9.33      
19 A" 1034 1017 0.01      
20 A" 956 941 35.82      
21 A" 774 761 0.98      
22 A" 487 479 5.33      
23 A" 199 196 1.98      
24 A" 168 165 0.61      

Unscaled Zero Point Vibrational Energy (zpe) 16932.4 cm-1
Scaled (by 0.9835) Zero Point Vibrational Energy (zpe) 16653.0 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 PBEPBEultrafine/6-31G*
ABC
1.27117 0.07544 0.07218

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 2.673 0.405 0.000
H2 2.645 -1.152 0.885
H3 2.645 -1.152 -0.885
C4 2.255 -0.615 0.000
H5 0.257 -1.585 0.000
C6 0.760 -0.610 0.000
H7 0.467 1.503 0.000
C8 0.000 0.510 0.000
N9 -2.604 0.482 0.000
C10 -1.426 0.483 0.000

Atom - Atom Distances (Å)
  H1 H2 H3 C4 H5 C6 H7 C8 N9 C10
H11.79111.79111.10203.12972.16472.46412.67495.27704.0997
H21.79111.76921.10602.58362.15183.54673.24735.56824.4758
H31.79111.76921.10602.58362.15183.54673.24735.56824.4758
C41.10201.10601.10602.22141.49502.77222.52064.98133.8417
H53.12972.58362.58362.22141.09753.09482.11053.52862.6656
C62.16472.15182.15181.49501.09752.13291.35353.53662.4441
H72.46413.54673.54672.77223.09482.13291.09733.23612.1508
C82.67493.24733.24732.52062.11051.35351.09732.60381.4264
N95.27705.56825.56824.98133.52863.53663.23612.60381.1775
C104.09974.47584.47583.84172.66562.44412.15081.42641.1775

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 108.423 H1 C4 H3 108.423
H1 C4 C6 112.041 H2 C4 H3 106.226
H2 C4 C6 110.757 H3 C4 C6 110.757
C4 C6 H5 117.104 C4 C6 C8 124.398
H5 C6 C8 118.498 C6 C8 H7 120.624
C6 C8 C10 123.072 H7 C8 C10 116.304
C8 C10 N9 178.930
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.180      
2 H 0.191      
3 H 0.191      
4 C -0.542      
5 H 0.172      
6 C -0.059      
7 H 0.184      
8 C -0.165      
9 N -0.468      
10 C 0.314      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  4.512 -0.681 0.000 4.563
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.341 0.890 0.000
y 0.890 -26.913 0.000
z 0.000 0.000 -30.363
Traceless
 xyz
x -8.704 0.890 0.000
y 0.890 6.939 0.000
z 0.000 0.000 1.764
Polar
3z2-r23.529
x2-y2-10.429
xy0.890
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.382 -1.858 0.000
y -1.858 6.302 0.000
z 0.000 0.000 3.722


<r2> (average value of r2) Å2
<r2> 153.008
(<r2>)1/2 12.370