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

using model chemistry: mPW1PW91/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at mPW1PW91/6-31G**
 hartrees
Energy at 0K-210.099819
Energy at 298.15K-210.104272
Nuclear repulsion energy138.539690
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 mPW1PW91/6-31G**
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' 3213 3058 5.72      
2 A' 3205 3049 5.05      
3 A' 3169 3015 8.61      
4 A' 3065 2916 11.05      
5 A' 2378 2263 25.59      
6 A' 1740 1655 23.63      
7 A' 1497 1425 17.40      
8 A' 1425 1356 2.39      
9 A' 1340 1275 0.96      
10 A' 1318 1254 0.55      
11 A' 1148 1092 0.12      
12 A' 1061 1010 6.57      
13 A' 921 877 8.46      
14 A' 567 539 0.04      
15 A' 398 379 1.55      
16 A' 176 168 4.06      
17 A" 3130 2979 8.52      
18 A" 1488 1416 9.65      
19 A" 1074 1022 0.31      
20 A" 999 950 40.20      
21 A" 812 772 1.58      
22 A" 506 481 5.90      
23 A" 200 190 1.95      
24 A" 175 167 0.70      

Unscaled Zero Point Vibrational Energy (zpe) 17502.4 cm-1
Scaled (by 0.9515) Zero Point Vibrational Energy (zpe) 16653.5 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 mPW1PW91/6-31G**
ABC
1.28570 0.07665 0.07331

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 2.653 0.421 0.000
H2 2.631 -1.122 0.877
H3 2.631 -1.122 -0.877
C4 2.246 -0.592 0.000
H5 0.263 -1.562 0.000
C6 0.757 -0.594 0.000
H7 0.449 1.500 0.000
C8 0.000 0.511 0.000
N9 -2.586 0.448 0.000
C10 -1.424 0.466 0.000

Atom - Atom Distances (Å)
  H1 H2 H3 C4 H5 C6 H7 C8 N9 C10
H11.77441.77441.09143.10512.14962.45372.65415.23814.0771
H21.77441.75501.09492.56342.13523.52183.21815.51784.4425
H31.77441.75501.09492.56342.13523.52183.21815.51784.4425
C41.09141.09491.09492.20731.48832.75762.50184.94193.8194
H53.10512.56342.56342.20731.08743.06792.08973.48672.6385
C62.14962.13522.13521.48831.08742.11631.33923.50152.4254
H72.45373.52183.52182.75763.06792.11631.08633.21152.1396
C82.65413.21813.21812.50182.08971.33921.08632.58631.4250
N95.23815.51785.51784.94193.48673.50153.21152.58631.1614
C104.07714.44254.44253.81942.63852.42542.13961.42501.1614

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 108.509 H1 C4 H3 108.509
H1 C4 C6 111.956 H2 C4 H3 106.537
H2 C4 C6 110.573 H3 C4 C6 110.573
C4 C6 H5 117.099 C4 C6 C8 124.374
H5 C6 C8 118.527 C6 C8 H7 121.150
C6 C8 C10 122.643 H7 C8 C10 116.207
C8 C10 N9 179.084
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.152      
2 H 0.165      
3 H 0.165      
4 C -0.441      
5 H 0.158      
6 C -0.056      
7 H 0.170      
8 C -0.132      
9 N -0.488      
10 C 0.309      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  4.632 -0.648 0.000 4.677
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.616 0.833 0.000
y 0.833 -26.700 0.000
z 0.000 0.000 -30.318
Traceless
 xyz
x -9.107 0.833 0.000
y 0.833 7.267 0.000
z 0.000 0.000 1.840
Polar
3z2-r23.680
x2-y2-10.915
xy0.833
xz0.000
yz0.000


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


<r2> (average value of r2) Å2
<r2> 150.934
(<r2>)1/2 12.286