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All results from a given calculation for C4H5N (Cyclopropanecarbonitrile)

using model chemistry: B1B95/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B1B95/6-31G(2df,p)
 hartrees
Energy at 0K-210.059330
Energy at 298.15K-210.064611
Nuclear repulsion energy148.280673
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 B1B95/6-31G(2df,p)
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' 3277 3139 2.72      
2 A' 3202 3066 0.47      
3 A' 3176 3041 2.79      
4 A' 2376 2275 31.06      
5 A' 1500 1437 0.69      
6 A' 1383 1324 0.34      
7 A' 1232 1179 1.22      
8 A' 1135 1087 0.45      
9 A' 1068 1023 4.05      
10 A' 989 947 22.42      
11 A' 813 779 1.98      
12 A' 761 729 2.25      
13 A' 536 513 0.27      
14 A' 213 204 4.20      
15 A" 3264 3125 0.19      
16 A" 3172 3038 7.96      
17 A" 1460 1398 3.14      
18 A" 1195 1145 0.44      
19 A" 1110 1063 1.60      
20 A" 1084 1038 5.42      
21 A" 929 890 0.92      
22 A" 831 796 7.11      
23 A" 561 537 0.88      
24 A" 218 209 2.75      

Unscaled Zero Point Vibrational Energy (zpe) 17740.0 cm-1
Scaled (by 0.9577) Zero Point Vibrational Energy (zpe) 16989.6 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 B1B95/6-31G(2df,p)
ABC
0.53689 0.11572 0.10969

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 0.333 2.019 1.266
H2 0.333 2.019 -1.266
H3 -1.119 0.914 -1.254
H4 -1.119 0.914 1.254
H5 1.653 0.332 0.000
C6 0.577 0.217 0.000
N7 -0.229 -2.242 0.000
C8 0.133 -1.145 0.000
C9 -0.229 1.256 0.744
C10 -0.229 1.256 -0.744

Atom - Atom Distances (Å)
  H1 H2 H3 H4 H5 C6 N7 C8 C9 C10
H12.53163.11151.82492.48802.21564.48063.41341.08182.2225
H22.53161.82493.11152.48802.21564.48063.41342.22251.0818
H33.11151.82492.50893.09802.22153.51102.71642.21471.0813
H41.82493.11152.50893.09802.22153.51102.71641.08132.2147
H52.48802.48803.09803.09801.08263.18902.11962.22472.2247
C62.21562.21562.22152.22151.08262.58771.43221.51071.5107
N74.48064.48063.51103.51103.18902.58771.15553.57633.5763
C83.41343.41342.71642.71642.11961.43221.15552.53912.5391
C91.08182.22252.21471.08132.22471.51073.57632.53911.4890
C102.22251.08181.08132.21472.22471.51073.57632.53911.4890

picture of Cyclopropanecarbonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H1 C9 H4 115.053 H1 C9 C6 116.460
H1 C9 C10 118.811 H2 C10 H3 115.053
H2 C10 C6 116.460 H2 C10 C9 118.811
H3 C10 C6 117.004 H3 C10 C9 118.138
H4 C9 C6 117.004 H4 C9 C10 118.138
H5 C6 C8 114.166 H5 C6 C9 117.198
H5 C6 C10 117.198 C6 C8 N7 179.821
C6 C9 C10 60.475 C6 C10 C9 60.475
C8 C6 C9 119.237 C8 C6 C10 119.237
C9 C6 C10 59.049
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.146      
2 H 0.146      
3 H 0.158      
4 H 0.158      
5 H 0.151      
6 C -0.180      
7 N -0.343      
8 C 0.295      
9 C -0.266      
10 C -0.266      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.852 4.105 0.000 4.192
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.300 -0.471 0.000
y -0.471 -36.858 0.000
z 0.000 0.000 -28.552
Traceless
 xyz
x 5.405 -0.471 0.000
y -0.471 -8.932 0.000
z 0.000 0.000 3.527
Polar
3z2-r27.053
x2-y29.558
xy-0.471
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.337 0.389 0.000
y 0.389 8.498 0.000
z 0.000 0.000 5.435


<r2> (average value of r2) Å2
<r2> 113.053
(<r2>)1/2 10.633