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All results from a given calculation for C4H5N (Cyclopropanecarbonitrile)

using model chemistry: B1B95/STO-3G

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/STO-3G
 hartrees
Energy at 0K-207.449505
Energy at 298.15K-207.454581
Nuclear repulsion energy145.289512
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/STO-3G
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' 3584 3165 5.83      
2 A' 3464 3058 6.32      
3 A' 3432 3030 8.46      
4 A' 2418 2135 2.75      
5 A' 1627 1437 0.42      
6 A' 1473 1301 0.80      
7 A' 1311 1157 1.81      
8 A' 1220 1077 1.91      
9 A' 1196 1056 0.51      
10 A' 1057 933 10.57      
11 A' 847 748 0.53      
12 A' 814 718 0.78      
13 A' 535 472 0.14      
14 A' 215 190 2.04      
15 A" 3579 3160 0.06      
16 A" 3424 3023 9.14      
17 A" 1583 1398 2.28      
18 A" 1282 1132 0.21      
19 A" 1212 1070 0.00      
20 A" 1205 1064 5.56      
21 A" 1051 928 0.55      
22 A" 893 789 3.39      
23 A" 554 489 0.38      
24 A" 215 190 1.64      

Unscaled Zero Point Vibrational Energy (zpe) 19094.5 cm-1
Scaled (by 0.883) Zero Point Vibrational Energy (zpe) 16860.4 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/STO-3G
ABC
0.52251 0.11025 0.10456

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 0.334 2.060 1.281
H2 0.334 2.060 -1.281
H3 -1.137 0.951 -1.270
H4 -1.137 0.951 1.270
H5 1.673 0.349 0.000
C6 0.582 0.228 0.000
N7 -0.231 -2.305 0.000
C8 0.137 -1.169 0.000
C9 -0.231 1.284 0.757
C10 -0.231 1.284 -0.757

Atom - Atom Distances (Å)
  H1 H2 H3 H4 H5 C6 N7 C8 C9 C10
H12.56173.14641.84252.52232.24894.58453.47981.09362.2521
H22.56171.84253.14642.52232.24894.58453.47982.25211.0936
H33.14641.84252.53943.14182.25603.61032.78032.24451.0935
H41.84253.14642.53943.14182.25603.61032.78031.09352.2445
H52.52232.52233.14183.14181.09763.26682.16002.25212.2521
C62.24892.24892.25602.25601.09762.66101.46701.53241.5324
N74.58454.58453.61033.61033.26682.66101.19413.66843.6684
C83.47983.47982.78032.78032.16001.46701.19412.59382.5938
C91.09362.25212.24451.09352.25211.53243.66842.59381.5130
C102.25211.09361.09352.24452.25211.53243.66842.59381.5130

picture of Cyclopropanecarbonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H1 C9 H4 114.793 H1 C9 C6 116.845
H1 C9 C10 118.651 H2 C10 H3 114.793
H2 C10 C6 116.845 H2 C10 C9 118.651
H3 C10 C6 117.467 H3 C10 C9 117.988
H4 C9 C6 117.467 H4 C9 C10 117.988
H5 C6 C8 113.985 H5 C6 C9 116.845
H5 C6 C10 116.845 C6 C8 N7 179.717
C6 C9 C10 60.417 C6 C10 C9 60.417
C8 C6 C9 119.700 C8 C6 C10 119.700
C9 C6 C10 59.166
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.100      
2 H 0.100      
3 H 0.104      
4 H 0.104      
5 H 0.115      
6 C -0.093      
7 N -0.187      
8 C 0.066      
9 C -0.155      
10 C -0.155      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.650 3.208 0.000 3.273
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.190 -0.321 0.000
y -0.321 -34.174 0.000
z 0.000 0.000 -27.309
Traceless
 xyz
x 4.552 -0.321 0.000
y -0.321 -7.425 0.000
z 0.000 0.000 2.873
Polar
3z2-r25.747
x2-y27.985
xy-0.321
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.722 0.396 0.000
y 0.396 5.051 0.000
z 0.000 0.000 2.598


<r2> (average value of r2) Å2
<r2> 116.321
(<r2>)1/2 10.785