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All results from a given calculation for C4H5N (Cyclopropanecarbonitrile)

using model chemistry: MP2/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/Def2TZVPP
 hartrees
Energy at 0K-209.706224
Energy at 298.15K-209.711477
HF Energy-208.868257
Nuclear repulsion energy147.944462
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 MP2/Def2TZVPP
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' 3308 3148 0.91      
2 A' 3239 3082 0.29      
3 A' 3202 3047 1.31      
4 A' 2205 2098 6.03      
5 A' 1520 1446 0.85      
6 A' 1394 1326 0.22      
7 A' 1232 1172 1.00      
8 A' 1147 1091 0.42      
9 A' 1070 1018 7.97      
10 A' 978 931 22.40      
11 A' 825 785 1.80      
12 A' 767 730 3.08      
13 A' 522 497 0.35      
14 A' 206 196 3.84      
15 A" 3295 3135 0.26      
16 A" 3197 3041 3.79      
17 A" 1485 1413 3.40      
18 A" 1211 1153 0.75      
19 A" 1122 1068 2.06      
20 A" 1093 1040 6.39      
21 A" 915 870 1.21      
22 A" 841 800 9.04      
23 A" 539 513 0.36      
24 A" 213 203 2.25      

Unscaled Zero Point Vibrational Energy (zpe) 17761.7 cm-1
Scaled (by 0.9515) Zero Point Vibrational Energy (zpe) 16900.3 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 MP2/Def2TZVPP
ABC
0.53019 0.11561 0.10976

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 0.321 2.022 1.264
H2 0.321 2.022 -1.264
H3 -1.117 0.902 -1.252
H4 -1.117 0.902 1.252
H5 1.655 0.350 0.000
C6 0.584 0.224 0.000
N7 -0.232 -2.252 0.000
C8 0.141 -1.140 0.000
C9 -0.232 1.255 0.747
C10 -0.232 1.255 -0.747

Atom - Atom Distances (Å)
  H1 H2 H3 H4 H5 C6 N7 C8 C9 C10
H12.52883.10761.82312.48542.21424.49153.41101.07812.2231
H22.52881.82313.10762.48542.21424.49153.41102.22311.0781
H33.10761.82312.50463.09192.21853.50712.70632.21501.0782
H41.82313.10762.50463.09192.21853.50712.70631.07822.2150
H52.48542.48543.09193.09191.07893.21402.12452.22302.2230
C62.21422.21422.21852.21851.07892.60651.43431.51271.5127
N74.49154.49153.50713.50713.21402.60651.17233.58573.5857
C83.41103.41102.70632.70632.12451.43431.17232.53712.5371
C91.07812.22312.21501.07822.22301.51273.58572.53711.4947
C102.22311.07811.07822.21502.22301.51273.58572.53711.4947

picture of Cyclopropanecarbonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H1 C9 H4 115.446 H1 C9 C6 116.437
H1 C9 C10 118.657 H2 C10 H3 115.446
H2 C10 C6 116.437 H2 C10 C9 118.657
H3 C10 C6 116.804 H3 C10 C9 117.925
H4 C9 C6 116.804 H4 C9 C10 117.925
H5 C6 C8 114.680 H5 C6 C9 117.147
H5 C6 C10 117.147 C6 C8 N7 179.425
C6 C9 C10 60.393 C6 C10 C9 60.393
C8 C6 C9 118.814 C8 C6 C10 118.814
C9 C6 C10 59.214
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability