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All results from a given calculation for C5H5N (Bicyclo[1.1.0]butane-1-carbonitrile)

using model chemistry: MP2/CEP-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 MP2/CEP-31G
 hartrees
Energy at 0K-40.300734
Energy at 298.15K-40.305658
HF Energy-39.778478
Nuclear repulsion energy97.102863
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/CEP-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' 3262 3152 2.66      
2 A' 3227 3118 34.28      
3 A' 3104 2999 36.38      
4 A' 2034 1965 8.39      
5 A' 1550 1498 0.70      
6 A' 1382 1335 3.06      
7 A' 1189 1149 19.41      
8 A' 1170 1131 0.12      
9 A' 1110 1073 4.98      
10 A' 967 934 4.57      
11 A' 877 847 48.90      
12 A' 713 689 16.42      
13 A' 566 547 18.27      
14 A' 476 460 0.21      
15 A' 414 400 3.43      
16 A' 190 184 1.66      
17 A" 3229 3120 8.14      
18 A" 3109 3004 42.78      
19 A" 1524 1473 0.67      
20 A" 1271 1228 0.87      
21 A" 1169 1129 0.59      
22 A" 1129 1091 0.53      
23 A" 1050 1015 0.05      
24 A" 949 917 0.53      
25 A" 836 808 0.03      
26 A" 510 493 1.72      
27 A" 179 173 4.06      

Unscaled Zero Point Vibrational Energy (zpe) 18592.5 cm-1
Scaled (by 0.9663) Zero Point Vibrational Energy (zpe) 17965.9 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/CEP-31G
ABC
0.27749 0.08881 0.07657

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/CEP-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -0.669 -0.150 2.128
H2 -1.698 1.147 1.273
C3 -1.021 0.280 1.175
H4 -0.669 -0.150 -2.128
H5 -1.698 1.147 -1.273
C6 -1.021 0.280 -1.175
C7 0.000 0.270 0.000
H8 -1.216 -1.810 0.000
C9 -1.237 -0.717 0.000
N10 2.660 -0.151 0.000
C11 1.442 0.029 0.000

Atom - Atom Distances (Å)
  H1 H2 C3 H4 H5 C6 C7 H8 C9 N10 C11
H11.86361.10274.25523.78193.34952.26932.75402.27403.95043.0022
H21.86361.10423.78192.54512.68372.29583.25592.30374.72173.5676
C31.10271.10423.34952.68372.35081.55722.40621.55623.88852.7410
H44.25523.78193.34951.86361.10272.26932.75402.27403.95043.0022
H53.78192.54512.68371.86361.10422.29583.25592.30374.72173.5676
C63.34952.68372.35081.10271.10421.55722.40621.55623.88852.7410
C72.26932.29581.55722.26932.29581.55722.41011.58262.69321.4621
H82.75403.25592.40622.75403.25592.40622.41011.09394.21643.2328
C92.27402.30371.55622.27402.30371.55621.58261.09393.93782.7811
N103.95044.72173.88853.95044.72173.88852.69324.21643.93781.2312
C113.00223.56762.74103.00223.56762.74101.46213.23282.78111.2312

picture of Bicyclo[1.1.0]butane-1-carbonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H1 C3 H2 115.229 H1 C3 C7 116.066
H1 C3 C9 116.546 H2 C3 C7 118.231
H2 C3 C9 119.001 C3 C7 C6 98.016
C3 C7 C9 59.415 C3 C7 C11 130.390
C3 C9 C6 98.107 C3 C9 C7 59.482
C3 C9 H8 129.626 H4 C6 H5 115.229
H4 C6 C7 116.066 H4 C6 C9 116.546
H5 C6 C7 118.231 H5 C6 C9 119.001
C6 C7 C9 59.415 C6 C7 C11 130.390
C6 C9 C7 59.482 C6 C9 H8 129.626
C7 C3 C9 61.102 C7 C6 C9 61.102
C7 C9 H8 127.492 C7 C11 N10 178.943
C9 C7 C11 131.928
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability