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All results from a given calculation for C5H7N (Cyclobutanecarbonitrile)

using model chemistry: MP2/CEP-121G*

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-121G*
 hartrees
Energy at 0K-41.981082
Energy at 298.15K-41.988960
HF Energy-41.169271
Nuclear repulsion energy110.793481
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-121G*
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' 3184 3034 49.27      
2 A' 3164 3014 10.12      
3 A' 3119 2971 4.86      
4 A' 3103 2957 5.18      
5 A' 3096 2950 29.81      
6 A' 2128 2028 0.09      
7 A' 1550 1477 1.10      
8 A' 1523 1452 4.78      
9 A' 1383 1318 3.40      
10 A' 1296 1235 1.19      
11 A' 1255 1196 0.05      
12 A' 1149 1095 1.48      
13 A' 1090 1038 0.34      
14 A' 972 926 0.84      
15 A' 920 876 2.35      
16 A' 757 721 1.53      
17 A' 580 552 0.32      
18 A' 512 488 1.33      
19 A' 274 262 0.50      
20 A' 140 134 3.15      
21 A" 3176 3026 18.97      
22 A" 3101 2954 47.91      
23 A" 1515 1444 1.94      
24 A" 1299 1238 2.70      
25 A" 1269 1209 0.44      
26 A" 1257 1198 0.01      
27 A" 1215 1158 0.36      
28 A" 1050 1001 0.20      
29 A" 961 916 0.47      
30 A" 951 906 3.06      
31 A" 793 756 0.93      
32 A" 514 490 0.25      
33 A" 169 161 3.69      

Unscaled Zero Point Vibrational Energy (zpe) 24232.6 cm-1
Scaled (by 0.9528) Zero Point Vibrational Energy (zpe) 23088.8 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-121G*
ABC
0.32536 0.07796 0.06902

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/CEP-121G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.688 2.104 0.000
C2 0.760 1.363 0.000
C3 -0.351 0.400 0.000
C4 -0.935 -1.679 0.000
C5 -0.351 -0.725 1.084
C6 -0.351 -0.725 -1.084
H7 -1.307 0.935 0.000
H8 -2.031 -1.654 0.000
H9 -0.599 -2.720 0.000
H10 0.675 -1.002 1.346
H11 -0.926 -0.539 1.996
H12 0.675 -1.002 -1.346
H13 -0.926 -0.539 -1.996

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13
N11.18802.65754.60383.65213.65213.21505.28715.33903.53324.21993.53324.2199
C21.18801.47003.48232.60172.60172.11054.10954.30312.72223.23202.72223.2320
C32.65751.47002.15941.56241.56241.09612.65333.12982.19782.27992.19782.2799
C44.60383.48232.15941.55801.55802.64111.09571.09412.20602.29892.20602.2989
C53.65212.60171.56241.55802.16862.20182.20462.28421.09501.09422.65303.1394
C63.65212.60171.56241.55802.16862.20182.20462.28422.65303.13941.09501.0942
H73.21502.11051.09612.64112.20182.20182.68903.72383.08172.51103.08172.5110
H85.28714.10952.65331.09572.20462.20462.68901.78503.09232.53933.09232.5393
H95.33904.30313.12981.09412.28422.28423.72381.78502.52792.97482.52792.9748
H103.53322.72222.19782.20601.09502.65303.08173.09232.52791.78962.69263.7354
H114.21993.23202.27992.29891.09423.13942.51102.53932.97481.78963.73543.9926
H123.53322.72222.19782.20602.65301.09503.08173.09232.52792.69263.73541.7896
H134.21993.23202.27992.29893.13941.09422.51102.53932.97483.73543.99261.7896

picture of Cyclobutanecarbonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 177.681 C2 C3 C5 118.143
C2 C3 C6 118.143 C2 C3 H7 109.801
C3 C5 C4 87.584 C3 C5 H10 110.358
C3 C5 H11 117.135 C3 C6 C4 87.584
C3 C6 H12 110.358 C3 C6 H13 117.135
C4 C5 H10 111.315 C4 C5 H11 119.138
C4 C6 H12 111.315 C4 C6 H13 119.138
C5 C3 C6 87.897 C5 C3 H7 110.610
C5 C4 C6 88.211 C5 C4 H8 111.161
C5 C4 H9 117.865 C6 C3 H7 110.610
C6 C4 H8 111.161 C6 C4 H9 117.865
H8 C4 H9 109.211 H10 C5 H11 109.661
H12 C6 H13 109.661
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability