return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for C4H7NO (Ethoxyacetonitrile)

using model chemistry: CCSD=FULL/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CCSD=FULL/cc-pVDZ
 hartrees
Energy at 0K-285.802938
Energy at 298.15K-285.810743
HF Energy-284.850858
Nuclear repulsion energy215.251868
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 CCSD=FULL/cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3170 3170 20.62      
2 A' 3080 3080 14.48      
3 A' 3030 3030 40.41      
4 A' 3010 3010 34.69      
5 A' 2353 2353 2.15      
6 A' 1538 1538 2.51      
7 A' 1509 1509 3.05      
8 A' 1504 1504 2.96      
9 A' 1467 1467 7.61      
10 A' 1418 1418 38.33      
11 A' 1392 1392 62.42      
12 A' 1205 1205 185.73      
13 A' 1169 1169 19.77      
14 A' 1085 1085 17.03      
15 A' 968 968 9.97      
16 A' 920 920 4.72      
17 A' 553 553 0.74      
18 A' 428 428 0.98      
19 A' 300 300 1.63      
20 A' 132 132 2.99      
21 A" 3175 3175 20.95      
22 A" 3069 3069 19.26      
23 A" 3050 3050 64.28      
24 A" 1484 1484 5.21      
25 A" 1307 1307 3.23      
26 A" 1270 1270 3.70      
27 A" 1198 1198 6.89      
28 A" 1043 1043 2.47      
29 A" 828 828 0.17      
30 A" 364 364 1.34      
31 A" 259 259 0.50      
32 A" 111 111 5.76      
33 A" 74 74 0.15      

Unscaled Zero Point Vibrational Energy (zpe) 23730.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 23730.8 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 CCSD=FULL/cc-pVDZ
ABC
0.51250 0.04967 0.04649

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD=FULL/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.950 2.541 0.000
C2 -1.244 1.050 0.000
O3 0.000 0.361 0.000
C4 -0.187 -1.031 0.000
C5 1.142 -1.688 0.000
N6 2.175 -2.235 0.000
H7 -1.892 3.116 0.000
H8 -0.367 2.814 0.895
H9 -0.367 2.814 -0.895
H10 -1.836 0.764 -0.895
H11 -1.836 0.764 0.895
H12 -0.745 -1.374 -0.895
H13 -0.745 -1.374 0.895

Atom - Atom Distances (Å)
  C1 C2 O3 C4 C5 N6 H7 H8 H9 H10 H11 H12 H13
C11.51962.37843.65274.71855.70791.10301.10241.10242.17792.17794.02184.0218
C21.51961.42202.33393.63174.74142.16522.16372.16371.11071.11072.63222.6322
O32.37841.42201.40442.34573.38673.34212.63692.63692.08212.08212.08992.0899
C43.65272.33391.40441.48272.65164.48373.95193.95192.59662.59661.10921.1092
C54.71853.63172.34571.48271.16915.68184.83194.83193.96023.96022.11182.1118
N65.70794.74143.38672.65161.16916.72115.72335.72335.08795.08793.17323.1732
H71.10302.16523.34214.48375.68186.72111.79351.79352.51712.51714.72034.7203
H81.10242.16372.63693.95194.83195.72331.79351.78913.09262.52214.57064.2057
H91.10242.16372.63693.95194.83195.72331.79351.78912.52213.09264.20574.5706
H102.17791.11072.08212.59663.96025.08792.51713.09262.52211.79022.40092.9949
H112.17791.11072.08212.59663.96025.08792.51712.52213.09261.79022.99492.4009
H124.02182.63222.08991.10922.11183.17324.72034.57064.20572.40092.99491.7903
H134.02182.63222.08991.10922.11183.17324.72034.20574.57062.99492.40091.7903

picture of Ethoxyacetonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 107.854 C1 C2 H10 110.825
C1 C2 H11 110.825 C2 C1 H7 110.285
C2 C1 H8 110.198 C2 C1 H9 110.198
C2 O3 C4 111.322 O3 C2 H10 109.978
O3 C2 H11 109.978 O3 C4 C5 108.644
O3 C4 H12 111.962 O3 C4 H13 111.962
C4 C5 N6 178.427 C5 C4 H12 108.265
C5 C4 H13 108.265 H7 C1 H8 108.820
H7 C1 H9 108.820 H8 C1 H9 108.473
H10 C2 H11 107.392 H12 C4 H13 107.617
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability