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All results from a given calculation for C2H5NO3 (Nitric acid, ethyl ester)

using model chemistry: B2PLYP/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at B2PLYP/6-31G(2df,p)
 hartrees
Energy at 0K-359.264332
Energy at 298.15K-359.272245
HF Energy-358.866598
Nuclear repulsion energy251.236819
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 B2PLYP/6-31G(2df,p)
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' 3168 3025 11.99      
2 A' 3095 2956 10.45      
3 A' 3086 2947 9.76      
4 A' 1740 1662 310.26      
5 A' 1537 1468 3.19      
6 A' 1515 1447 5.06      
7 A' 1432 1367 0.77      
8 A' 1407 1344 12.00      
9 A' 1314 1255 239.11      
10 A' 1153 1101 16.67      
11 A' 1053 1006 61.65      
12 A' 938 895 67.61      
13 A' 877 838 189.05      
14 A' 715 683 15.33      
15 A' 573 547 0.89      
16 A' 380 363 0.60      
17 A' 228 218 0.47      
18 A" 3178 3035 20.52      
19 A" 3146 3005 5.82      
20 A" 1503 1435 5.58      
21 A" 1296 1238 0.69      
22 A" 1193 1139 3.98      
23 A" 828 791 0.15      
24 A" 779 744 12.38      
25 A" 256 245 0.42      
26 A" 133 127 0.83      
27 A" 90 86 0.26      

Unscaled Zero Point Vibrational Energy (zpe) 18306.8 cm-1
Scaled (by 0.955) Zero Point Vibrational Energy (zpe) 17483.0 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 B2PLYP/6-31G(2df,p)
ABC
0.33261 0.07379 0.06179

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.103 -0.308 0.000
O2 0.000 0.566 0.000
O3 2.158 0.274 0.000
O4 0.872 -1.498 0.000
C5 -1.271 -0.117 0.000
C6 -2.318 0.980 0.000
H7 -1.339 -0.752 0.885
H8 -1.339 -0.752 -0.885
H9 -3.312 0.529 0.000
H10 -2.221 1.608 0.886
H11 -2.221 1.608 -0.886

Atom - Atom Distances (Å)
  N1 O2 O3 O4 C5 C6 H7 H8 H9 H10 H11
N11.40761.20451.21252.38243.65512.63532.63534.49353.93813.9381
O21.40762.17772.24111.44362.35412.07692.07693.31182.60862.6086
O31.20452.17772.18943.45184.53093.75023.75025.47564.66304.6630
O41.21252.24112.18942.54994.03902.49592.49594.64904.47254.4725
C52.38241.44363.45182.54991.51581.09131.09132.14002.15962.1596
C63.65512.35414.53094.03901.51582.17702.17701.09141.09051.0905
H72.63532.07693.75022.49591.09132.17701.77082.51312.51933.0798
H82.63532.07693.75022.49591.09132.17701.77082.51313.07982.5193
H94.49353.31185.47564.64902.14001.09142.51312.51311.77151.7715
H103.93812.60864.66304.47252.15961.09052.51933.07981.77151.7721
H113.93812.60864.66304.47252.15961.09053.07982.51931.77151.7721

picture of Nitric acid, ethyl ester state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 O2 C5 113.347 O2 N1 O3 112.733
O2 N1 O4 117.401 O2 C5 C6 105.377
O2 C5 H7 109.247 O2 C5 H8 109.247
O3 N1 O4 129.866 C5 C6 H9 109.251
C5 C6 H10 110.860 C5 C6 H11 110.860
C6 C5 H7 112.216 C6 C5 H8 112.216
H7 C5 H8 108.451 H9 C6 H10 108.563
H9 C6 H11 108.563 H10 C6 H11 108.684
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N 0.800      
2 O -0.331      
3 O -0.365      
4 O -0.372      
5 C -0.040      
6 C -0.419      
7 H 0.142      
8 H 0.142      
9 H 0.143      
10 H 0.151      
11 H 0.151      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -3.237 0.233 0.000 3.245
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.995 -0.156 0.000
y -0.156 -37.157 0.000
z 0.000 0.000 -32.869
Traceless
 xyz
x 0.018 -0.156 0.000
y -0.156 -3.225 0.000
z 0.000 0.000 3.207
Polar
3z2-r26.414
x2-y22.162
xy-0.156
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.379 -0.239 0.000
y -0.239 6.346 0.000
z 0.000 0.000 4.569


<r2> (average value of r2) Å2
<r2> 177.418
(<r2>)1/2 13.320