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All results from a given calculation for NH2COOC2H5 (Urethane)

using model chemistry: B3LYP/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B3LYP/TZVP
 hartrees
Energy at 0K-323.873896
Energy at 298.15K-323.882871
HF Energy-323.873896
Nuclear repulsion energy246.014744
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 B3LYP/TZVP
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 3719 3590 47.80      
2 A 3601 3476 30.79      
3 A 3126 3018 21.92      
4 A 3113 3006 20.58      
5 A 3048 2943 24.35      
6 A 3047 2941 14.76      
7 A 2997 2893 39.58      
8 A 1818 1755 571.34      
9 A 1631 1575 127.40      
10 A 1526 1473 1.97      
11 A 1504 1452 4.30      
12 A 1486 1434 6.85      
13 A 1433 1383 7.66      
14 A 1411 1362 19.11      
15 A 1324 1279 399.33      
16 A 1308 1263 3.63      
17 A 1179 1138 4.69      
18 A 1151 1111 16.29      
19 A 1095 1057 42.20      
20 A 1076 1039 132.47      
21 A 984 950 19.62      
22 A 854 825 13.02      
23 A 841 812 0.60      
24 A 763 737 22.91      
25 A 578 558 10.14      
26 A 553 534 4.17      
27 A 517 499 43.29      
28 A 379 366 1.25      
29 A 298 288 176.49      
30 A 258 249 2.05      
31 A 215 207 3.32      
32 A 94 91 1.70      
33 A 85 82 0.59      

Unscaled Zero Point Vibrational Energy (zpe) 23505.7 cm-1
Scaled (by 0.9654) Zero Point Vibrational Energy (zpe) 22692.4 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 B3LYP/TZVP
ABC
0.29467 0.07039 0.05813

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/TZVP

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.589 -0.105 -0.107
H2 -2.713 -1.181 0.001
H3 -3.361 0.402 0.472
H4 -2.702 0.161 -1.157
C5 -1.210 0.312 0.390
H6 -1.102 1.391 0.275
H7 -1.102 0.044 1.446
O8 -0.215 -0.394 -0.377
N9 1.554 1.133 -0.194
H10 1.076 1.813 0.390
H11 2.540 1.137 0.045
C12 1.078 -0.166 -0.060
O13 1.817 -1.099 0.195

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 O8 N9 H10 H11 C12 O13
C11.08841.09031.08971.52452.14442.15502.40674.32504.16645.27963.66844.5270
H21.08841.77501.77352.15363.04752.48612.64564.85744.84435.74143.92494.5343
H31.09031.77501.77432.15472.47412.48543.35435.01314.65625.96164.50695.3983
H41.08971.77351.77432.15522.47513.05772.66494.47064.40415.46593.95024.8827
C51.52452.15362.15472.15521.09111.09431.44072.94142.73453.85482.38003.3449
H62.14443.04752.47412.47511.09111.78482.09712.70862.22083.65742.69953.8374
H72.15502.48612.48543.05771.09431.78482.07423.30572.99794.05242.65793.3753
O82.40672.64563.35432.66491.44072.09712.07422.34412.66963.18021.35152.2260
N94.32504.85745.01314.47062.94142.70863.30572.34411.01571.01451.38952.2809
H104.16644.84434.65624.40412.73452.22082.99792.66961.01571.64902.02913.0112
H115.27965.74145.96165.46593.85483.65744.05243.18021.01451.64901.96082.3550
C123.66843.92494.50693.95022.38002.69952.65791.35151.38952.02911.96081.2173
O134.52704.53435.39834.88273.34493.83743.37532.22602.28093.01122.35501.2173

picture of Urethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C5 H6 109.014 C1 C5 H7 109.660
C1 C5 O8 108.486 H2 C1 H3 109.113
H2 C1 H4 109.021 H2 C1 C5 109.896
H3 C1 H4 108.964 H3 C1 C5 109.876
H4 C1 C5 109.947 C5 O8 C12 116.912
H6 C5 H7 109.511 H6 C5 O8 111.098
H7 C5 O8 109.051 O8 C12 N9 117.564
O8 C12 O13 120.034 N9 C12 O13 121.953
H10 N9 H11 108.628 H10 N9 C12 114.154
H11 N9 C12 108.289
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.332      
2 H 0.130      
3 H 0.112      
4 H 0.133      
5 C -0.121      
6 H 0.131      
7 H 0.108      
8 O -0.198      
9 N -0.424      
10 H 0.237      
11 H 0.251      
12 C 0.324      
13 O -0.352      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.560 4.631 -0.458 5.311
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -36.348 -6.248 0.808
y -6.248 -36.634 -1.123
z 0.808 -1.123 -36.746
Traceless
 xyz
x 0.342 -6.248 0.808
y -6.248 -0.087 -1.123
z 0.808 -1.123 -0.255
Polar
3z2-r2-0.510
x2-y20.286
xy-6.248
xz0.808
yz-1.123


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.321 0.364 -0.052
y 0.364 7.698 -0.038
z -0.052 -0.038 5.697


<r2> (average value of r2) Å2
<r2> 193.418
(<r2>)1/2 13.907