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 NH(CH3)CONH(CH3) (Urea, N,N'-dimethyl-)

using model chemistry: MP4/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at MP4/aug-cc-pVDZ
 hartrees
Energy at 0K-303.157578
Energy at 298.15K-303.167652
HF Energy-302.084186
Nuclear repulsion energy246.176963
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 MP4/6-31G*
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 3576 3494        
2 A 3189 3116        
3 A 3137 3065        
4 A 3053 2982        
5 A 1788 1747        
6 A 1560 1524        
7 A 1534 1499        
8 A 1504 1470        
9 A 1483 1449        
10 A 1217 1189        
11 A 1190 1162        
12 A 1156 1129        
13 A 930 908        
14 A 588 574        
15 A 460 449        
16 A 227 222        
17 A 198 193        
18 A 106 103        
19 B 3574 3492        
20 B 3189 3116        
21 B 3137 3065        
22 B 3052 2982        
23 B 1585 1548        
24 B 1548 1512        
25 B 1529 1494        
26 B 1486 1452        
27 B 1287 1257        
28 B 1174 1147        
29 B 1161 1134        
30 B 1062 1038        
31 B 755 738        
32 B 738 721        
33 B 511 499        
34 B 324 316        
35 B 126 123        
36 B 115 112        

Unscaled Zero Point Vibrational Energy (zpe) 26624.1 cm-1
Scaled (by 0.9769) Zero Point Vibrational Energy (zpe) 26009.1 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 MP4/aug-cc-pVDZ
ABC
0.31916 0.07182 0.06026

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4/aug-cc-pVDZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.083
O2 0.000 0.000 1.322
N3 0.000 1.171 -0.683
N4 0.000 -1.171 -0.683
C5 -0.270 2.427 0.031
C6 0.270 -2.427 0.031
H7 -0.467 1.077 -1.582
H8 0.467 -1.077 -1.582
H9 -0.154 3.262 -0.679
H10 0.154 -3.262 -0.679
H11 0.465 2.539 0.843
H12 -0.465 -2.539 0.843
H13 -1.284 2.454 0.475
H14 1.284 -2.454 0.475

Atom - Atom Distances (Å)
  C1 O2 N3 N4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
C11.23911.39901.39902.44272.44272.03702.03703.35313.35312.69032.69032.79712.7971
O21.23912.32152.32152.76222.76223.13213.13213.82973.82972.62482.62482.89622.8962
N31.39902.32152.34221.46993.67841.01752.46622.09644.43572.10074.03792.15254.0161
N41.39902.32152.34223.67841.46992.46621.01754.43572.09644.03792.10074.01612.1525
C52.44272.76221.46993.67844.88442.11263.92781.10225.74891.10055.03531.10655.1418
C62.44272.76223.67841.46994.88443.92782.11265.74891.10225.03531.10055.14181.1065
H72.03703.13211.01752.46622.11263.92782.34852.38444.47542.98034.35352.60604.4458
H82.03703.13212.46621.01753.92782.11262.34854.47542.38444.35352.98034.44582.6060
H93.35313.82972.09644.43571.10225.74892.38444.47546.53101.79486.00471.80556.0058
H103.35313.82974.43572.09645.74891.10224.47542.38446.53106.00471.79486.00581.8055
H112.69032.62482.10074.03791.10055.03532.98034.35351.79486.00475.16151.78895.0727
H122.69032.62484.03792.10075.03531.10054.35352.98036.00471.79485.16155.07271.7889
H132.79712.89622.15254.01611.10655.14182.60604.44581.80556.00581.78895.07275.5391
H142.79712.89624.01612.15255.14181.10654.44582.60606.00581.80555.07271.78895.5391

picture of Urea, N,N'-dimethyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 C5 116.716 C1 N3 H7 113.972
C1 N4 C6 116.716 C1 N4 H8 113.972
O2 C1 N3 123.167 O2 C1 N4 123.167
N3 C1 N4 113.667 N3 C5 H9 108.342
N3 C5 H11 108.772 N3 C5 H13 112.566
N4 C6 H10 108.342 N4 C6 H12 108.772
N4 C6 H14 112.566 C5 N3 H7 115.062
C6 N4 H8 115.062 H9 C5 H11 109.142
H9 C5 H13 109.666 H10 C6 H12 109.142
H10 C6 H14 109.666 H11 C5 H13 108.300
H12 C6 H14 108.300
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability